LightWire Series Ultrafast Fiber

FPS200 1064 nm, 200 mW, 50 nJ 9 ps, 20 kHz – 40 MHz FFS100CHI 1030 nm, 50 mW, 8 nm 7 ps (chirped pulse), 50 MHz compressible down to <300 fs FFS200 1064 nm, 200 mW, 5 nJ, <130 fs, 40 MHz

2020 LightWire series

The LightWire fiber lasers feature LightWire FPS and FFS series fiber enables amplification of pulses with turn-key operation, monolithic design lasers are dedicated for seeding solid <300 fs compressed duration. and require no maintenance making state (Nd:YAG, Yb:YAG) amplifiers. Special feature of FFS200CHI is it a preferred alternative to the solid Compact, cost efficient FPS series customizable chirp profile to match state counterparts in the industrial models deliver sub-10 ps pulses at compressor design of the CPA system. settings and multidisciplinary 1064 nm wavelength with the average LightWire FP and FF series lasers research laboratories. Different output power up to 200 mW and are dedicated for researchers and versions, featuring femtosecond pulse energy up to 50 nJ. They feature OEM integrators, who require small, and picosecond pulse durations are narrow close to bandwidth limited convenient and maintenance free available. spectrum and low pulse amplitude sources with bandwidth limited noise. Wavelength tunability ensures picosecond pulses or sub-150 fs that seed pulses are always spectrally femtosecond pulses. Widely tunable overlapped with the amplification pulse repetition rate 20 kHz – 40 MHz spectrum of your amplifier. FFS makes it an excellent choice for series models are specially designed non-linear microscopy, time-resolved for femtosecond CPA systems. , terahertz spectroscopy, Ekspla offers FFS lasers either with ultrafast metrology applications. femtosecond pulse duration directly FP200 model is available with second from fiber, or with chirped pulses. harmonic (532 nm) option. Broad up to 12 nm spectral bandwidth

SPECIFICATIONS FOR STANDARD LASER CONFIGURATIONS Not all output specifications may be available simultaneously. Please refer to the catalog page for exact specifications and available options.

Model Central wavelength Pulse duration Output power Pulse energy Repetition rate Page

1064 nm FPS10 2.3±0.3 ps 1.5 mW 37 pJ 40 MHz 3 tunable ±0.2 nm

1064 nm FPS100 7±1 ps 80 mW 2 nJ 40 MHz 3 tunable ±0.2 nm

1064 nm FPS200 9±1 ps 200 mW 50 nJ 20 kHz – 40 MHz 3 tunable ±0.2 nm

7±2 ps FFS100CHI 1030 nm 50 mW 1 nJ 52 MHz 6 (linearly chirped)

>50 ps FFS200CHI 1030 nm 200 mW 250 nJ 200 kHz – 52 MHz 6 (custom chirp profile)

FFS200 1064 nm <130 fs 200 mW 5 nJ 40 MHz 6

REV. 20200612 SAVANORIU AV. 237, LT-02300 , TEL +370 5 2649629 E - MAIL [email protected] WWW.EKSPLA.COM 1 ULTRAFAST FIBER LASERS LightWire Series

TABLE REPRESENTING PULSE CONTROL TECHNOLOGY IMPLEMENTED IN VARIOUS FIBER LASER MODELS AND MODIFICATIONS

Oscillator + frequency Model Oscillator only Oscillator + frequency divider + amplifier divider

FPS10 ■

FPS10-AOM ■

FPS100 ■

FPS100-AOM ■

FPS200 ■

FFS100CHI ■

FFS100CHI-AOM ■

FFS200CHI ■

FFS200 ■

FFS200-AOM ■ ■

ORDERING INFORMATION FOR FPS AND FFS SERIES

FPS 100–AOM–CS–L3–M0–C9–WL FFS 100 CHI–AOM–CS–L3–M0–C9–WL

Model Control interfaces: Model Control interfaces: — → standard — → standard interfaces interfaces Power version: Power version: WL → standard WL → standard 10 → 1.5 mW 100 → 50 mW interfaces interfaces 100 → 80 mW 200 → 200 mW + WLAN + WLAN 200 → 200 mW Optical output: Optical output: Pulse picker option: FC → FC/APC fiber output FC → FC/APC fiber — → no pulse C9 → 0.9 mm Pulse chirp: — → output picker collimated beam no chirp → C9 → 0.9 mm AOM → acousto-optical C13 → 1.3 mm CHI linearly chirped collimated beam modulator collimated beam C21 → 2.1 mm C13 → 1.3 mm collimated beam collimated beam Pulse picker option: C21 → 2.1 mm SESAM type: — → no pulse CS → non rotatable collimated beam Mounting type: picker – → rotatable M0 → compact AOM → acousto-optical M1 → 19” rack mountable modulator Mounting type: M0 → compact Fiber length: M1 → 19” rack mountable L1 → 1 m L2 → 2 m SESAM type: Fiber length: L3 → 3 m CS → non rotatable L1 → 1 m L5 → 5 m – → rotatable L2 → 2 m L3 → 3 m Note: L5 → 5 m For FPS200 model maximal fiber length is 3 m. Note: For FFS200CHI model maximal fiber length is 3 m. For FFS200 model maximal fiber length is 1.4 m.

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LightWire Compact Fiber Seeders for FPS series Picosecond Lasers

FEATURES

▶ Pulse energy >50 nJ at repetition rate <1 MHz

▶ Sub-10 ps pulse duration

▶ Close to Fourier-transform limited spectral bandwidth

▶ Integrated fiber pulse picker for flexible repetition rate control (20 kHz – 40 MHz, burst mode available)

APPLICATIONS

▶ Seeding solid state amplifiers

LightWire FPS series fiber lasers energy up to 50 nJ. They feature are dedicated for seeding solid narrow close to bandwidth limited state Nd:YAG amplifiers. Compact, spectrum and low pulse amplitude cost efficient FPS series models noise. Wavelength tunability ensures deliver sub‑10 ps pulses at 1064 nm that seed pulses are always spectrally wavelength with the average output overlapped with the amplification power up to 200 mW and pulse spectrum of your amplifier.

1.0 FWHM = 0.62 nm 1.0 FWHM = 0.38 nm τ= 2.1 ps τ = 5.8 ps

.

. 0.8 0.8

0.6 0.6

0.4 0.4

Relative intensity, a.u

Relative intensity, a.u

0.2 0.2

0.0 0.0 1061 1062 1063 1064 1065 1066 1067 1062 1063 1064 1065 1066 Wavelength, nm Wavelength, nm

Typical spectrum from FPS10 laser Typical spectrum from FPS100 laser

REV. 20200612 SAVANORIU AV. 237, LT-02300 VILNIUS, LITHUANIA TEL +370 5 2649629 E - MAIL [email protected] WWW.EKSPLA.COM 3 ULTRAFAST FIBER LASERS LightWire FPS

SPECIFICATIONS ¹⁾ Model FPS10 FPS100 FPS200 Central wavelength 1064 nm, tunable ±0.2 nm Pulse duration 2.3 ± 0.3 ps 7 ± 1 ps 9 ± 1 ps Spectral bandwidth 0.7 ± 0.2 nm 0.4 ± 0.1 nm 0.25 ± 0.05 nm Oscillator pulse repetition rate 40 ± 2 MHz

Pulse repetition rate with pulse picker ²⁾ 20 kHz – 40 MHz (PRR = PRRosc / N, N = 1, 4, 5, ..., 2000) > 200 mW at 10 MHz Output power > 1.5 mW / > 0.7 mW > 80 mW / > 40 mW > 40 mW at 1 MHz (without/with pulse picker) > 5 mW at 100 kHz Pulse energy > 50 nJ at repetition > 37 pJ / > 18 pJ > 2 nJ / > 1 nJ (without/with pulse picker) rates < 200 kHz Polarization linear, > 100:1 extinction FC/APC connector or collimator with mounting flange Optical output collimator & isolator node ³⁾ (optional) Output fiber length up to 5 m up to 3 m 0.9 ± 0.1 mm or 1.3 ± 0.1 mm Collimated beam diameter 0.9 ± 0.1 mm or 2.1 ± 0.2 mm Beam height NA 38 mm Beam quality M² < 1.1 photodiode output for oscillator train, Pulse train monitoring TTL synch pulse for laser output (when pulse picker included) Dimensions of collimator (D × L) Ø33 × 11.76 mm Control interface USB, CAN, RS232, LAN, (WLAN option) Power supply (AC/DC adapter included) 100 – 240 V, 50 – 60 Hz AC Power consumption maximal 230 W (typical 60 W) Operating conditions 10 – 30 °C, humidity – not condensing

1) Due to continuous improvement all specifications are subject to change without notice. 2) Pulse picker is an option for FPS10, FPS100 models. It supports external gating. FPS200 includes internal pulse picker. DANGER 3) FPS200 model is provided with collimator & isolator node with dimensions 138×66.6×52 mm.

VISIBLE AND/OR INVISIBLE LASER RADIATION AVOID EYE OR SKIN EXPOSURE TO DIRECT REFLECTED OR SCATTERED RADIATION

Yb:Fiber, 970 – 1100 nm Max. 500 mW, pulse 100 fs CLASS IV LASER PRODUCT

PERFORMANCE

100 2.0 1.0

. 0.8 10 1.5

0.6 energy 1 1.0

0.4 Energy, nJ

Relative intensity, a.u power Output power, mW 0.1 0.5 0.2

0.0 0.01 0.0 1062 1063 1064 1065 1066 100 1000 10000 Wavelength, nm Repetition rate, kHz

Typical spectrum from FPS200 laser Typical depedence of average power (blue curve) and pulse energy (red curve) on the repetition rate for FPS100-AOM laser

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300 60 1.0 Autocorrelation function 250 energy 50 0.8 Gaussian fit 200 40 τpulse = 8.9 ps 0.6 150 30

Energy, nJ 0.4 100 20

Output power, mW

Relative intensity, a.u. power 0.2 50 10

0.0 0 0 -30 -20 -10 0 10 20 30 100 1000 10000 Delay, ps Repetition rate, kHz

Typical autocorrelation curve of FPS200 laser Typical depedence of average power (blue curve) and pulse energy (red curve) on the repetition rate for FPS200 laser

DRAWINGS 257 105 226

482 315 135. 8 88 95

449

Ø6.7 5 126 145 315

36

LightWire FPS series control unit outline drawing LighWire FPS series "Compact" version drawing. (19" rack mountable version) Example only. Actual dimensions depends on a selected laser configuration and options. Please enquire

Three Ø3.18 mm thru holes 120° apart on a 29.21 mm 121.1 diameter bolt circle 52 104 66. 6 61. 8 Ø2 0 Ø3 3

38 6.5 38

8.89 127 Three 0-80 tapped holes 11.76 138 120° apart on a 29.21 mm diameter bolt circle 17.15 Ø6.5 LightWire FPS10/100 laser collimator LightWire FPS200 laser flange outline drawing for beam isolator & collimator node All dimensions diameters 0.9 mm and 1.3 mm outline drawing are in millimetres.

~27.15

Ø33.25±0.25 Ø20.09±0.08 LightWire FPS10/100 laser collimator flange outline drawing for beam 33 mm OD flange diameter 2.1 mm

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LightWire Compact Fiber Seeders for FFS series Femtosecond Lasers

FEATURES

▶ Pulse energy > 250 nJ at repetition rate < 200 kHz

▶ Compressed or chirped broadband pulses

▶ Down to 300 fs pulses available after compression (for FFS100CHI and FFS200CHI)

▶ Pulse duration < 130 fs (for FFS200)

APPLICATIONS

▶ Seeding femtosecond CPA systems

▶ Ultrafast spectroscopy

▶ Time-domain terahertz LightWire FFS series fiber lasers are bandwidth enables amplification spectroscopy dedicated for seeding solid state of pulses with < 300 fs compressed femtosecond Yb:YAG based CPA duration. Special feature of FFS200CHI systems. Ekspla offers FFS lasers either laser is customizable chirp profile to with femtosecond pulse duration match compressor design of the CPA directly from fiber, or with chirped system. pulses. Broad up to 12 nm spectral

30 0.8 300 0.7 25 250 0.6 20 energy 200 0.5

15 0.4 150

Energy, nJ 0.3 10

100 Output power, mW

Output power, mW power 0.2 50 5 0.1

0 0 0.0 0.1 1 10 0 10 20 30 40 50 Repetition rate, MHz Repetition rate, MHz

Typical depedence of average power on the Typical depedence of average power repetition rate for FFS200CHI laser (blue curve) and pulse energy (red curve) on the repetition rate for FFS100CHI-AOM laser

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SPECIFICATIONS ¹⁾ Model FFS100CHI FFS200CHI FFS200 Central wavelength 1030 ± 1 nm 1064 nm Spectral bandwidth 8 ± 1 nm up to 12 nm 30 nm (typical) Pulse duration from the laser 7 ± 2 ps (chirped) > 50 ps (chirped) < 130 fs Compressed pulse duration <300 fs down to 300 fs NA Chirp profile linear custom ²⁾ NA Oscillator pulse repetition rate 52 ± 3 MHz 40 ± 2 MHz 26 kHz – 52 MHz 200 kHz – 52 MHz 20 kHz – 40 MHz Pulse repetition rate with pulse picker ³⁾ (PRR = PRRosc / N, (PRR = PRRosc / N, (PRR = PRRosc / N, N = 1, 5, 6, ..., 2000) N = 1, 5, 6, ..., 2000) N = 1, 4, 5, ..., 2000) > 200 mW at 10 MHz Output power > 50 mW / > 25 mW > 100 mW at 1 MHz > 200 mW / > 100 mW (without/with pulse picker) > 25 mW at 100 kHz Pulse energy > 250 nJ at repetition rates > 1 nJ / > 0.5 nJ > 5 nJ / > 2.5 nJ (without/with pulse picker) < 200 kHz Polarization linear, > 100:1 extinction linear, > 10:1 extinction FC/APC connector or collimator FC/PC connector ⁵⁾ or Optical output collimator & isolator node ⁴⁾ with mounting flange (optional) collimated beam (optional) Output fiber length up to 5 m up to 3 m up to 1.4 m 0.9 ± 0.1 mm or 1.3 ± 0.1 mm Beam diameter 0.9 ± 0.1 mm 2 ± 0.2 mm or 2.1 ± 0.2 mm Beam height NA 38 mm NA Beam quality M² < 1.1 M² < 1.5 photodiode output for oscillator train, Pulse train monitoring TTL synch pulse for laser output (when pulse picker included) Dimensions of collimator (D × L) Ø33.02 × 11.76 mm Control interface USB, CAN, RS232, LAN, (WLAN optional) Power supply (AC/DC adapter included) 100 – 240 V, 50 – 60 Hz AC Power consumption maximal 230 W (typical 60 W) Operating conditions 10 – 30 °C, humidity – not condensing

1) Due to continuous improvement all specifications are subject to change without notice. DANGER 1.0 2) Chirp profile will be optimized by Ekspla to match

customer compressor design. VISIBLE AND/OR INVISIBLE LASER RADIATION AVOID EYE OR SKIN EXPOSURE TO DIRECT 3) REFLECTED OR SCATTERED RADIATION 0.8 Pulse picker is an option for FFS100 and FFS200 Yb:Fiber, 970 – 1100 nm models. It supports external gating. FFS200CHI Max. 500 mW, pulse 100 fs CLASS IV LASER PRODUCT includes internal frequency divider, which enables 0.6 pulse repetition rate reduction but does not support external gating. 0.4 4) FFS200CHI model is provided with collimator & Relative intensity, a.u. isolator node with dimensions 138×66.6×52 mm. 0.2 5) The connector is not suitable to connect with single mode fiber. 0.0 1024 1026 1028 1030 1032 1034 1036 Wavelength, nm

Typical spectrum from FFS200CHI laser

1.0 Autocorrelation 1.0 FWHM = 9.1 nm function Gaussian fit 0.8 0.8

τpulse = 298 fs 0.6 0.6

0.4 0.4

Relative intensity, a.u.

Relative intensity, a.u.

0.2 0.2

0.0 0.0 -800 -600 -400 -200 0 200 400 600 800 1015 1020 1025 1030 1035 1040 1045 Delay, fs Wavelength, nm Typical FPS100CHI compressed pulse autocorrelation Typical spectrum from FFS100CHI laser

REV. 20200612 SAVANORIU AV. 237, LT-02300 VILNIUS, LITHUANIA TEL +370 5 2649629 E - MAIL [email protected] WWW.EKSPLA.COM 7 ULTRAFAST FIBER LASERS LightWire FFS

1.0 1.0 Autocorrelation function

. . Gaussian fit 0.8 0.8

τpulse = 130 fs 0.6 0.6

0.4 0.4

Relative intensity, a.u

Relative intensity, a.u

0.2 0.2

0.0 0.0 1040 1050 1060 1070 1080 -0.75 -0.50 -0.25 0.00 0.25 0.50 0.75 Wavelength, nm Delay, ps

Typical spectrum from FFS200 laser Typical autocorrelation from FFS200 laser

DRAWINGS 257 105 226

482 315 135. 8 88 95

449

Ø6.7 5 126 145 315

36

LightWire FFS series control unit outline drawing LighWire FFS series "Compact" version drawing. (19" rack mountable version) Example only. Actual dimensions depends on a selected laser configuration and options. Please enquire

Three Ø3.18 mm thru holes 120° apart on a 29.21 mm 121.1 diameter bolt circle 52 104 66. 6 61. 8 Ø2 0 Ø3 3

38 6.5 38

8.89 127 Three 0-80 tapped holes 11.76 138 120° apart on a 29.21 mm diameter bolt circle 17.15 Ø6.5 LightWire FFS100CHI laser collimator LightWire FFS200CHI laser flange outline drawing for beam isolator & collimator unit diameters 0.9 mm and 1.3 mm outline drawing

~27.15

Ø33.25±0.25 Ø20.09±0.08

LightWire FFS100CHI/200 laser collimator All dimensions flange outline drawing for beam diameter are in millimetres. 33 mm OD flange 2.1/2.0 mm

8 SAVANORIU AV. 237, LT-02300 VILNIUS, LITHUANIA TEL +370 5 2649629 E - MAIL [email protected] WWW.EKSPLA.COM REV. 20200612 Savanorių Av. 237 LT-02300 Vilnius Tailored for consistency Lithuania Find local distributor at www.ekspla.com ph. +370 5 264 96 29 fax +370 5 264 18 09 [email protected] ISO9001 Certified www.ekspla.com

Revision number – 20200612