2.3 2.5 2.7 2.9 2.12 2.13 2.16 2.11 2.22 2.24 See page 2.3–2.17 See page 2.22–2.24 2.21 2.18 2.19 2.20 2.20 See page 2.18–2.21

3 Infrared Nonlinear Crystals Ultrathin Nonlinear Crystals ls Nonlinear Crysta Lithium Triborate – LBO Beta Barium Borate – BBO Potassium Dideuterium Phosphate – KDP, DKDP Potassium Titanyl Phosphate – KTP Potassium Titanyle Arsenate – KTA Lithium Iodate – LiIO Terahertz Crystals Organic Terahertz Crystals – DSTMS, DAST, OH1 Semiconductor Terahertz Crystals – GaSe, ZnTe Crystals 4 S 2 Crystals Crystals :PbGa 3+ Selection Guide Laser Crystals Nd:YAG Neodymium Doped Yttrium Aluminium Garnet – Yb:KGW, Yb:KYW Yb-Doped Potassium Gadolinium Tungstate – Nd:KGW Nd-Doped Potassium Gadolinium Tungstate – Titanium Doped Sapphire – Ti:Sapphire Lead Thiogallate with Dysprosium Ions Co-doped by Alkali Metals – Dy EKSMA OPTICS • Tel.: +370 5 272 99 00 • Fax: +370 5 272 92 99 • [email protected] • www.eksmaoptics.com Tel.: OPTICS • EKSMA

ystals Laser crystals Terahertz Crystals Raman crystals PositionerS & HolderS Crystal Ovens Nonlinear cr 2.1 Crystals forStimulatedRamancattering–KGW,Ba(NO Ramn Crystals Passive Q-switchingCrystals–Co Visit www.eksmaoptics.com fornew products andprices and CO10seriesOvens Precision ResistiveHeaterKitTC2 Oven forNonlinearCrystalsCH7 Oven forNonlinearCrystalsCH4 Oven forNonlinearCrystalsCH3 Temperature ControllerC1withOvenCO1 Crystal Ovens Crystals Positioning MountforNonlinearCrystalHousing840-0199 Kinematic PositioningMount840-0193 Positioning Mount840-0056-11 Ring HoldersforNonlinearCrystals830-0001 Positioners &Hold Select 2+ :MgAl 2 ion G O 4 , Cr 4+ uide :YAG 3 ) 2 2.30–2.34 2.25–2.26 See page See page 2.34 2.33 2.32 2.31 2.30 2.25 2.26 2.27–2.29 See page 2.29 2.28 2.28 2.27

2.2 Crystal Ovens PositionerS & HolderS Raman crystals Terahertz Crystals Laser crystals Nonlinear crystals 1.8 1.6 µm λ h, 2 2 2 1.4 40 mm × 1.2 Fundamental wavelengt z n 1.6055 1.6212 1.6430 1.0 – 0.0119) – 0.0185 λ – 0.0119) – 0.0122) – 0.0186 λ – 0.0114) – 0.0139 λ – 0.0114) 2 2 2 ype 2 ype 1 T T OPTICS offers ture up to 40 NCPM SHG temperature dependance of LBO 0.8 0

50 crystals length up to 50 mm and aper­ thin crystals down to 10 µm thickness ser- repolishing and mounting different vices accurate quality control attractive prices and fast delivery one month customer’s satisfaction term.

-50 250 200 150 100

emperature, ºC emperature, T y n 1.5905 1.6065 1.6275 EKSMA ● ● ● ar, BBAR, P-coating ● ● ● ● -1 -1 3 cm -6 90 5 1 O 3 = 2.4542 + 0.0113 / (λ = 2.4542 + 0.0113 = 2.5390 + 0.0128 / (λ = 2.5865 + 0.0131 / (λ 2 2 2 x y z x 60 155 – 3200 nm < 0.01 % cm 1.5785 1.5971 1.5656 n n n 554 – 2600 nm 790 – 2150 nm LiB orthorhombic, mm2 Negative biaxial Pna2 2.47 g/cm 6 ∂n = 10 n =90 deg YZ plane f 30 ype 2 Phase-matching angle, deg 0 1 2 2.5 1.5 0.5 0 sion of CW and ver­ Crystals 30 plane =90 deg XY q 60 ype 1T T properties 90 Phase-matching angle, deg SHG tuning curves of LBO

1 2

quasi-CW radia­tion. frequency doubling and tripling of high peak power pulsed Nd doped, Ti:Sapphire and Dye lasers optical parametric oscillators (OPO) of both Type 1 and Type 2 phase-match­ing non-critical phase-matching for frequency con­

Nonlinear Nonlinear Crystals 0.5 2.5 1.5

, µm , λ Fundamental wavelength Fundamental BO is well suited for various nonlinear nonlinear LBO is well suited for various optical appli­cations: ● ● ● rate Lithium Tribo ype 1 SHG ype 2 SHG T T ptical and O at 1064 nm at 532 nm at 355 nm ransparency region at “0” transmittance level Linear absorption coefficient at 1064 nm Phase matching range Density Mohs hardness T Refractive indices: Phase matching range Chemical formula Crystal structure Optical symmetry Space group Optical homogeneity Sellmeier equations (λ, µm) Physical LBO EKSMA OPTICS • Tel.: +370 5 272 99 00 • Fax: +370 5 272 92 99 • [email protected] • www.eksmaoptics.com Tel.: OPTICS • EKSMA broad Type 1 and Type 2 non-critical phase-matching (NCPM) range small walk-off angle high damage threshold wide acceptance angle high optical homogeneity wide transparency region ● ● ● ● ● ●

Nonlinear crystals Laser crystals Terahertz Crystals Raman crystals PositionerS & HolderS Crystal Ovens Nonlinear crystals 2.3 STANDARD CRYSTALS IST See page2.33 Oven CH7 Nonlinear Crystal See page2.30 Oven TC1 Crystal LBO crystalsforSHGof Related Products See page2.27 Crystals for Nonlinear Ring Holders Housing accessories NCPM SHGtemperaturedependence: NCPM SHGat1064nm Effective nonlinearity: Nonlinearity coefficients: Angular acceptance NCPM SHGat1319nm Thermal acceptance Walk-off angle LBO-406 LBO-405 LBO-404 LBO-403 LBO-402 LBO-401 LBO-407 LBO-408 Code YZ plane T T T XY ype 1range1300–1800nm ype 2range1100 –1500nm ype 1range950–1300nm www.eksmaoptics.com is availableat cut angleLBOcrystals non-standard sizeand Wide selectionof plane for specialOEMandlargevolumepricing. Size, mm 3x3x10 3x3x20 3x3x15 5x5x15 3x3x15 3x3x10 3x3x15 5x5x15 Please contactEKSMA OPTICS Visit www.eksmaoptics.com fornew products andprices

T T ype 1temperature ype 2temperature θ, deg 42.2 42.2 42.2 90 90 90 90 90 Yb:KGW/KW laserfrequencyconversion.

φ, deg Nonlinear 11.6 11.6 11.6 90 90 90 0 0 AR/AR @1064+532/355nm AR/AR @1064+532/355nm AR/AR @1064+532/355nm AR/AR @1064+532nm AR/AR @1064+532nm AR/AR @1064+532nm AR/AR @1064+532nm AR/AR @1064+532nm See page2.28 Mount 840-0056 Positioning crystals foggy after some time of exposition of crystal at ambient enviroment. LBO crystalisslightlyhygroscopicandpolishedfacescouldbecome of workingtemperaturealsoextendshygroscopiccrystalslifetime. (40–60 °C) for thermostabilisation of nonlinear crystal. CH7 ovenisdesignedtokeepthecrystalatelevatedtemperature p. 2.30). specifications, technical (see purpose this for designed specially is ing (NCPM)inLBOattype1SHGof1064nmapplication.TC1oven 149 °CtemperatureisrequiredtoachieveNon-CriticalPhaseMatch- Coating

d d T2 =878.1λ T3 =-21630.6λ T1 =-1893.3λ d 248 mrad×cm(T 6.5 mrad×cm(T 149 °C d 6.4 K×cm(T 4 mrad(T 43 °C oeo ooe 32 31 =(1.17±0.14)pm/V =(1.09±0.09)pm/V =d =d eoo 32 cosφ NCPM SHG@1064nm, T =149°C NCPM SHG@1064nm, T =149°C ype 1SHG1064nm) =d 4 ype 1SHG1064nm) – 6954.5λ Standard specifiati ons 31 Clear aperture Aperture tolerance Angle tolerance Perpendicularity Surface quality Parallelism Flatness 4 See page 5.30 See page cosθ + 8886.6λ ype 1SHG1064nm) 4 ype 1NCPMSHG1064nm) + 112251λ SHG @1064nm SHG @1064nm SHG @1064nm THG @1064nm THG @1064nm THG @1064nm Please contactEKSMA OPTICS or nonstandardspecifications. Application 3 + 20734.2λ 3 for furtherinformation – 13019.8λ 3 See page2.28 840-0193 Mount Positioning Kinematic – 220460λ 2 – 26378λ+12020 2 2 + 5401.5λ863.9 + 194153λ–64614.5 90% offullaperture ± 0.1mm arcmin < 30 arcmin < 5 (MIL-PRF-13830B) 10-5 scratch&dig < 20arcsec λ/8 at633 The elevation Price, EUR nm

405 325 765 325 245 245 325 765

2.4 Crystal Ovens PositionerS & HolderS Raman crystals Terahertz Crystals Laser crystals NoNonlineanlinearr ccrystalsrystals 2 2 45 (e-beam) (o-beam) 2 2 40 ype deg ype 22 mm T T × ngle, ga 35 – 0.0179) – 0.0155 λ – 0.0156) – 0.0044 λ 2 2 ) e e 1.5426 1.5555 1.5775 1.6139 1.6742 n 30 >n θ cos3φ o cosθ sin3φ 1 2 Phase-matchin 22 ype 1 SHG 1064 nm) ype cos T at 10 ns 22 at 1 ps 2 25 ype 1 SHG 1064 nm) ype 1 SHG 1064 nm) 2 -1 ffers OPTICS o -1 = d 3 cm sinθ – d 31 oee -6 4 OPO tuning curves of BBO at 355 nm pump 20 O 2 0 2 crystal aperture up to 22 crystal aperture up to 20 mm crystal length down to 5 µm thickness thin crystals for e/o BBO with gold electrodes applications ser- repolishing and mounting different vices accurate quality control delivery attractive prices and fast satisfaction one month customer’s term.

= d = d

1.2 0.8

1.6 0.4 2.4 = 2.7405 + 0.0184 / (λ = 2.3730 + 0.0128 / (λ

= ±(2.22±0.09) pm/V = ±(0.16±0.08) pm/V m µ , λ wavelength Fundamental 2 2 22 31 ooe eoe o o e EKSMA ● ● ● ● ar, BBAR, P-coating ● ● ● ● ● n R3c 3.85 g/cm BaB trigonal, 3m Negative Uniaxial (n 5 ∂n = 10 189 – 3500 nm < 0.1% cm n 410 – 3300 nm 530 – 3300 nm 55.9 mrad (T 1.2 mrad × cm (T 70 K × cm (T d d > 0.5 GW/cm d d n 1.6551 1.6750 1.7055 1.7571 1.8465 ~ 50 GW/cm 90 75 2 deg 1 60 properties ype T ype angle, T 1064 nm 00 45 ype 1 SHG ype 2 SHG T T TEM 0 Crystals Phase-matching ptical and O 15 at 532 nm at 355 nm at 266 nm at 213 nm at 1064 nm SHG tuning curve of BBO 03 1 2 0

harmonic generations (up to fifth) of (up to fifth) harmonic generations Nd doped lasers tripling of frequency doubling and ultrashort pulse Ti:Sapphire and Dye lasers (OPO) optical parametric oscillators Type 2 (eoe) at both Type 1(ooe) and phase-matching rgon ion and frequency doubling of A Copper vapour laser radiation Pockels cells electro-optic crystal for ultrashot pulse duration measurements by autocorrelation.

0.5 2.5 1.5

ransparency region at “0” transmittance level

m µ , λ wavelength Fundamental Sellmeier equations (λ, µm) Space group Density Phase matching range Thermal acceptance Chemical formula Crystal structure Optical symmetry Mohs hardness Optical homogeneity T Linear absorption coefficient at 1064 nm Refractive indices Phase matching range angle Walk-off Angular acceptance Nonlinearity coefficients Damage threshold for ffective nonlinearity expressions Effective Physical s a result of its excellent properties BBO its excellent properties As a result of different for advantages of number a has applications: ● ● ● ● ● ● Borate Barium Beta nm up to λ/8 at 633 < 20 arcsec 10-5 scratch & dig (MIL-PRF-13830B) < 5 arcmin < 30 arcmin ± 0.1 mm 90% of full aperture BBO EKSMA OPTICS • Tel.: +370 5 272 99 00 • Fax: +370 5 272 92 99 • [email protected] • www.eksmaoptics.com Tel.: OPTICS • EKSMA broad phase-matching range broad phase-matching large nonlinear coefficient high damage threshold wide thermal acceptance bandwidth high optical homogenity wide transparency region ● ● ● ● ● ● Flatness Parallelism Surface quality Perpendicularity Angle tolerance Aperture tolerance Clear aperture ons ndard specificati Sta BBO with gold electrodes for e/o applications

Nonlinear crystals Laser crystals Terahertz Crystals Raman crystals PositionerS & HolderS Crystal Ovens Nonlinear crystals 2.5 tures lowdispersion. for ultra­ at theedges.Pcoatingisrecommended values are R≈2% in the mid range, R<4% reflection Typical range. wavelength fied layers antireflection coating made at speci- P-protective coating.It‘sasingleortwo See page5.30 conversion of BBO crystalsforSHG See page5.23 of Thin BBOcrystalsforSHGand Related Products ring holder. provided mountedinto25.4mmdiameter ring holders.StandardBBOcrystalsare crystals, wehighly recommend open For safeandconvenienthandlingofBBO Yb:KGW/KW laserfrequency T i:Sapphire laserwavelength short pulses applications and fea- To orderunmountedBBOcrystals,pleaseremoveletterHfromcodeanddeduct50EURpriceforringholder. STANDARD CRYSTALS IST Catalogue number BBO-1004H BBO-1003H BBO-1002H BBO-1001H BBO-612H BBO-610H BBO-609H BBO-605H BBO-604H BBO-603H BBO-602H BBO-601H BBO-611H www.eksmaoptics.com is availableat cut angleBBOcrystals non-standard sizeand Wide selectionof THG

10×10×0.5 10×10×0.2 10×10×0.1 Size, mm 10×10×1 6×6×0.5 6×6×0.2 6×6×0.1 6×6×0.5 6×6×0.2 6×6×0.1 6×6×1 6×6×2 6×6×1

Visit www.eksmaoptics.com fornew products andprices

See page2.27 Nonlinear Crystals Ring Holdersfor Housing accessories Reflection, % 0 1 2 3 4 200 SHG@532 nmapplications(outputfaceP@266nm) Typical coatingforBBOTHG@800nmor θ, deg Nonlinear 29.2 29.2 29.2 29.2 44.3 44.3 44.3 44.3 29.2 29.2 29.2 29.2 29.2 250 W, 300 avelengt φ, deg 90 90 90 90 90 90 90 90 90 90 90 90 90 crystals h for specialOEMandlargevolumepricing. λ 350 nm Please contactEKSMA OPTICS P/P @400-800/266nm P/P @400-800/266nm P/P @400-800/266nm P/P @400-800/266nm P/P @400-800nm P/P @400-800nm P/P @400-800nm P/P @400-800nm P/P @400-800nm P/P @400-800nm P/P @400-800nm P/P @400-800nm P/P @400-800nm 400 Coating See page2.29 up to3mm. up to12x12mmandthichness Accepts crystalswithaperture for NonlinearCrystalHousing Positioning Mount840-0199 450

Reflection, % Reflection, % 1 0 2 3 4 5 0 1 2 3 4 application Typical P-coatingforBBOSHG@800nm application (inputfaceP@532nm) Typical coatingforBBOSHG@532nm 450 4005 SHG @800nm, SHG @800nm, SHG @800nm, SHG @800nm, SHG @800nm, SHG @800nm, SHG @800nm, SHG @800nm, SHG @800nm, THG @800nm, THG @800nm, THG @800nm, THG @800nm, 500 00 Application

550

6007 W, W, 600 avelengt avelengt 00 T T T T T T T T T T T T T ype 1 ype 1 ype 1 ype 1 ype 1 ype 1 ype 1 ype 1 ype 1 ype 1 ype 1 ype 1 ype 1 650 h h 8009 λ λ 700 nm nm Price, EUR 00 750 310 625 660 725 725 410 505 505 310 310 410 505 505 1000 800 11 850 00

2.6 Crystal Ovens PositionerS & HolderS Raman crystals Terahertz Crystals Laser crystals NoNonlineanlinearr ccrystalsrystals -5 -5 -2 -2 4 Actually PO 2 high 0.40 42 m 2.355 0.005 DKDP = 1.4931 = 1.4582 E 2.2409 2.1260 2.2470 0.7844 0.0097 0.0086 0.0156 0.0120 = 4.4×10 mm. = 1.9×10 = 2.1×10 0.2–2.0 = 1.9×10 KD o e 126.9205 123.4032 − 11 250 ps – 6 33 11 33 D 10 ns – 0.5 n n 2 k k a a + C 2 − 2 × sinθ × sin2φ B × sinθ × cos2φ 36 36 + -5 -5 -2 = d A = d 4 = ooe eoe 2 d PO d 2 n 400 400 high 0.04 0.43 KDP 42 m 2.332 = 1.4938 = 1.4599 = 4.4×10 = 2.5×10 = 1.9×10 KH 0.18–1.5 o e 1 ns – 10 2.259276 2.132668 13.00522 11 33 11 3.2279924 n n 10 ps – 100 0.01008956 15 ns – 14.4 k a a 0.008637494 0.012942625 0.012281043 o e o e o e o e o e n n n n n n n n n n of aperture up to Ø80 to up aperture of OPTICS EKSMA

at 1.06 µm -1 switched and mode- and Q‑switched energy pulse high of nm) 266 → nm 2

Properties (at 1.06 µm) -1 , pm/V (at 1.06 µm) 36 ons on applicati conversi Crystals 3 ptical and O ype 2 ype 1 B C E A D T T locked Nd:YAG lasers. KDP has lower absorption at UV wavelengths comparing to DKDP. Ti:Sapphire laser KDP thin crystals are used for second harmonic generation of shot autocorrelators. KDP pos- radiation or pulse duration measurement in single group smaller correspondingly and acceptance spectral larger times ~2.4 sesses SHG of 800 nm, what sometime is velocity mismatch comparing to BBO crystal for pulses. very critical parameter for femtosecond wide spectrum by supplied be can crystals KDP are used for second harmonic generation of high pulse energy low of high pulse energy second harmonic generation are used for DKDP crystals of angle Cut lasers. G Nd:YA mode-locked and Q-switched Hz) (<100 rate repetition matching and is 36.6° for Type 1 phase at room temperature crystal for operation 53.7° deg for Type 2 phase matching. generation of high pulse energy Q-switchedDKDP crystals are used for third harmonic generation. Cut angle of crystal mode-locked Nd:YAG lasers via sum frequency and is 59.3° for Type 2 phase matching. for operation at room temperature generation (532 nm → 266 nm) of high pulse energy Q-switched and mode-locked condi- NCPM match to temperature °C ~50 at heated be must Crystal lasers. Nd:YAG tions. (532 generation harmonic KDP remains the only solution for harmonic generation of very high intensity femto- intensity high very of generation harmonic for solution only the remains KDP peak power pulses in second Ti:Sapphire lasers featuring sub-tera Watt or tera Watt large >30 mm diameter beams. ransmission range, µm Chemical formula Hygroscopicity g/cm Density,

Laser damage threshold, GW/cm hermal conductivity, W/cm×K Thermal conductivity, Measured refractive index (at 1.06 µm) Crystals Symmetry Thermal expansion coefficients, K T Residual absorption, cm Sellmeier coeff., λ – wavelength in µm λ – wavelength Sellmeier coeff., Effective nonlinear coefficient Effective Nonlinear coeff. d Nonlinear coeff. ● ● Physical y y Frequenc ● ● harmonic fourth for ● used are θ=90° angle cut non-critical with DKDP crystals type 1 ● type 1 KDP crystals with close to non-critical cut angle θ=76.5° are used for fourth m Phosphate m Dideuteriu Potassiu

2 EKSMA OPTICS • Tel.: +370 5 272 99 00 • Fax: +370 5 272 92 99 • [email protected] • www.eksmaoptics.com Tel.: OPTICS • EKSMA DKDP KDP • at 1064 nm, 10 ns pulses. deuterated D>96% electro-optic crystal – DKDP for Q-switching application; optic DKDP crystals for Q-switching are cylinders dia 9×20 mm and dia 12×24 mm however manufacturing of custom size and rectangular shape crystals is available; Gold evaporated or silver paste electrodes are available; Dielectric thin film AR coatings for specified laser wavelengths are available; 3.4 kV at 1064 nm; crossed polarizers better than 1:2000; Damage threshold of AR coated DKDP surface >5 J/cm harmonic generation for high pulse harmonic generation for Hz) rate energy, low repetition (<100 lasers; Q-switching crystal for Pockels cells. Electro-Optical/Q-switching on applicati ● eKSMA OPTICS offers highly ● standard dimensions of electro- ● ● ● typical quarter wave voltage ● typical contrast ratio between ● ons Applicati ● – laser frequency conversion ● electro-optical modulation; ●

Nonlinear crystals Laser crystals Terahertz Crystals Raman crystals PositionerS & HolderS Crystal Ovens Nonlinear crystals 2.7 STANDARD CRYSTALS IST Phase matching a ngles and bndwidthsforSHG1064nm Standard specifiati ons Clear aperture Aperture tolerance Angle tolerance Perpendicularity Surface quality Parallelism Cut angleθ,deg Acceptances forcrystalof1cmlength(FWHM): Flatness Walk off, mrad T Crystal ype ofphasematching DKDP-401 DKDP-402 DKDP-403 DKDP-404 DKDP-405 DKDP-406 KDP-401 KDP-402 ∆λ spectral,nm ∆Τ thermal,K ∆θ (angular),mrad Code 15x15x13 15x15x13 12x12x20 12x12x20 15x15x20 15x15x20 Size, mm 12x12x5 15x15x7 Visit www.eksmaoptics.com fornew products andprices Oven CH3 Nonlinear Crystal Related Products See page2.32 Oven CH4 Nonlinear Crystal See page2.31 90% offullaperture ± 0.1mm arcmin < 30 arcmin < 5 (MIL-PRF-13830B) 20-10 scratch&dig < 20arcsec λ/6 at633 www.eksmaoptics.com is availableat cut angleDKDP crystals non-standard sizeand Wide selectionof θ, deg 36.5 53.5 59.3 53.5 53.5 59.3 76.5 76.5 Nonlinear nm T ype 1ooe φ, deg 41.2 45 45 45 1.1 21 10 28 0 0 0 0 0

AR/AR @1064/1064+532nm AR/AR @1064/1064+532nm KDP AR/AR @1064+532/355nm AR/AR @1064+532/355nm crystals

AR/AR @1064+532nm AR/AR @1064+532nm AR/ @532/266nm AR/ @532/266nm T ype 2eoe 59.1 11.8 4.5 2.2 25 Coating ADP, DADP, RDP, CDA andDCDA crystals T ype 1ooe are availableuponrequest! 36.6 32.5 6.6 1.2 25 efficiency. it thermostable.ThishelpstostabiliseSHG lows toextendcrystallifetimeandkeep raised workingtemperature(40-60°C)al- hygroscopic crystalsfrommoisture.The scopic. CH3 and CH4 ovens help to protect DKDP andKDPcrystalsarehighlyhygro- DKDP SHG @1064nm, SHG @1064nm, THG @1064nm, T SHG @1064nm SHG @1064nm THG @1064nm SHG @532nm SHG @532nm ype 2eoe Application 29.4 53.7 4.2 2.3 25 large volumepricing. for specialOEMand EKSMA OPTICS T T T Please contact ype 2 ype 1 ype 2 Price, EUR

485 485 475 475 579 579 405 480

2.8 Crystal Ovens PositionerS & HolderS Raman crystals Terahertz Crystals Laser crystals NoNonlineanlinearr ccrystalsrystals 0 90 3.5 1.10 09 80 1.08 08 3.0 g 07 70 1.06 .5 06 60 1.04 05 2.02 Pump 532 nm Pump 532 nm 04 50 1.02 Phase-matching angle, deg Phase-matching angle, de 03 Fundamental wavelength, µm Fundamental wavelength, µm 1.5 40 1.00 02 uarantees OPTICS g Fig. 3. OPO tuning curve in x-y plane Fig. 4. OPO tuning curve in x-z plane Fig. 1. Type 2 SHG in x-y plane Fig. 2. Type 2 SHG in x-z plane 01 30 1.0 0 0.98

90 80 70 60 50 90 80 70 60 50 40 30 20 10

One month customer’s satisfaction customer’s satisfaction One month term to Conformity of crystal specifications highest standards Fast delivery. 4.0 3.0 2.0 1.0 0.0

1.1 1.3 1.2 0.9 1.0

g Phase-matching angle, de angle, Phase-matching

velength, µm velength, Wa g Phase-matching angle, de angle, Phase-matching velength, µm velength, Wa EKSMA ● control accurate quality ● ● ● attractive prices ●

or or A hate Phosp ponds to

geneity are essen- guration ­guration when a single length noncritical phase- noncritical length Crystals ffers OPTICS o quency conversion of short pulses. Crystal size up to 10×10×20 mm Crystal size and BBAR coatings and housings Free technical consulting. s a lasing material for OPG, OP OPG, for material a lasing s OPTICS to produce KTP crystals suitable for intracavity SHG application. Fig. 1 represents Type 2 SHG tuning curve of KTP in x-y plane. In x-y plane the slope ∂(∆k)/∂θ is small. This ­ corres EKSMA ● ● dualband AR singleband and ● mounts standard and customised ● standard crystal mostly used in KTP is a extracavity confi is required. pass through the crystal for SHG in- KTP crystals are optimised tracavity configuration in low peak power CW lasers. Due to the large number of passes through the crystal, low insertion losses and high homo­ tial for conversion efficiency. The special highest quality material selected by SHG efficiency mapping of each crystal, fine surface polishing and dual band AR coat- ings with very low losses allow EKSMA phase-matching, noncritical quasi-angular of advantage double the ensures which small a and angle acceptance large a walk off. Otherwise in x-z plane the slope in wavelengths for zero almost is ∂(∆k)/∂λ correspondsthis and µm 1.5–2.5 range the quasi-wave­ to matching, which ensures a large spectral acceptance (see Fig. 2). Wavelength non- critical phase-matching is highly desirable for fre­ A 600 nm). Fig. 3 and Fig. 4 show the phase- matching angles for OPO/OPA pumped at 532 nm in x-y and x-z plane respectively. OPO, KTP can most usefully be pumped by Nd lasers and their second harmonic or any other source with intermediate wavelength, such as a dye laser (near l ny m Tita Potassiu

Please contact EKSMA OPTICS OPTICS Please contact EKSMA - for special OEM and large volume pricing. tances ) is a nonlinear optical ) is a nonlinear optical KTP EKSMA OPTICS • Tel.: +370 5 272 99 00 • Fax: +370 5 272 92 99 • [email protected] • www.eksmaoptics.com Tel.: OPTICS • EKSMA 4 near coefficient, wide near coefficient, wide near, electrooptical and acousto­ near, electrooptical and li­ KTP (KTiOPO crystal, which possesses excellent excellent crystal, which possesses non­ combination combination optical properties. A of high nonli­ and broad an- transparency range, gular as well as thermal accep­ makes KTP very attractive for dif- wave­ and optical nonlinear ferent quide applications.

Nonlinear crystals Laser crystals Terahertz Crystals Raman crystals PositionerS & HolderS Crystal Ovens Nonlinear crystals 2.9 Standard specifiations Clear aperture Aperture tolerance Angle tolerance Perpendicularity Surface quality Parallelism Flatness See page2.33 Oven CH7 Nonlinear Crystal See page2.30 Oven TC1 Crystal Related Products STANDARD CRYSTA LS IST 90% offullaperture ± 0.1mm arcmin < 30 arcmin < 5 (MIL-PRF-13830B) 10-5 scratch&dig < 20arcsec λ/8 at633 KTP-404 KTP-403 KTP-402 KTP-401 Code nm Size, mm 3x3x10 7x7x9 4x4x6 3x3x5 Visit www.eksmaoptics.com fornew products andprices Physical Nonlinear properties Optical Effective nonlinearity Up to80%extracavitySHGefficiency For Type 2,SHG@1064nm,cutangleθ=90°,φ=23.5° Damage threshold Phase matchingrangefor: Wavelength dispersionofrefractiveindices T Thermal conductivity, Density, g/cm Lattice constants,Å Space group Point group Crystal structure Not hygroscopic T Melting point,°C Thermooptic coefficientsin0.4–1.0µmrange Refractive indices Thermal expansioncoefficients,°C Mohs hardness ransparency ransition temperature,°C x-z plane x-y plane Spectral acceptance Thermal acceptance Angular acceptances Walk-off T T ype 2SHGinx-zplane ype 2SHGinx-yplane Nonlinear properties 90 90 90 90 θ properties 3

W/cm°C 23.5 23.5 23.5 23.5 crystals See page2.29 Crystal Housing 840-0199 forNonlinear Positioning Mount See page2.27 Nonlinear Crystals Ring Holdersfor φ -1 AR/AR @1064+532nm AR/AR @1064+532nm AR/AR @1064+532nm AR/AR @1064+532nm Coating n a =6.404,b10.616,c12.814,z8 Pna2 mm2 orthorhombic 13 1172 n ∂n ∂n a 3.01 n n n ∂n n at 1064nm 350–4400 nm 936 5 d d d 1.1÷3.4 µm d ∆ν =0.56nm×cm ∆T =22K×cm ∆φ =10mrad×cm ∆θ =55mrad×cm 4 mrad 0.99÷1.08 µm >500 MW/cm for pulsesλ=1064nm,τ=10ns,10Hz,TEM y x z y x x z 33 31 oeo eoe 2 2 2 z y x = 1.8296 = 1.7479 = 1.7404 = 11×10

= ±15.3pm/Vd = ±1.95pm/Vd = = = /∂T =1.6×10 /∂T =1.3×10 /∂T =1.1×10 = = 3.0319 3.0067 3.3134 d d 1 eoo oee = = -6 d d , a + + + 24 15 2 0.04152 0.0395 0.05694 sinθ sin

y

SHG @1064nm SHG @1064nm SHG @1064nm SHG @1064nm = 9×10 -5 -5 -5 2 (K) (K) (K) φ Application + -1 -1 -1 d / 24 32 (λ / / 24 = d =± 3.9pm/V -6 (λ (λ 2 , a cos

– 2 2

32 – – 0.04251) z

2 0.04586) 0.05941) = 0.6×10 φ d 15 at 532nm n n n = d z y x = 1.8877 = 1.7897 = 1.7797 – 31 -6 – – 0.01247×λ 0.01337×λ 0.016713×λ Price, EUR 529 109 118 76 00 2 2 2 2.10 Crystal Ovens PositionerS & HolderS Raman crystals Terahertz Crystals Laser crystals NoNonlineanlinearr ccrystalsrystals 00 2 2 2 λ λ λ

× × ×

0.01025 0.01096 0.01436

– – –

= 11.5 pm/V = 11.5 13 0.196922) 0.218442) 0.227192)

=15.5 pm/V – – – 33 2 2 2 φ 2 (λ (λ (λ

/ / / 2 2 2 cos λ λ λ

24 × × ×

ffers: OPTICS o = 2.3 pm/V φ + d = 15.4 pm/V, r = 15.4 pm/V, 2 15 =2.1 =3.66 pm/V, d =3.66 pm/V, 23 3 crystals size up to 15×15×30 mm KTA crystals size and coatings for VIS-IR AR and BBAR mid IR ranges housings 32 sin sinθ 1.23522 1.00099 1.29559

for pulses λ=1064 nm, τ=10 ns, 10 Hz, TEM for pulses λ=1064 nm, τ=10 ns, 10 Hz, 15 24 + + + 2

EKSMA ● ● ● mounts and standard and customized ● technical consulting nm = d = d =1.9, k 2 oee eoo 1.90713 2.15912 2.14768

= d = d = = = =2.3 pm/V, d =2.3 pm/V, d = 3.64 pm/V, = 37.5 pm/V, r = 37.5 pm/V, 2 2 2 =1.8, k ± 0.2° x y z eoe oeo 31 24 1 33 λ/8 at 633 < 20 arcsec 10-5 scratch & dig (MIL-PRF-13830B) < 15 arcmin < ± 0.1 mm > 90% central area less than λ/8 @ 633 nm 350 – 5300 nm n d d 3.45 1130 5 k n n >500 MW/cm r orthorhombic mm2 Pna21 a = 13.125, b = 6.5716, c = 10.786 d d le Arsenate ny Tita Crystals 3 x-y plane x-z plane generation – IR generation OPO for mid up to 4 µm Generation in mid IR range Q-switching ransparency ransmitting wavefront distortion Wavelength dispersion Wavelength of refractive indices ffective nonlinearity Effective Not hygroscopic Melting point, °C Mohs hardness W/m×K Thermal conductivity, Damage threshold T Electro optical constants Crystal structure Flatness Point group Space group Lattice constants, Å g/cm Density, Parallelism Surface quality Perpendicularity Angle tolerance Clear aperture T Aperture tolerance ROPERTIES P NONLINEAR & OPTICAL L PROPERTIES PHYSICAL ons pplicati a Primary ● ● Frequency sum and Difference ● and electro-optical modulation ons specificati m Potassiu

), 4 KTA EKSMA OPTICS • Tel.: +370 5 272 99 00 • Fax: +370 5 272 92 99 • [email protected] • www.eksmaoptics.com Tel.: OPTICS • EKSMA AsO arsenate (KTiO Potassium titanyle , is a nonlinear optical crystal for or KTA, is a nonlinear (OPO) Oscillation Parametric Optical optical It has good nonlinear application. - signifi e.g. properties, electro-optical and cantly reduced absorption in band range of tempera- and angular broad µm, 2.0-5.0 constants. ture bandwidth, low dielectric

Nonlinear crystals Laser crystals Terahertz Crystals Raman crystals PositionerS & HolderS Crystal Ovens Nonlinear crystals 2.11 themassproductionofLiIO ● EKSMA thinLiIO ● ● Applications ● ● ar,BBARandP-coatingsaccordingtocustomer’schoice ● recoatingandrepolishingservice ● standardopenringholders ● ● attractivediscountsforOEMcustomers ● Harmonic generators other lasers. BBAR coatingsforwavelengthtunedTi:Sapphireand P-coatings optimisedatpumpwavelengths are available Different shapes(slabs,cylinders,Brewsterends) OPTICSoffers: 3 forautocorrelationmeasurements LiIO 3 3 crystals Visit www.eksmaoptics.com fornew products andprices Lithium Iodate Physical specifiations See page2.27 Nonlinear Crystals Ring Holdersfor Housing accessories Nonlinear opticalcoefficientd Refractive indices Absorption at1064nm,cm T Mohs hardness Damage threshold,MW/cm Walk-off for Effective nonlinearity Clear aperture Angle tolerance(∆θ&∆φ) Perpendicularity Surface quality Parallelism Flatness Density, g/cm Point group Crystal structure Acceptances for Phase matchingrangefor Wavelength dispersionofrefractiveindices(λ –inµm) ransparency range,nm Nonlinear n T 2 o and Opticl ype 1SHGat1064 3 = 2.083648 T ype 1SHGat1064 at 1064nm at 532nm at 800nm Spectral, cm Angular, mrad×cm + crystals 1.332068 T 2 -1 2 ype 1SHG,nm − Theta, deg 0.035306 15 30 40 50 60 70 90% offullaperture arcmin < 30 arcmin < 5 (MIL-PRF-13830B) 20-10 scratch&dig < 30arcsec λ/6 at633 , pm/V properties LiIO nm, mrad -1 2 3 ×cm 600 Secondharmonicgenerationphasematching nm − LiIO 0.008525 nm See page2.29 Crystal Housing 840-0199 forNonlinear Positioning Mount 3 T ype 700 1 2 Wa 800 n 74.30 n n 4.487 280–4000 3.5–4.0 > 100for < 0.05 12.74 2.2 (at1064nm) d 6 hexagonal 0.77 570–4000 n velength, SHG@800, q ooe o o o 2 e =42.55 = 1.8982,n = 1.8676,n = 1.8571,n = = d 1.673463 15 nm deg sinθ TEM 900 + e e e 00 = 1.7480 = 1.7245 = 1.7165 1.245229 2 s 10 Hz 10 ns, 1064 nm, , − 0.028224 1000 2 T=293K − q SHG@1064, =30 0.003641 deg 11 00 2 2.12 Crystal Ovens PositionerS & HolderS Raman crystals Terahertz Crystals Laser crystals NoNonlineanlinearr ccrystalsrystals

-1 2400 18000 10000 µm when µm when 8000 14000 2000 crystal near 2 µm 2 m nm nm ,n Application 6000 10000 [email protected] → 3.5-5 µm [email protected] → 3.5-5 µm [email protected] → 3.5-5 µm avelength, at pump wavelengths pump at velength, avelength W -1 W Wa 1600 4000 6000 crystal laser has been demonstrated. 2 2 crystal for OPO @ 2.1 µm 2 2000 2000 Absorption spectra of ZnGeP Transmission spectra of 25 mm long AR coated AgGaSe 1200 Transmission spectra of 15 mm long AR coated ZnGeP 0

0

0.2

0.8 1.0 0.6 0.4 80 60 40 20 0

cm Absorption, 100 80 60 40 20

% , ransmission T

% ansmission, 100 Tr -1 2.5–12 µm has been obtained when pump- µm has been obtained 2.5–12 asas well at 2.05 µm; Ho:YLF laser by ing NCPM operation from 1.9–5.5 pumping at 1.4–1.55 µm. Efficient SHG of pulsed CO at 2.5 - 8.2 µm range. 2.05 - 2.1 µm „o“- polarisation are availablepolarisation µm „o“- - 2.1 2.05 for OPO applications. cm <0.03 is coefficient absorption Typical Crystals with high damage threshold BBAR threshold damage high with Crystals absorption coef- coatings and the lowest cm 0.05 < α ficient Coating 90 2 and and 2 18000 pump pump m 80 µm AR @ 2.1 µm + BBAR @ 3.5-5 µm AR @ 2.1 µm + BBAR @ 3.5-5 µm AR @ 2.1 µm + BBAR @ 3.5-5 µm deg 2.1µ 2.79 uning fromTuning 14000 ype1SHG OPO OPO T and CO laser and CO laser nm 70 2 Matching, 0 0 0 range via harmonics φ, deg 10000 velength, Phase f 60 Wa rbium and laser wave- laser and Erbium 54 54 54 Crystals θ, deg θ, Angleo 6000 crystal 2 50 has band edges at 0.73 and and 0.73 at edges band has 2 2 (ZGP) crystal has transmission transmission has crystal (ZGP) 2 2000 Transmission spectra of 18 mm long uncoated AgGaSe Type 1 OPO and SHG tuning curves in ZnGeP hulium and hulium µm. Its useful transmission range of µm. Its useful transmission range of 40 0 chemical DF-laser; efficient down conversion of Holmium, T generation and mixing processes; generation and mixing efficient SHG of pulsed CO, CO radiation to near IR lengths to mid infrared wavelength wavelength infrared mid to lengths ranges by OPO process. up-conversion of CO

2 4 6 8 7×5×15 7×5×20 7×5×25 80 60 40 20

12 10 µm velength, Wa % , ransmission Size, mm T

• • ZnGeP ZnGeP AgGaSe band edges at 0.74 and 12 µm. However band edges at 0.74 and range is from 1.9 it‘s useful transmission to 10.2 µm. ZGP to 8.6 µm and from 9.6 nonlinear optical crystal has the largest coefficient and relatively high laser dam- age threshold. The crystal is successfully used in diverse applications: • 18 0.9–16 µm and wide phase matching ca- pability provide excellent potential for OPO applications when pumped by a variety lasers. available currently of ls crysta d nonlinear Infrare 90 lS for OPO at 3.5-5 µm range pumped at ~2.1 µm crysta , 2 2 2 pe­ rity, rity, pump pump 80 µm cessed µm nea­ tion con- deg 1.55 2.1 ZGP-401 ZGP-402 ZGP-403 pe1SHG 70 OPO OPO Ty Catalogue number Matching, Type 1 ZnGeP nically pro­ nically • GaSe , GaSe have gained 50 hase 2 2 fP • AgGaSe EKSMA OPTICS • Tel.: +370 5 272 99 00 • Fax: +370 5 272 92 99 • [email protected] • www.eksmaoptics.com Tel.: OPTICS • EKSMA 2 50 Angleo 2 , AgGaS 2 2 AgGaS 40 Type 1 OPO and SHG tuning curves in AgGaSe 35 ZnGeP 1

6 3 9

12 18 15 Optical nonlinear crystals ZnGeP tremendous interest for middle and tremendous interest for middle and deep infrared applications due to their unique features. The crystals have large effective optical nonli­ wide spectral and angular accep­ tances, broad transparency range, ­ tem for requirements non-critical ­ mecha well are trol, rature stabilization and vibra­ AgGaSe (except GaSe).

m µ , velength Wa AgGaSe

Nonlinear crystals Laser crystals Terahertz Crystals Raman crystals PositionerS & HolderS Crystal Ovens Nonlinear crystals 2.13 measure systems,andSHGofCO 3–12 Nd: experiments using diode, T numerous difference frequency mixing in OPOspumpedbyNd:YAGlaser; pulsed CO,CO ference frequency mixing of Neodym range; infraredpulsesgene­ ­ trans infrared crystals, its high short wavelength the lowestamongabovementioned is coefficient optical nonlinear Although efficient SHG of CO SHG efficient GaSe hasbeensuccessfullyusedfor GaSe hasbandedgesat0.65and18 GaSe AgGaS AgGaS Transmission, % CO and CO of conversion up radiation; 2.36 µm) = (λ 60 10 20 30 40 50 0 GaSe crystal Transmission spectraof17mmlonguncoated See page2.27 Crystals for Nonlinear Ring Holders Related Products YAG and I 2000 pa µm range;directinfraredcounter­ 2 rency edging at550 edging ­rency istransparentfrom0.53to12 2 2 laser radiation into the visible 6000 2 R dye lasers covering andchemicalDF-laser W Crystals aremountedintoopenringholders(seepage2.27). LIST OFSTANDARD avelength, AGS-402H AGS-401H 10000 2 Code laser,forSHGof nm ration viadif- 14000

nm is used is nm i: S Size, mm apphire, 6×6×2 5×5×1 2 laser. 18000 ium µm. µm. µm.

AgGaS Visit www.eksmaoptics.com fornew products andprices θ, deg 50 39 (001) plane)limitingareasofapplications. because of material structure (cleave along crystals for certain phasematching angles 100–1600 µm; efficientTera­ pulses; OPGlightgenerationwithin3.5–18 and infrareddyelaseror(F-)-centre

Wavelength, µm Transmission, % 100 18 15 10 20 40 60 80 5 1 0 0 2 and uncoatedAgGaS Transmission spectraof14mmlongARcoated pumped byNd:YAGlaser Type 1and2SHGtuningcurvesinGaSe CRYSTALS φ, deg 2000 45 Nonlinear 0 µm range. It is impossible to cut 20 4000 Angleo BBAR/BBAR @1.1-2.6/2.6-11 μm BBAR/BBAR @1.1-2.6/2.6-11 μm Wa 6000 f Phase velength,n 40 Hertz generationin 2 crystalusedforOPO crystals GaSe, Z-Cut Matching, Catalogue number 8000 Coating Ty Ty m pe2SHG pe1SHG GaSe-1000 60 GaSe-100 GaSe-30 10000 deg uncoated AR coated 80 12000 90 OPO @1.2-2.4μm->2.4-11 μm OPO @1.2-2.4μm->2.4-11 μm Clear aperture,mm Wavelength, µm 12 6 9 3 1 Type 1OPOandSHGtuningcurvesinAgGaS 20 on Xa crystal Ø7 Ø7 Ø7 xis Application mark into specialringholder Cleaved GaSecrystalglued Incident holder X Angle 40 beam of PhaseM Z θ ext atching,d 60 Thickness, µm k T OPO ype1SHG 1000 100 o e 30 eg Price, EUR 1.06 polarization polarization ϕ 770 695 µm 80 pump 2 2.14 Crystal Ovens PositionerS & HolderS Raman crystals Terahertz Crystals Laser crystals NoNonlineanlinearr ccrystalsrystals ) 2 ) λ 2 λ – E ) 2 λ 14 63 28 3.4 9.3 150 9.0 / ( 8.25 GaSe 1233 2 GaSe 0.05 0.05 62m 0.05 0.25 0.05 0.05 5.03 λ 3.742 GaSe GaSe 15.918 2.8340 2.4599 2.9082 2.5676 2.8158 2.4392 0.65–18 + E/(1 – F/ 2 6 Hexagonal λ ) + D / (1 – E / 2 λ + D/λ 4 – C) + D 2 λ – C) – D 2 Expression / ( λ 2 + C/λ 2 2 λ 2 λ 67 31 20 10 2 2 0.85 1.06 998 12.5 -13.2 AgGaS AgGaS = A + B/ A = = A + B A = = A + B / ( A = = A + B / (1 – C / A =

2 2 2 2 0.6 42m 0.02 0.01 0.01 <0.6 4.56 n n n n 5.757 <0.09 10.305 2.3954 2.3421 2.4508 2.3966 2.3466 2.2924 0.53–12 etragonal AgGaS AgGaS T 2 – – – – – – F 2

1780 2194 (d) (c) (d) (c) 55 43 50 25 0.67 2.05 851 -6.4 23.4 18.0 -16.0 AgGaSe 2 2 AgGaSe — — — – – E 42m 5.71 <0.02 <0.01 <0.01 1.855 950.0 2.6140 2.5823 2.7005 2.6759 2.5915 2.5585 5.9901 611.05 3.1485 452.05 1030.7 0.73–18 10.8823 etragonal AgGaSe AgGaSe T 2 2 (a) (a) (b) (b) D 76 60 111 100 0.57 10.6 0.1223 0.0061 1.2880 2.1640 2.3391 9.1 Crystals 1298 0.84052 0.00125 0.00126 17.5 1.59 8.08 ZnGeP ZnGeP 2 2 C 3.0 0.8 0.4 42m 0.03 0.02 0.02 5.465 4.175 3.1119 3.1141 3.1524 3.2324 3.2786 3.0725 10.771 0.0186 ZnGeP ZnGeP 0.74–12 etragonal -0.2288 0.09311 0.11066 0.40824 0.41468 0.15840 0.21220 T     B µm, deg 0.405 0.3879 1.8649 0.4297 0.4598 2.3982 1.9533 1.68625 e o e o e o n n n n n n /°K -6 A 5.76 7.443 8.0409 8.0929 6.8507 6.6792 3.3970 3.5873 a c at ype 1 SHG at 10.6 -1 T µm, deg o e o e o e o e n n n n n n n n EKSMA OPTICS • Tel.: +370 5 272 99 00 • Fax: +370 5 272 92 99 • [email protected] • www.eksmaoptics.com Tel.: OPTICS • EKSMA 3 erties Prop 2 at wavelength, µm at pulse duration, ns 1.06 µm µm 11.0 10.0 µm 2.5 µm 1.06 µm 10.6 µm 5.3 µm 5.0 µm 7.5 µm 2 2 Walk-off angle at 5.3 Walk-off Phase matching angle for Nonlinearity, pm/V Nonlinearity, Thermal Expansion Coefficient, 10 Melting point, °C Crystal Symmetry Point Group Optical transmission, µm Laser damage threshold, MW/cm² Crystal Crystal Crystal Crystal Crystal attice Constants, Å Lattice Constants, g/cm Density, AgGaS ZnGeP Indices of Refraction at Absorption Coefficient, cm AgGaSe GaSe on of indices of refraction ons for calculati Sellmeier equati a) at 293–573 K, b) at 573–873 K, c) at 298–423 K, d) at 423–873 K a) at 293–573 K, b) at 573–873 K, c) at 298–423 K, d) at 423–873 ERTIES PROP THERMAL L PROPERTIES NONLINEAR OPTICAL L PROPERTIES OPTICAL cal Physi

Nonlinear crystals Laser crystals Terahertz Crystals Raman crystals PositionerS & HolderS Crystal Ovens Nonlinear crystals 2.15 BBO pulse afterpassing1mmthicknessBBOcrystal. Gaussian pulseat400nmwillbebroadenedto35 fsec We maycalculatethatspectrumlimitedinitial30 fsec 800 nm(o-pol)and400(e-pol)pulses SHG @800nmorientationcrystalsfor Table 1.Dparameterfor T BBO Crystal LiIO KDP LBO LiIO 3 Table 3.QuasistaticinteractionlengthforT Table 2.GroupvelocitymismatchbetweenshortestandlongestwavepulseT for LiIO KDP LBO BBO Crystal BBO Crystal LiIO3 AgGaS LBO KDP 3 3

• AgGaS 2 196 fsec D at800nm 75 fsec 27 fsec 47 fsec • LBOKDP 2 2 2 2 /mm /mm /mm /mm 800+266 nm 2074fs/mm SFM 2.6 mm 1.6 mm 1.0 mm 0.4 mm 2 200 fs ype 1 – – – –

• GaSe 107 fsec 128 fsec 196 fsec 589 fsec D at400nm 2 2 2 2 /mm /mm /mm /mm 800+400 nm 737 fs/mm 370 fs/mm 448 fs/mm 0.18 mm SFM 1.3 mm 0.8 mm 0.5 mm 100 fs – – Visit www.eksmaoptics.com fornew products andprices Optimal BBO, tions fordifferentcrystalsinTable2. popular Type1phasematchingapplica- calculations arepresented for the most and where GVM is the group velocity mismatch desired pulseduration). longer than fundamental pulse duration (or harmonic pulsebroadeningtotheduration crystal willbeusedthiscausesecond perature (20 and phasematchinganglesatroomtem- coefficients effective Also in theTable3. fundamental pulse duration are presented for Type1SHGof800nmatdifferent GVM by limited are which thicknesses to thedesiredpulseduration): equal totheoneofpulsesduration(or tance overwhichtheyseparatebyapath interaction length(L different group velocities their quasistatic propagatingpulseswith For twocollinearly generation schemes. frequency in thickness crystal nonlinear Unfortunately thoseeffectsforcestolimit and afrequencychirp. because of Group Delay Dispersion (GDD) broadening duration a (GVM), Mismatch of the pulses because of Group Velocities pulses through the crystal results in a delay The propagationofaultrashortoptical Ul z frequencygeneration(inGaSecrystal) ● TH ● ● ● armonic generation(SHG,SFG) ● H Thin crystalsareusedindifferentapplicationswithfemtosecondpulses: ype 1SHGof800nm Pulse widthmeasurementsbyautoandcrosscorrelation Difference frequencygeneration(DFG) Optical parametricgenerationandamplification(OPG,OPA) trathin NonliearCrystals τ

s h drto o te us. GVM pulse. the of duration the is Nonlinear 559 fs/mm 194 fs/mm 123 fs/mm 77 fs/mm 800 nm 0.26 mm 0.01 mm SHG 0.6 mm 0.4 mm 50 fs – °C) are calculated. If longer L LBO, KDP and qs = τ /GVM ; qs crystals ) is defined as dis- as defined is ) 285 fs/mm 94 fs/mm 51 fs/mm 1030 nm 1 fs/mm 0.26 mm 0.16 mm 0.04 mm SHG 0.1 mm 20 fs – LiIO 3 crystal 262 fs/mm 85 fs/mm 44 fs/mm 1064 nm -7 fs/mm 0.018 mm 0.13 mm 0.08 mm 0.05 mm SHG ype 1phasematching 10 fs – pulse durationisincreasedaccordingto: polarization indifferentcrystals. „o“ polarizationand400nmpulsewith„e“ SHG @800nmforpulsewith parameter forType1phasematching dispersion parameter. second ordergroupdelaydispersionor L –thicknessofthecrystalinmm.D Gaussian pulsewiththeduration broadening. For an originally unchirped pulse dispersive iscalled This its duration. increase always will acrystal in dispersion duration. Ifthepulseisinitiallyunchirped, velocity also has an influence on the pulse The frequencydependenceofthegroup components, andthustoapositivechirp. lower groupvelocityofhigher-frequency with increasingwavelengththisleadstoa sion whenrefractiveindexdecreases of crystals where we have normal disper- propagate with different velocities. In case will causeitsfrequencycomponentsto certain spectralwidth,sothatdispersion of pulses,becauseapulsealwayshas important impactonthepropagation Group delay dispersion (GDD) has an 1.26-2.18→ 3μm t Cut anglesθ,φ = 170 fs/mm τ 44.9°, 45° 90°, 31.7° 29.2°, 90° 42.5°, 0° DFG 0 – – – – 1 +    4 ln τ 2 Table 1 gives D 1.48-1.74→ 10μm 0 ⋅ Coefficient deff 2 D -10 fs/mm 0.30 pm/V 0.75 pm/V 2.00 pm/V 3.59 pm/V ⋅ L DFG – – – –    2 τ 0 , the 2.16 Crystal Ovens PositionerS & HolderS Raman crystals Terahertz Crystals Laser crystals NoNonlineanlinearr ccrystalsrystals - ran­ le­ he to­ The GaSe 0.1 mm 0.1 mm 0.1 mm 0.1 mm* 0.1 mm* cleaved 0.01 mm 10±5 µm to optical axis. perpendicularly Minimal thickness Minimal thickness Polish is not available 2 mm. Other sizes of substrates substrates of sizes Other mm. 3 , AgGaS 3 Ø7 mm 50×50 mm 15×15 mm 10×10 mm 20×20 mm 30×30 mm mm ring holder only. mm ring holder 100×100 mm < 30 arcsec < 30 arcmin λ/4 at 633 nm Maximal aperture Maximal aperture 20/10 scratch/dig KDP, LiIO KDP, ±50 µm for crystals of thickness down to 300 µm and ±20 µm for crystals of thick- to 100 µm. ness down dia to in glued supplied is crystal Se Ga Ø40 12×12×2 or request. on available also are µm. +10/-5 is thickness crystal BBO of ces

See pages 5.23; 5.30 µm inium andteflon conveniinium availableand safe are for Positioning Mount 840-0199 for Nonlinear Crystal Housing See page 2.29 Ø5 mm 4×4 mm 5×5 mm 5×5 mm 5×5 mm 5×5 mm 4×4 mm BBO, LBO < 10 arcsec < 15 arcmin λ/6 at 633 nm Minimal aperture Minimal aperture 10/5 scratch/dig ness less than 100 µmness less than Crystals 2 3 ilica substrates sizes 10×10×2 mm sizes 10×10×2 substrates ilica LBO KDP BBO BBO LiIO GaSe Crystal Crystal AgGaS Parallelism Angle tolerance Surface quality Flatness Crystals d Products Relate Other Ultrahin BBO crystals available. Ring Holders for Nonlinear Crystals See page 2.27 ent handling of ultrathin crystals. ls ons of crysta ndard specificati Sta Optically contacted crystals Optically contacted ­ of thick crystals BBO UV on contacted optically supplied be can S Fused EKSMA OPTICS provides various AR, BBAR and protective coatings for all free standing crystals and optically contacted crystals. alum­ anodized from made mounts Ring he crystals of thickness down to 100 to down thickness of crystals The stand- be supplied as free can be can sup- the to attached not crystals ing port. ring mounts are However the handling safe for recommended highly thin crystals. The tolerance is these of 0.5 mm for max aperture KDP and LiIO * the thickness should be about ree standing crystals Free standing EKSMA OPTICS • Tel.: +370 5 272 99 00 • Fax: +370 5 272 92 99 • [email protected] • www.eksmaoptics.com Tel.: OPTICS • EKSMA

Nonlinear crystals Laser crystals Terahertz Crystals Raman crystals PositionerS & HolderS Crystal Ovens Nonlinear crystals 2.17 See page1.16 Visualizator 990-0840 See page1.16 Laser SafetyEyewear Related Products 1064 nmcoatings. rods withhighdamagethresholdAR@ Nd:YAG quality optical high fications EKSMA OPTICoffersstandardspeci- lasing mediaforsolid-statelasers. Nd:YAG crystal is the most popular for furtherinformationornon-standard Please contactEKSMA OPTICS Nd:YAG specifications.

Visit www.eksmaoptics.com fornew products andprices Neodymiu Doped STANDARD RODSSIZES Properties of1.0%Nd SPECIFIATIONS OFSTANDARD Nd * rodswithbarrelgrooving,except10mmatbothendsoftherodwithoutgrooving. Refractive index Thermal shockresistance Poisson ratio Y ∂n/∂t Thermal expansion Specific heat T Mohs hardness Melting point Density Crystal structure Formula Thermal conductivity Fluorescence lifetime Barrel grooving Coating Chamfers Clear Aperture Length T Diameter T Perpendicularity Parallelism Surface Flatness Surface Quality Orientation Nd DopingLevel ransition oung’s modulus Crystals Laser E-Y E-Y E-Y E-Y E-Y E-Y E-Y E-Y E-Y -6.35-1.1-A/ -12-1.1-A/ -12-0.8-A/ -10-1.1-A/ -8-1.1-A/ -4-1.1-A/ -4-0.8-A/ -3-1.1-A/ -3-0.8-A/ Code olerance olerance Laser crystals Diameter, 6.35 mm 12 12 10 8 4 4 3 3 :YAG at25°C Yttrium Length, 100* 100* mm 85* 85* 85* 1.818 @1064nm 790 Wm 0.25 3.17 ×10 7.3 ×10 6.9 ×10 0.59 Jg 8.5 1970 ºC 4.55 g/cm Cubic Y 4 0.14 Wcm 230 μsfor1064nm 65 65 65 65 F all dia6.35,8,10,12 mmrodswithbarrelgrooving both sidescoated AR @1064nm,R<0.2%, AOI =0deg 0.1 mmat45deg > 90%offullaperture +1/-0.5 mm +0/-0.05 mm < 5arcminforplano/planoends < 10arcsec λ/10 at633nm 10-5 scratch&dig(MIL-PRF-13830B) <111> direction crystalline 0.8% or1.1% 2.97 3/2 :YAG LASERRODS → Nd 4 0.03 I -1 11/2 -6 -6 -1 K 4 °C °C 3 Al -1 -1 Kg/mm @1064nm K Doping, 5 -1 -1 O -1 1.1 0.8 1.1 1.1 1.1 1.1 0.8 1.1 0.8 Aluminiu Garet 12 % -2 Wedge ofthe 3/3 parallel 3/3 parallel 3/3 parallel 3/3 parallel 3/3 parallel 3/3 parallel 3/3 parallel ends, deg 0/0 0/0 Price, 2280 2280 1695 1065 EUR 410 875 410 325 265 2.18 Crystal Ovens PositionerS & HolderS Raman crystals Terahertz Crystals Laseraser ccrystalsrystals Nonlinear crystals b c a 1080 || || || E E E 2 2 1040 -1 3 cm K

cm nm

-6 -19 , λ=981 nm, -20 — — — — -1 4–5 C2/c 1000 0.3 ms 70 mW Yb:KYW 0.5–100% monoclinic ∆λ=3.5 nm 6.61 g/cm 3×10 0.4×10 0.35–5.5 µm 1.33×10 1025–1058 nm avelength, c=7.54 Å, β=94° 568, 407, 169, 0 W =40 cm 960 a a=8.05 Å, b=10.35 Å, 10695, 10476, 10187 α emission 920 5 3 2 0 0 0 15 10 =2.033 m 2 2 =8.5×10 -1 3 c b c a /°C, =3.8 W/mK, || || || cturing om manufa K cm cm b 1040 -6 -6 E E E abilities -20 -19 , λ=981 nm, /°C, α Various shapes (slabs, rods, cubes) Various shapes levels Different dopant Diversified coatings -1 4–5 C2/c =1.986, n -6 0.3 ms p 35 mW 0.5–5% 1075 °C =3.4 W/mK Yb:KGW Cust cap ● ● ● =4×10 c monoclinic ∆λ=3.7 nm 7.27 g/cm a 0.4×10 1000 0.35–5.5 µm nm K 2.6×10 1.2×10 α 1023–1060 nm 535, 385, 163, 0 =26 cm a c=7.588 Å, β=94.43° 10682, 10471, 10188 a=8.095 Å, b=10.43 Å, =3.6×10 α b =2.6 W/mK, K =2.037, n a 960 α g :KYW K n avelength, W Yb 920 absorbtion te ultrashort te ultrashort Absorption and emission spectrae of Yb(5%):KGW 880 ra­

2 2 8 0 0 0 6 6 4 4 4

12

cm 0 1 , tion ec s s

@ 77K @ 77K Cros

2 0 ) ) -2 3+ 3+ -1 -1 :KGW and Yb Yb of Yb Crystals ­ rials to gene manifolds of manifolds of 1050 5/2 7/2 short pulses amplifiers F F 2 2 a b concentration || || 3+ (hundreds of fsec) high power (hundreds of fsec) high (>22 W) pulses. Standard pumping @ nm 981 nm, output: 1023–1060 ultra­­ (100–150 µm) crystals are used as crystals are used as (100–150 µm) ­ lasing mate the best materials for high power thin the best materials for high disk lasers ransmission range E E Thermal expansion Lattice parameters Point group Refractive indices (λ=1.06 µm) Fluorescence lifetime Stimulated emission cross section (E║a) T Melting temperature Absorption cross section Crystal structure Stark levels energy (in cm Laser wavelength Absorption peak and bandwidth Lasing threshold Stark levels energy (in cm Name hardness Mohs’ Density of the of the Thermal conductivity ∂n/∂t Yb ● W can be used as yb:KGW and Yb:KY Properties ons Applicati ● Yb:KYW thin yb:KGW and ● W are some of yb:KGW and Yb:KY Tungstate m Gadolinium ed Potassiu Yb-Dop ) 2 ) 1000 4 nm velength, Wa 950 ) and Yb-doped Po- 2 state (Yb:KY(WO ) 4 se absorbtion emission /λ EKSMA OPTICS • Tel.: +370 5 272 99 00 • Fax: +370 5 272 92 99 • [email protected] • www.eksmaoptics.com Tel.: OPTICS • EKSMA pump tals are the laser crystals for tals are the laser crystals for 900 Absorption and emission spectra of Yb(5%):KYW high stimulated emission cross section low laser threshold extremely low quantum defect λ broad polarized output at 1023–1060 nm high slope efficiency with diode pumping (~ 60%) high Yb doping concentration high absorption coefficient high absorption coefficient @ 981 nm Yb:KYW • Yb:KGW 1

5 3 2 0 0

15

10

cm 10 section,

● ● ● ● ● ● Cross ●

2 -20 tassium Itrium Tung­ Yb-Doped Potassium Gadolinium Tung- state (Yb:KGd(WO single crys­ pumped laser or diode solid-state laser applications.

Nonlinear crystals Laser crystals Terahertz Crystals Raman crystals PositionerS & HolderS Crystal Ovens Laser crystals 2.19 appli­cations. suitable for laser rangefinding laser ma­ efficient highly threshold, ing Nd:KGW crystalsarelowlas- lasing range. and opticalpropertieswithbroadest crystals combine outstanding physical Al 2 O 3 :Ti 3+ Ti:Sapphire terial exceptionally – titanium-doped sapphire Nd:KGW Standard specifiations Figure OfMerit Wavefront distortion Surface Quality Parallelism Flatness End configurations Size Ti Orientation 2 O 3 concentration Standard specifiati ons Absorption losses Surface Quality Perpendicularity Parallelism Flatness Chamfer Length tolerance Diameter tolerance Dopant concentration Orientation Visit www.eksmaoptics.com fornew products andprices Nd-Dope Potassium GadoliniuTungstate Titanium DopedSapphire laser radiation. great valueofbulkresistansfor feature highopticalqualityand supplied byEKSMAOPTIC Al gies (0.5–1 generation at low pump ener- choices ensuringeffectivelaser ser mediumisoneofthebest of Nd:YAGlasers.Nd:KGWla- one the than higher times 3–5 is lasers Nd:KGW of efficiency The * Presentedvaluesaregivenwith±0.05cm tire bandof660 useful lifetimeaddedtothelasingoveren- existing andpotentialapplications. Kerr-type mode-locking–therearefewof direct femtosecondpulsegenerationby laser systems, lidars, laser spectroscopy, dyes invarietyofapplications.Medical accuracy. 2 Ti wt % O 0.25 0.20 0.15 0.12 0.10 0.07 0.05 0.03 2 > 0.03–0.25 wt% λ/4 inch 10-5 scratch&dig(MIL-PRF-13830B) 10 arcsec λ/10 @633nm flat/flat orBrewster/Brewsterends up to20mmdiaand130length optical axisCnormaltorod 3 O :T 150 (> 3 i 3+ indefinitely long stability and stability long indefinitely @ 490nm Laser 300 availableonspecialrequests) a, cm 0.7* 5.4 4.3 3.3 2.6 2.2 1.5 1.1 < 0.005cm (MIL-PRF-13830B) 10-5 scratch&dig better than15arcmin better than30arcsec λ/10 @633nm 0.2(±0.1) mm 45(±10) deg× +1.0/-0.0 mm +0.0/-0.1 mm 2-10 at% [010] ±30min J). – -1 1050 nm challenge “dirty” 1050 nmchallenge“dirty” T crystals hese crystals crystals hese @ 514nm a, cm -1 4.6 3.7 2.8 2.2 1.9 1.3 0.9 0.6 -1 @ 532nm a, cm -1

4.1 3.4 2.5 2.0 1.7 1.2 0.8 0.5 -1 physical T T Melting point Phase transition Density axis Angle betweenoptical Fluorescent width Fluorescence lifetime Laser wavelength Thermal expansion Thermal conductivity Mohs hardness Chemical formula Emission temperaturedrift Emission cross-section Optical orientation Lattice constants Refractive index ransition ransmission range flashlamps inpowerfullasersystems. can beeffectivelypumpedbyshortpulse crystals Ti:Sapphire lifetime fluorescence copper vapourlasers.Becauseof3.2µs ion, frequencydoubledNd:YAGandYLF, variety of laser pumpsources –argon centered at490nmmakesitsuitablefor T physical

Refractive index Absorption peak Emission peak Absorbtion range T Fluorescence lifetime Laser action Melting point Specific heat Thermal conductivity Mohs hardness Density Lattice constants Crystal structure Chemical formula Intensity, a.u. he absorption band of 0.4 0.6 1.0 0.8 0.2 uning range 0 400 and laserproperties absorptio 500 and laserproperties n Wa 6007 1075 °C 1005 °C 7.27 g/cm 86.5 angulargrad 24 cm 120 µs 1.0672 µm 4×10 3.5 W/(m×grad)[001] 2.2 W/(m×grad)[010] 2.8 W/(m×grad)[100] 5 KGd(WO 8.5×10 4.3×10 4 n c =7.588Å a =8.095Å,b10 n n 8.5×10 n 0.35–5.5 µm 3.6×10 velength, F g m p g 3/2 = [email protected]µm = [email protected]µm = b,n = [email protected]µm 1.76 @800nm 488 nm 795 nm 400–600 nm 660–1050 nm 3.2 µsec(T=300K) 4-Level Vibronic 2050 °C 0.10 cal/g 0.11 cal/(°C×sec×cm) 9 3.98 g/cm a=4.748, c=12.957 Hexagonal Ti → 3+ -6 -1 4 :Al grad -6 -6 -4 -19 I 00 nm 11/2 p nm,K fluorescence grad grad c =20deg cm 4 2 3 ):Nd O T -1 3 i: [100] -2 3 -1 -1 Sapphire [001] [010] -1 8009 00 2.20 Crystal Ovens PositionerS & HolderS Raman crystals Terahertz Crystals Laseraser ccrystalsrystals Nonlinear crystals 500 5500 ions in 1/2 3+ H 400 6 ions in 1800 3+ axis axis 15/21 Oscillations Fluorescence H- , mJ 6 5000 “Fast” “Fast” 300 || || ─ E E 1600 =2% sl η 200 /2 G laser pump :YA 11 d F 4500 Absorbed energy R=85%, /2 avelength, nm 00 W 1400 H+ avelength, nm 66 2 W 15/29 cm -1 H- 6 -20 01 4000 9/2

2 4 0 6 8

F , mJ , Output energy Output 4.3 µm; 4.53 µm; 4.65 µm, 5.5 µm ~ 1 сm 1×10 < 20 mJ < 1 ms up to 2% 0.5 mol. % 0.44-12 microns 1200 /2 crystal 4 crystal H+ 4 S 66 2 S 2 15/27 H- 3500 6 160 PbGa Emission cross-section and oscillation of Dy spectrum Polarized absorption cross-section spectrum of Dy PbGa

1 1000

2 4 0 3

cm

Absorption cross-section, ×10 cross-section, Absorption 0.2 0.0 0.4 1.0 0.6 0.8

2 0 -2 Intensity 120 , mJ 1/2 F =1.8% =1.2% sl sl 80 /2 21 η η ion 9/ 11 13/2 15/2 3+ H+ H H H 6 6 6 66 Absorbed energy Crystals R=85%, R=95%, 40 S propertie 0 0 concentration in crystal 0

3+

8000 6000 4000 2000

2.0 1.0 2.5 1.5 0.5

Energy diagram of Dy

, cm , ransmission range Energy

, mJ , Output energy Output Non hygroscopic -1 Obtained oscillation wavelengths: Absorption at pump Cross-section at 4.3 mm T Dy Lasing pulse duration Laser efficiency Lasing threshold 1.318 µm N Lasing properties with free running Physical sium ions with dyspro ogallate lead thi s l alkali meta ed by co-dop 4 S ) with dyspro- with ) 2 4 S 2 :PbGa EKSMA OPTICS • Tel.: +370 5 272 99 00 • Fax: +370 5 272 92 99 • [email protected] • www.eksmaoptics.com Tel.: OPTICS • EKSMA ) co-doped by alkali metals. alkali by co-doped ) 3+ 3+ Dy sium ions (Dy ions sium offers novel unique crystalunique novel offers OPTICS EKSMA (PbGa thiogallate lead – Crystal shows efficient laser emission at 4.3-5.5at range IR mid in room temperature micron wavelengths.

Nonlinear crystals Laser crystals Terahertz Crystals Raman crystals PositionerS & HolderS Crystal Ovens Laser crystals 2.21 DSTMS OH1 DSTMS • DAST •OH1 Physical coefficients Nonlinear optical Crystal Electro-optic coefficients Point groupsymmetry Refractive indices Melting temperature,°C DAST PropertiesofOrganicTERAHERTZCRYSTA LS Visit www.eksmaoptics.com fornew products andprices Organic TerahertZCrystals ● ● ● ● Applications ofrganicDSTMS,AST and OH1crysta ls: ● ● ● ORGANIC TERAHERTZEERAT detection usingdifferentfemtosecondlaserpumpsources. EKSMA OPTICoffersorganicDST,ASTOH1crystalsforHzgenerationand Absorbtion coefficient, cm-1 d 10 12 Crystals Terahertz Efficient doublingof1.55micronsradiation Optical parametricgeneration Fast electro-opticmodulation(>200GHz) Efficient THzgenerationanddetection OH1 –efficientterahertzgenerationin0.1-3THzrange DAST –efficientterahertzgenerationin0.1-17THzrange DSTMS –efficientterahertzgenerationin0.3-15THzrange 8 6 0 4 2 d d 111 r 111 212 122 crystals Absorption SpectrumofDSTMS,DASTTHz =214±20pm/V@1990nm =37±3pm/V@1990nm =35±4pm/V@1990nm =31±4pm/V@1990nm n n 0.75 2 1 =1.64@1550nm =2.07@1550nm DSTMS T 1.00 250 Hz m

crystals W 1.25 avelength, µm 1.50 d d d 11 r r 11 1.75 r 11 11 26 =1010pm/V@1318nm 11 =290pm/V@1542nm n n n =47pm/V@1535nm =53pm/V@1313nm =39pm/V@1542nm =92pm/V@720nm 3 2 1 =1.635@720nm =1.720@720nm =2.519@720nm ORS 2.00 DAST 256 AND DETECT m

-1

Absorbtion coefficient, cm 120 40 80 0 01 Absorption SpectrumofOH1crystals ORS:

d d 333 d r r r r 322 333 333 333 223 333 =120±10pm/V@1990nm =8.5±2pm/V@1990nm =52±7pm/V@1319nm =56±2pm/V@1064nm =109±4pm/V@633nm =13±2pm/V@1990nm Frequency n n =75±7pm/V@785nm 3 2 =2.15@1319nm =1.58@1319nm mm2 OH1 , 212 THz 23 2.22 Crystal Ovens PositionerS & HolderS Raman crystals Terahertzerahertz CCrrystalsystals Laser crystals Nonlinear crystals 1600 15 1400 THz 10 , Best phase- matching 1200 avelength, nm Frequency W 5 1000 OH1 THz generation in DAST Thickness – 500 microns to 1 mm Thickness – 500 microns to 1 mm 0 800 8 6 4 2 0

1

10

10 THz , Frequency

, nJ , 100 energy THz 1000 Description 4 600 Thickness 150-200 microns Thickness 200-400 microns Thickness 400-800 microns Thickness 150-200 microns Thickness 200-400 microns Thickness 400-800 microns Thickness 150-200 microns Thickness 200-400 microns Thickness 400-800 microns DAST DSTMS OH1 01 140 Best phase- matching for fs pump lasers THz , 23 200 avelength, nm W Frequency C-plates, with diagonal cut. C-plates, with diagonal cut. C-plates, with diagonal cut. With perpendicular cut, 3×4 mm aperture. C-plates, with diagonal cut. C-plates, with diagonal cut. C-plates, with diagonal cut. C-plates, with diagonal cut. C-plates, with diagonal cut. C-plates, with diagonal cut. With perpendicular cut, 3×4 mm aperture. Crystals Best phase-matching 10001 DSTMS THz Conversion Efficiency in DAST, DSTMS and OH1 crystals 01 800

2 4 0 6 8

2 4 0 6 8

10

THz , Frequency , a.u. , ficiency Conversion Ef Conversion 600 01 140 -150 -200 -400 -500 Best phase- matching for fs pump lasers DAST THz Crystals for fsec lasers pump. Diagonal cut. DAST DAST DAST DAST THz crystals for fsec lasers pump. Perpendicular cut. DAST OH1 THz Crystals for fsec lasers pump. Diagonal cut. OH1-150 OH1-200 OH1-400 Catalogue number DSTMS THz Crystals for fsec lasers pump. Diagonal cut. DSTMS-150 DSTMS-200 DSTMS-400 DSTMS THz crystals for fsec lasers pump. Perpendicular cut. DSTMS-500 ls Organic TerahertZ Crysta 200 avelength, nm W EKSMA OPTICS • Tel.: +370 5 272 99 00 • Fax: +370 5 272 92 99 • [email protected] • www.eksmaoptics.com Tel.: OPTICS • EKSMA 10001 DAST 800

2 4 0 6 8

10 THz , Frequency

ystals Laser crystals Terahertzerahertz CCrrystalsystals Raman crystals PositionerS & HolderS Crystal Ovens Nonlinear cr 2.23 ZnT GaSe e GaSe •ZnTe GaSe, Z-Cut ZnT <110> oriented ZnT space electro-optic detection in another Detection oftheTHzpulseoccursviafree- produce bandwidthfrom0toseveralTHz. interact witheachotherandtheirdifference large bandwidththefrequencycomponents For femtosecondlaserpulseswhichhave media with large second order susceptibility. tion isadifferencefrequencygenerationin optical rectification process. Optical rectifica orientation areusedforTHzgenerationby ZnTe (Zincelluride)crystalswith<110> waves generation. Due to broadband for broadbandmidinfraredelectromagnetic ficient, which make it an alternative solution transparent range, and lowabsorptioncoef- linear optical coefficient (54 features highdamagethreshold,largenon- 300 at eV 2.2 of bandgap structure of62mpointgroupandadirect layered semiconductor with ahexagonal up to41THz.GaSeisanegativeuniaxial THz generation shows a large bandwidth of GaSe (Galliumelenide)crystalsusedfor the THzpulseareincrystalatsame ible pulse. When both the visible pulse and which isreadoutbyalinearlypolarizedvis- pulse induces abirefringence inZnT linearly throughtheZnTecrystal.heHz and thevisiblepulsearepropagatedcol- Visit www.eksmaoptics.com fornew products andprices Catalogue number Catalogue number Semiconduct e, <110> Cut GaSe-1000 GaSe-100 ZnT GaSe-30 ZnT ZnT ZnT e-1000 e-500 e-200 e-100 T Hz e crystal. T

crystals Clear aperture,mm Size, mm 10×10 10×10 10×10 10×10 K. GaSe crystal GaSe K. or TerahertzCrystals pm/V), suitable Ø7 Ø7 Ø7 he T Hz pulse Hz pulse e crystal e crystal Thickness, mm THz Thickness, µm - 1.0 0.5 0.2 0.1 1000 100 and fragilityofGaSe. plane only. Another disadvantage issoftness possible to cleave GaSe crystal along (001) NOTE: becauseofmaterialstructureitis ness shouldbeused. system, GaSecrystalsofappropriatethick- selective ZnTe crystals. In order to achieve frequency thin using than results better even or parable performance isconsideredtoachievecom- laser source,GaSeemitter-detectorsystem generation and detectionusingasub-20 fs complains on presence of bubbles in crystal. affect theTHzgeneration.Wedonotaccept illuminated crystal.Howeverthisdoesnot bles andthey are visible in projection of NOTE: ZnTecrystalcontainsmicrobub- nents substratesandvacuumdeposition. ZnTe arealsousedforIRopticalcompo- time-domain THzspectroscopy. and delay, isoneof the attractive features of read out the full electric field,both amplitude with respecttotheTHzpulse.heability the ZnTecrystalatavarietyofdelaytimes the visiblepulsepolarizationrotationafter to mapTHzpulseamplitudebymonitoring a setofbalancedphotodiodes,itispossible and abeamsplittingpolarizertogetherwith waveplate λ/4 a Using pulse. THz the by time, thevisiblepolarizationwillberotated 30 Hz wave generation and detection THz wave generation and detection 2.24 Crystal Ovens PositionerS & HolderS Raman crystals Terahertzerahertz CCrrystalsystals Laser crystals Nonlinear crystals

2 ) 3 = 1.982 ductivity. <10 ypical p 35–70 20–40 10–15 10–30 T λ/8 10-5 ) ) KGW efficiency, % efficiency, -1 -1 10×10×80 =3.4 c ) and Ba(NO -1

= 2.010; n

2 ) 2 m -1 3 is more optimal in in optimal more is 2 and KGW for Raman and KGW =3.8; K K ) 3 2 b (p[mm]p) (p[gg]p) 3 ) -6 3 957 -1 -1 1197 1369 1599 1924 pumped Ba(NO @ 1064 nm 2 = 2.061; n ) aman laser. However, the However, laser. Raman =2.6; K 3 a g K 0.4 × 10 901 cm monoclinic, C2/c 0.35–5.5 µm 7.27 g/cm 4-5 n > 10 GW/cm 768 cm 3.3 cm/GW (901 cm 4.4 cm/GW (768 cm λ/4

40-20 2 ) 3 Ba(NO 10×10×100 563 598 638 684 503 pumped Ba(NO @ 532 nm case of ns and longer pulses, KGW – in case of shorter pulses. application Ba(NO application ficient. The gain coefficient affects the for threshold thermal lensing is particularly strong in this material. This is indicated by the large value ∂n/∂T and low thermal ­ con Thermal effects are significantly smaller in KGW. This along with the high damage excellent an crystal the make threshold candidate for power scaling. Comparing Ba(NO ) are given in the table below. L PROPERTIES AND OPTICAL -1 ef- and and 2 ) 970 1177 1316 1494 1726 3 KGW pumped @ 1064 nm ransmission range hermal conductivity, W/mK Thermal conductivity, ∂n/∂T Raman shift Crystal symmetry T Density Hardness Mohs Refractive indices @ 1064 nm Optical Damage Threshold Raman gain, pump 1064 nm L KGW PHYSICAL 558 588 621 507 658 KGW or KGW which have have KGW which or ding the tuning range. tuning the ding pumped 2 @ 532 nm ) 4 Crystals has a highest Raman gain co 2 2 ) 3

ted much interest for stimulated ted much interest for stimulated Barium Nitrate – Ba(NO -1 ped potassium gadolinium tung- gadolinium potassium ped 3 3 1 Stokes 1 Stoke 2 Stoke 3 Stoke 4 Stoke -1 K -6 1 Antistoke Raman Raman Crystals L-PRF-13830B) scratch & dig (MI Surface Quality, Flatness @ 633 nm Maximal element dimensions, mm SRS in crystals is compatible with current and provides a all-solid-state technology frequency compact means of simple, very conversion. Ba(NO attrac­ Raman scattering (SRS). These materi- conversion frequency for used be can als ­ exten for lasers in undo­ KGd(WO state Raman wavelengths in KGW coefficient901.5(oscillation cm crystal ons ndard Specificati Sta - EKSMA OPTICS offers crystalline materi als – crystal (oscillation coefficient 1048.6 cm ng an Scatteri d Ram ulate ls for Stim Crysta = 1.555

0.35–1.8 µm 3.25 g/cm 1048 cm ~ 0.4 GW/cm 2.5–3 n cm/GW 11 1.17 -20×10 cubic, P2 2 ) 3 L PROPERTIES AND OPTICAL EKSMA OPTICS • Tel.: +370 5 272 99 00 • Fax: +370 5 272 92 99 • [email protected] • www.eksmaoptics.com Tel.: OPTICS • EKSMA L PHYSICAL 2 ) 3 KGW • Ba(NO KGW (NO ransmission range a T Density Raman shift Optical Damage Threshold Hardness Mohs Refractive indices @ 1064 nm Raman gain, pump 1064 nm W/mK Thermal conductivity, ∂n/∂T Crystal symmetry B

ystals Laser crystals Terahertz Crystals RRamanaman ccrystalsrystals PositionerS & HolderS Crystal Ovens Nonlinear cr 2.25 such as:Co of solid-statesatur­ EKSMA OPTICoffersawidechoice Co Cr 2+ 2+ :MgAl :MgAl 4+ :YAG able absorbers 2 O 4 , Cr 2 O 4+ :YAG. 4

Visit www.eksmaoptics.com fornew products andprices Passive Q-switchingCrystals tion results in high contrast of Q-switch, i.e. tion resultsin high contrast of Q-switch, i.e. pumping. Negligibleexcited-stateabsorp- diode-laser and flash-lamp with both ing Er:glass laser without intracavity focus- SpecifiationS Co -1 (3.5×10 lengths. Highabsorptioncrosssection also worksat1.44µmand1.34wave- for eye-safe1.54µmEr:glasslaser,but emitting from1.2to1.6µm,inparticular, rial forpassiveQ-swit­ Aperture, mm Initial transmittance,% Absorption cross-section,cm Working wavelengthrange,µm Coatings* Thickness, mm Absorption coefficient, cm 4 6 0 2 2+ Fe:ZnSe, Cr:ZnSe,Co:ZnSsolid-statesaturable crystal Fig. 1.AbsorptionspectraoftheCo :MgAl 0.4 absorbers alsoareavailableuponrequest -19 cm Ramn 2 O 4 0.8 2 isarelativelynewmate- ) permits Q-switching of Wa crystals velength, µm 1.2 2 ching inlasers 2+ 1.6 : MgAl AR @1.54µm,R<0.2% 2 3.5×10 O 4 2.0

Co:MgAl 1.2 –1.6 -19 30–99 5–12 1–5 (at1.54µm) Cr absorption ishigherthan10(Fig.1). the ratioofinitial(smallsignal)tosaturated are available. rods for ultra-short pulse solid-state lasers able uponrequest.AlsoCr transmission (oropticaldensity)areavail- initial various mmand 8,9.5 –5, apertures at ~1µmwavelength.Standarddiameter Q-switch forhighpowerlasersemitting

Transmission, % 100 20 40 60 80 0 4+ at 1064nm Cr:YAG Q-switchwithinitialtransmissionof80% Fig. 2.TransmissionofARcoatedat1064nm 2 5007 : O YAG 4

00 is oneof the best passive Wa AR @1.06µm,R<0.15% 9001 velength, nm 5×10 -18 Cr 0.8 –1.2 5, 8,9.5 20–99 (at1.06µm) 100 4+ 1–5 :YAG 4+ :YAG laser 1300 1500

2.26 Crystal Ovens PositionerS & HolderS RRamanaman ccrystalsrystals Terahertz Crystals Laser crystals Nonlinear crystals 10.5 Ø25.4

& C.A.* Phase matching plane marking 830-0001-10 830-0001-06

25.4 6 * C.A. - depends on crystal aperture

50 50 50 90 50 50 90 EUR Price,

12×12×3 12×12×6 15×15×3 15×15×6 12×12×15 15×15×15 12×12×0.5 crystal size, mm Max. acceptable

Crystals 6 mm 10.5 13.5 17.5 10.5 13.5 17.5 he crystals are glued into white ano- white are glued into he crystals Thickness, Black anodized aluminium body Black anodized aluminium Teflon or white anodized aluminium adapter for particular crystal size disassembling

Holders Positioners Positioners ● ● ● Easy assembling and Ring mounts made from black anodized aluminum and Teflon or white anodized safe for available are adapter aluminium and convenient handling of nonlinear crys- T tals. (830-0001-06). adapter aluminium dized No glue is used for fixation of the crystal into open ring holder with teflon adapter. The standard sizes are Ø25.4 or Ø30 mm mm 17.5 or 13.5 10.5, 6, – thickness and depending on crystal size. Housing accessories Positioning Mount 840-0199 for Nonlinear Crystal Housing See page 2.29 ls or Nonlinear Crysta Ring Holders f 30 30 30 mm 25.4 25.4 25.4 25.4 Diameter, Diameter, Part No 830-0001-10 830-0001-13 830-0001-17 830-0002-10 830-0002-13 830-0002-17 830-0001-06 Please indicate the exact crystal size when ordering. Please indicate the exact crystal size when EKSMA OPTICS • Tel.: +370 5 272 99 00 • Fax: +370 5 272 92 99 • [email protected] • www.eksmaoptics.com Tel.: OPTICS • EKSMA 830-0001-06 830-0001-10 830-0001

ystals Laser crystals Terahertz Crystals Raman crystals PositioPositionenerrSS & HoldeolderrSS Crystal Ovens Nonlinear cr 2.27 840-0056-11 840-0193 Visit www.eksmaoptics.com fornew products andprices Positioning Munt Kinematic PositioningMunt the screws870-0080. standard, mount840-0056-11comeswith the mount, keeping clear one edge. stability. Thisallowedtoeliminatepartof ematic fit. A thick base of the mount adds two strong coil springs, ensuring tight kin- Platform of840-0056-11ispreloadedby of plastic. made is screw fixing the of tip the holder, contact points.Topreventdamagetothe tics against2contactlines,whichmake op- the secures screw fixing One holder. the stop to flange resting a has Mount 1” ringholderswithnonlinearcrystals. precise angularandlinearalignmentof Kinematic Mount 840-0056-11 is used for

3 ardened seatsunderadjustmentscrews ● H ine adjustmentscrewswith0.25mmpitch ● F ● ensitivity 3arcsec ● S ilt/tip range±2° ● T ● or Ø25.4mm(1inch)ringholders ● F screwpushesviaseatof ● A ● ensitivity of3arcsecand1µm ● S ● ravel range4mm ● T ilt range9° ● T 840-0193 Both tiltandtipcontrolledfromasidetheopticalpath Kinematic design hardened stainlesssteel Kinematic withclearedgedesign Mounting oneitherof2sides Code 2 holes Po M4 si t ioners & Ho Weight, kg 840-0056-11 0.12 Code 29 Price, EUR lders screw 29 fixing 7.5 Price, EUR 3 87 75 As 22

940-0060-01 version Motorized RELATED PRODUCTS See page8.141

77 max 16

2 knob lines contact 54 56 for

55 Ø23 optics

Ø25.4

37.

32.

28

26 5 5 (1") 2 screw fixing contact

lines 26 2.28 Crystal Ovens PositioPositionenerrSS & HoldeolderrSS Raman crystals Terahertz Crystals Laser crystals Nonlinear crystals

Y that allows continuous 360° rotation without rotation 360° continuous allows that rod This removable aperture. obscuring the can be fitted into any of the four holes on platform. the perimeter of rotation (Z, tilt/tip of range adjustment Angular axes) is ±2.5°. Two high resolution stainless resolution high Two ±2.5°. is axes) with a pitch ofsteel vertical-drive screws ball” mechanism0.25 mm and “wedge and tilt/tipangular precise and smooth ensure sensitivity. Foradjustment with 3 arc sec preloaded againsttilting, the platform it is springs. the base with high quality screws re- Large knobs on the adjusting lieve the strain on operator fingers during adjustment. Both screws protrude from the top allowing convenient adjustment outside the laser beam path and providing easy access optical packed densely in adjustments for set-ups. An extra M4 tapped hole on the side of the base allows you to operate the mount as a side-drive adjustment control mount. The mount is made of black anodized aluminium to help minimize reflections. A retaining ring M27×1, two Teflon rings and a tightening key to fix the crystal ring housing is included. Housing able rodable 165 Price, EUR mm and thickness upthickness and mm 0.12 Weight, kg Weight, Crystals Code up to 10.5 mm thickness ring up to 10.5 mm housings Kinematic design mechanism Wedge and ball drive 0.25 mm pitch screws Compact and robust design Material: black anodized aluminum 840-0199 ● A mm and ccepts Ø25.4 ● ● ● Tilt/tip range: ±2° ● Sensitivity: 3 arcsec ● F with ine adjustment screws ● Hardened seats under adjustment ● Rotation range: 360° ● Scale gradation: 2° ● ● to 10.5 mm. The housing is stopped by a rest-flange inside thecentral aperture of the platform, and is secured by a threaded retaining ring. The rotation position (X axis) is indicated on 360° angular scale with a gradation of 2°. remov­ a has rotation platform The his kinematic mount accepts crystal This kinematic mount accepts crystal Ø25.4 of housings For ing Mount Position l ear Crysta Nonlin EKSMA OPTICS • Tel.: +370 5 272 99 00 • Fax: +370 5 272 92 99 • [email protected] • www.eksmaoptics.com Tel.: OPTICS • EKSMA 840-0199

ystals Laser crystals Terahertz Crystals Raman crystals PositioPositionenerrSS & HoldeolderrSS Crystal Ovens Nonlinear cr 2.29 the crystalsathigherthanambient from thedegradationitisdesirabletokeep the protection of surfaces of the crystals dation to some extent only. T applied tothesurfacecanreducedegra- ple KD*P,BBO,LBO.Protectivecoatings susceptible toambienthumidity,forexam- Many ofwidelyusednonlinearcrystalsare 34 TC1 •CO1 20 Ø3-1 TK1 1 TC1 andCO1dimensions controller Cablet Ø52 o o improve * Sizes3×3,4×4,5×5, 6×6,12×12 arestandard.**y/y,y/z–crystalsize. For crystallengthupto30mm Crystal OvensforTC1 Thermocontroller C1 tem- M6 CO1-30S-y/y CO1-30-y/y CO1-30-y/z

Visit www.eksmaoptics.com fornew products andprices Code ** TC1 50 52 TEMPERATURE CONTROLLERTC1WITH OVENCO1 can decreaseby50%ifthecrystaltem- monics generatorbasedonKD*Pcrystal example, theoutputpowerofsecondhar- angle dependsoncrystal temperature. For monics generation, the phase-matching In addition,ifthecrystalisusedforhar- on thecrystalsurfaces. perature, which helps avoid condensation Ovens Crystal 19 R2.5 thread M6 Crystal mounting Thermocontroller, Fuzzylogic,RT O Specifiations crystals areavailabletoo. size areavailable.Inaddition,adaptersforBrewster-cutandPPLN 6×6 mm size. Customized adapters for crystals up to 12×12 ers are15,30and50mmlengthwithaperturesof3×3,4×4,5×5, - adapt standard The protection. extra provide to order in windows the crystal.Thenonlinearcrystalcanbesealedwithfusedsilica oven CO1.Suchdesignfacilitateshandlingandreplacementof The nonlinear crystal is mounted into adapter before insertion into Actual crystaltemperatureisshownonLEDdisplay. Trough pendent outputsandcancontroltwoCO1ovenssimultaneously. thermocontroller TC1andcrystalovenCO1.hastwoinde- TC1 andCO1ishightemperatureset(upto200°C)consistingof Specifications aresubjecttochangeswithoutadvancenotice. T to connectonecontroller Quantity ofovenspossible Model Dimensions, Dia×D Serial interface Output connector Sensor type Power consumption Powering requirements Resolution Long-term stability Accuracy Sealing (optional) Maximum crystalsdimensions long-term stability±0.1ºK,worldwidemains vens emperature tuningrange Sealed, standardcrystal sizes* RS232 computer interface it can be controlled from PC. Standard crystalsizes* Description, features Custom crystalsizes -200 ºC,cancontroltwoCO1ovens,

range ofcrystals. formance andcanaccommodatewide crystal ovensprovidereliable,stableper­ CHseries heating. for precisecrystal EKSMA OPTICoffersvarioussolutions tal temperaturestabilizationisnecessary. precise crys- forgoodlaserstability hence perature changes just by one degree, TC1 12×12×30 mm TC1+CO1-30 Ø52×52 mm 2 90–264 V, 47–66Hz RS232 (DB9) RT FS windows ± 0.1°C ± 0.5°C PT1000 –200°C 0.1 °C 45 W DB9

12×12×50 mm TC1+CO1-50 Ø52×72 mm Price, EUR 860 625 570 711 1 mm 2.30 CCrrystalystal Ovensvens PositionerS & HolderS Raman crystals Terahertz Crystals Laser crystals Nonlinear crystals 52 44 – – 64 70 98 489 374 425 425 476 180 310 450 hole 116 699 713 719 969 656 center 16 7.5 3.5 Price, EUR UR Price, E crystal mounting 48 15 hole CH3 dimensions 15 mounting 7.5 3.5 9 26 CH3-30 15×15×30 mm 48×44×36 mm 6 W ± 5 °C For PPLN crystals ± 0.2 °C Custom crystal size Custom crystal Description, features Description, Molex 2 pin 12-15 V DC tandard crystal sizes * Standard crystal 30-60 (80) °C For Brewster-angle cut crystal ealed, standard crystal sizes * Sealed, standard NTC Thermo resistor CH3-15 ilt stage should be ordered separately pare crystal holder for CO1-30 oven Spare crystal holder for CO1-30 ealed, for Brewster-angle cut crystal Sealed, for Brewster-angle cut pare crystal holder for CO1-50 oven Spare crystal holder for CO1-50 T 15×15×15 mm 48×44×26 mm dapter for CO1 oven mounting on tilt stage. Adapter for CO1 oven mounting Description, features Standard crystal sizes * Standard crystal sizes * Non-standard crystal size Non-standard crystal size For temperature up to 80 °C Version for temperature up to 80 °C Version 100-240 VAC mains, +12 VDC output mains, +12 VDC 100-240 VAC Crystals Rotary stage should be ordered separately Power supply for CH3, CH4 or CH7 crystal oven, ls OVEN for nonlinear crysta AD1 AD2 MS-4 emperature tuning range Code ** Long-term stability Powering requirements Power consumption Preset temperature Sensor type T near preset Maximum crystals dimensions Output connector Dimensions, W×H×D Model ons Specificati Specifications are subject to changes without advance notice. CH3-15 is compact oven with build-in thermocontroller CH3-15 is compact oven with build-in thermocontroller 60 °C. It is ideal for larger aperturefor temperature up to mm 15 × 15 with up to like KD*P. The crystals crystals dimensions can be mounted. CH3-30 model can fit crystals with up to 30 mm length. Each oven is made exactly for specified crystal, so it cannot be used for different size crystals. CO1-50-y/z CO1-50-y/y CO1-50S-y/y CO1-30PP-y/y CO1-30BA-y/y Two axis tilt stage, adjustment in 5 degree range, fits two pc. of CH3, CH4 or CH7 ovens Two CO1-30BAS-y/y wo axis tilt adjustment 5 degrees range, suitable for all types of CH3, CH4 or CH7 crystal ovens Adapter for CH3, CH4 or CH7 mounting on rotary stage, 15 degrees fine tuning, angle read-out. For Brewster-angle cut crystal For Brewster-angle For PPLN crystals are standard. ** y/y, y/z – crystal size. * Sizes 3×3, 4×4, 5×5, 6×6,12×12 Crystal Ovens for TC1 Crystal Ovens up to 50 mm For crystal length Mounting accessories Crystal holders Mounting stages for crystals ovens Mounting stages for crystals T

MS-1 MS-2 MS-3 PS-12 Code ** CH3-15-y/z-x CH3-30-y/z-x CH3-15-y/y-x CH3-30-y/y-x CH3-15-y/y-80 CH3-30-y/y-80 Mounting accessories * Sizes 3×3, 4×4, ...,15×15 are standard. ** y/y, y/z – crystal size, x – preset temperature in degrees of Celsius (30-60 °C range). Power supply PS-12 CH3-15 – fixed temperature crystal ovens, temperature tuning range ±5 °K, crystal length up to 15 mm CH3-30 – fixed temperature crystal ovens, temperature tuning range ±5 °K, crystal length up to 30 mm CH3 EKSMA OPTICS • Tel.: +370 5 272 99 00 • Fax: +370 5 272 92 99 • [email protected] • www.eksmaoptics.com Tel.: OPTICS • EKSMA up to 60×60 mm or even larger. up to 60×60 mm or even larger. On request we can manufacture On request we can manufacture ovens for crystals with aperture ovens for crystals with aperture

ystals Laser crystals Terahertz Crystals Raman crystals PositionerS & HolderS CCrrystalystal Ovensvens Nonlinear cr 2.31 CH4 Specifications aresubjecttochangeswithoutadvancenotice. Specifiations to 50 mmlength. up with crystals fit can model CH4-50 reached. changing statewhenpre-settemperatureis CH4 has“temperatureready”outputsignal, current temperature is not indicated. In addition, ±5 in CH3. Thepre-settemperaturecanbeadjusted CH4 ovenhasidenticalmechanicaldesignas Visit www.eksmaoptics.com fornew products andprices CH4-15 –ProvidesREADY signal,stability±0.2°K,crystallengthupto15mm Mounting accessories CH4-50 –ProvidesREADY signal,stability±0.2°K,crystallengthupto50mm CH4-30 –ProvidesREADY signal,stability±0.2°K,crystallengthupto30mm Model ** y/y,y/z–crystalsize,xpresettemperature indegreesofCelsius(30-60°Crange). * Sizes3×3,4×4,...,15×15arestandard. Dimensions, W×H×D Output connector Sensor type Power consumption Powering requirements T Long-term stability Preset temperature Maximum crystalsdimensions T Power supplyPS-12 emperature OKoutputsignal emperature tuningrangenearpreset CH4-50-y/y-80 CH4-30-y/y-80 CH4-15-y/y-80 CH4-15-y/y-x CH4-50-y/y-x CH4-30-y/y-x OVEN fornonlinearcrystals CH4-50-y/z-x CH4-30-y/z-x CH4-15-y/z-x °C range by the help of potentiometer. The potentiometer. of help the by range °C Code ** PS-12 MS-2 MS-1 MS-3 Crystal fine tuning,angleread-out.Rotarystage should beorderedseparately Adapter forCH3,CH4orCH7mountingonrotarystage,15degrees O suitable foralltypesofCH3,CH4orCH7crystalovens vens T Power supplyforCH3,CH4orCH7crystal oven, wo axistiltstage,adjustmentin5degreesrange, T wo axistiltadjustment5degreesrange, fits twopc.ofCH3,CH4orCH7ovens 100-240 VAC mains,+12VDCoutput Version fortemperatureupto80°C Version fortemperatureupto80°C Version fortemperatureupto80°C Non-standard crystalsizes Non-standard crystalsizes Non-standard crystalsizes Standard crystalsizes* Standard crystalsizes* Standard crystalsizes* Description, features 48×44×26 mm 15×15×15 mm CH4-15 6 W 26 9 3.5 7.5 hermo resistor NTC hermo Binder 719,3pin 48×50×36 mm 15×15×30 mm 30-60 (80)°C 12-15 VDC mounting hole ± 0.2°C CH4-30 Present ± 5°C 15 6 W CH4 dimensions 15 48 mounting hol crystal center 48×50×56 mm 15×15×50 mm 3.5 7.5 16 CH4-50 Price, EUR 9 W e 399 180 554 501 501 450 450 568 516 476 310 70 64 44 50 2.32 CCrrystalystal Ovensvens PositionerS & HolderS Raman crystals Terahertz Crystals Laser crystals Nonlinear crystals 64 501 554 568 580 631 644 838 901 180 310 Price, EUR CH7-30 12×12×30 mm 48×50×56 mm 6 W ± 5 °C Present ± 0.2 °C 12-15 V DC FS windows 30-60 (80) °C Binder 719, 3 pin NTC Thermo resistor CH7-15 -60 °C range, °C range by the help of potentiometer. potentiometer. of help the by range °C 12×12×15 mm 48×50×44 mm he pre-set temperature can be adjusted inadjusted be can temperature pre-set The ±5 is not indicated. The current temperature ready” signal, CH7 has “temperature temperature pre-set when state changing of protection additional For reached. is the dust or other crystal surfaces from windowed ver- contamination, we offer sion CH7-20. MS-2 type mount can fit two CH3, CH4 or CH7 type ovens and is ideal for holding second and third or fourth harmonics generators. Description, features Standard crystal sizes * Standard crystal sizes * AR coated windows for crystal protection Non-standard crystal sizes Non-standard crystal sizes Version for temperature up to 80 °C Version Version for temperature up to 80 °C Version Version for temperature up to 80 °C Version crystal size limited to 10×10×20 mm 100-240 VAC mains, +12 VDC output mains, +12 VDC 100-240 VAC Fixed temperature in RT Power supply for CH3, CH4 or CH7 crystal oven, signal, with Crystals MS-1 MS-2 Code ** PS-12-CH7 CH7-15-y/z-x CH7-30-y/z-x CH7-15-y/y-x CH7-30-y/y-x CH7-20-y/y-x CH7-15-y/y-80 CH7-30-y/y-80 CH7-20-y/y-80 emperature OK output signal emperature tuning range near preset emperature tuning range near – Provides READY signal, stability ±0.2 °K, crystal length up to 15 mm CH7-15 – Provides READY * Sizes 3×3, 4×4, ...,12×12 are standard. ** y/y, y/z – crystal size, x – preset temperature in degrees of Celsius (30-60 °C range). Sealing (optional) Preset temperature Long-term stability T Maximum crystals dimensions Powering requirements Power consumption Output connector Sensor type Dimensions, W×H×D Model T – Provides READY signal, stability ±0.2 °K, crystal length up to 30 mm CH7-30 – Provides READY CH7-20 – Provides READY Power supply PS-12 Mounting stages for crystal ovens Specifications are subject to changes without advance notice. - build-in thermo with oven CH7 is compact CH7 60 °C. up to temperature for controller op- more crystal mounting oven provides Like in to CH3 or CH4. tions in comparison into adapterCO1, each crystal is mounted CO1 and CH7 oven. in insertion before Maximumcompatible. are adapters crystal andmm 12×12 is model this for size crystal – 30 mm. the length of the crystal ons Specificati ls crysta or nonlinear OVEN f d products Relate Mount MS-1 for fine tuning of CH3, CH4 or CH7 angle is available. The tuning range is ± 2.5°. 56 56 36 36 50 50 3.5 3.5 12.5 12.5 48 48 48 48 CH7 EKSMA OPTICS • Tel.: +370 5 272 99 00 • Fax: +370 5 272 92 99 • [email protected] • www.eksmaoptics.com Tel.: OPTICS • EKSMA 3.5 3.5 CH7 dimensions hole hole center center 12.5 12.5 23 23 mounting mounting crystal crystal

ystals Laser crystals Terahertz Crystals Raman crystals PositionerS & HolderS CCrrystalystal Ovensvens Nonlinear cr 2.33 Thermocontroller ● ● ● ● xternal temperatureiskeptlowbyinsulation–no ● E ast temperaturecontrolusingactivecooling ● F ● hermostat oftuningtemperature ● T emperature tuningofBragggratingwavelengths ● T ast temperaturetuningofgenerated ● F LabVIEW basedsoftwareincluded from theexperiment Crystals canbereplacedwithoutremovingtheoven 4 screwstoremoveexchangecrystals and replaced No alignmentisrequiredwhencrystalremoved need forgloves Crystal’s temperaturestabilization phase-matching nonlinearcrystals wavelengths inperiodicallyorientedandnoncritical Applications CO12 CO10 CO11 Code TC2 CO11 •CO12 TC2 •CO10 heat transferingbodyfast temperature controloven for CO10,CO11, CO12 Cooled bymountingon oven forPPLNcrystals oven forPPLNcrystals tuning PPLNcrystall temperature control temperature control Water cooledfast for PPLNcrystals Thermocontroller fast temperature Air cooledfast Description, features ovens Visit www.eksmaoptics.com fornew products andprices Price, 1468 1494 1661 EUR 926 and CO10seriesovens Precision ResistiveHeater kitTC2 Specifiations Dimensions (H×W×D), mm Set heatertemperature,°C Heating temperaturechangevelocity, °C/s* Cooling temperaturechangevelocity, °C/s* Cooling type Cooling time(190°C-50/60°C),s T General specifications: * Dependsontemperature. T Basic accuracy, °C Long termstability, °C Resolution, °C Model Heating time,s emperature controlrange,°C emperature sensortype Crystal connectors storage temperature operating temperature weight, kg TC2 controllerdimensions(H×W×D),mm max powerconsumption,W mains controllability O Oven CO12 be changedfrom50°Cto200°C. crystals with an accuracy of 0.1°C. able. Thecrystalheaterprovidestemperaturestabilizationfor dimensions of 30×16×1 mm. Custom made oven is also avail- nonlinear crystals. &PP-MgO:LN)andother (PPSLT,PPLN cally poledbulkdevices are designed specifically for tuning and conditioning the periodi- With combinationoftemperaturecontroller,CO10seriesovens Oven CO10 Oven CO11 vens The oven is designed to hold the crystal with 15-pin D-subreceptacleor9-pinplug (50-190 °C) 85×71×65 1.1-0.25 1.5-0.7 50-200 Water CO10 305 130 50 manual orviaRS232port 90-264 VAC; 50/60Hz The crystal temperature can Heating-Cooling diagramsofCO12 Heating-Cooling diagramsofCO11 Heating-Cooling diagramsofCO10 -40 °Cto+70 -15 °Cto+35 67×155×160 (60-190 °C) 95×71×65 PT1000 1.5-0.7 1.0-0.1 60-200 CO11 ±0.5 ±0.1 290 120 1.5 0.1 Air 60 45 91×90.5×56 (70-190 °C) Heatsink 1.5-0.7 70-200 CO12 1 -0.1 290 110 70

2.34 CCrrystalystal Ovensvens PositionerS & HolderS Raman crystals Terahertz Crystals Laser crystals Nonlinear crystals