Optical Filter Glass Data Sheets Table of Content Filter type Glass type Page Filter type Glass type Page Bandpass RG830 81 BG3 3 RG850 83 BG7 5 RG1000 85 BG18 7 BG25 9 Multiband BG38 11 BG36 87 BG39 13 Neutral Density BG40 15 NG1 89 BG42 17 NG3 91 BG50 19 NG4 93 BG55 21 NG5 95 BG60 23 NG9 97 BG61 25 NG11 99 BG62 27 S-8022 29 Shortpass S-8023 32 KG1 101 S-8612 35 KG2 103 VG9 37 KG3 105 KG5 107 Longpass GG395 39 UV Bandpass GG400 41 UG1 109 GG420 43 UG5 111 GG435 45 UG11 113 GG455 47 GG475 49 GG495 51 N-WG280 53 N-WG295 55 N-WG320 57 OG515 59 OG530 61 OG550 63 OG570 65 RG9 67 RG610 69 RG630 71 RG645 73 RG665 75 RG715 77 RG780 79 Status: March 2013 Data Sheet Density Notes BG3 ρ [g/cm3] 2.56 Ionically colored glass Reflection factor Bubble content Pd 0.92 Bubble class 1 Bandpass filter Reference thickness Chemical Resistance d [mm] 1 FR class 0 SR class 1.0 Spectral values guaranteed AR class 1.0 Transmission changes are possible τ i (365 nm) ≥ 0.94 under the action of intense τ i (633 nm) ≤ 0.00005 Transformation temperature ultraviolet radiation Tg [°C] 478 Thermal expansion -6 α-30/+70°C [10 /K] 8.8 -6 α20/300°C [10 /K] 10.2 -6 α20/200°C [10 /K] Refractive Index n Temperature coefficient λ [nm] Element n TK [nm/°C] All data wihout tolerances are to be 302.1 Hg 1.55 understood to be reference values. 435.8 Hg 1.52 Guaranteed values are only those 587.6 He 1.51 values listed in the section 1.014 Hg 1.50 "Spectral values guaranteed". Colorimetric evaluation Illuminant A (Planck T = 2856 K) Illuminant Planck T = 3200 K Illuminant D65 (TC = 6504 K) d [mm] 1 2 3 d [mm] 1 2 3 d [mm] 1 2 3 x 0.160 0.166 0.170 x 0.157 0.163 0.167 x 0.154 0.160 0.163 y 0.042 0.024 0.020 y 0.038 0.022 0.018 y 0.029 0.018 0.014 Y 1 0 0 Y 1 0 0 Y 2 1 0 λd [nm] 458 447 440 λd [nm] 457 447 442 λd [nm] 455 448 444 Pe 0.96 0.98 0.98 Pe 0.97 0.98 0.99 Pe 0.98 0.99 1.00 STATUS: March 2013 Page 1/2 Further explanations see 'Optical Filters 2013' catalogue 3 | Overview BG3 Internal transmittance τ i at reference thickness d = 1 mm The internal transmittance values, tabulated and graphically represented, are reference values only λ [nm] τ i λ [nm] τ i λ [nm] τ i λ [nm] τ i λ [nm] τ i λ [nm] τ i 200 < 10-5 500 4.3·10-2 800 0.990 1100 0.667 2200 0.620 3700 0.404 210 < 10-5 510 1.3·10-2 810 0.990 1110 0.615 2250 0.657 3750 0.413 220 < 10-5 520 3.2·10-3 820 0.990 1120 0.568 2300 0.701 3800 0.423 230 < 10-5 530 6.4·10-4 830 0.990 1130 0.525 2350 0.735 3850 0.433 240 1.9·10-5 540 3.0·10-4 840 0.989 1140 0.480 2400 0.754 3900 0.446 250 6.1·10-3 550 6.2·10-4 850 0.989 1150 0.432 2450 0.764 3950 0.456 260 0.103 560 1.7·10-3 860 0.989 1160 0.388 2500 0.765 4000 0.460 270 0.364 570 1.0·10-3 870 0.989 1170 0.343 2550 0.761 4050 0.456 280 0.626 580 1.1·10-4 880 0.988 1180 0.308 2600 0.756 4100 0.440 290 0.798 590 < 10-5 890 0.988 1190 0.273 2650 0.743 4150 0.417 300 0.899 600 < 10-5 900 0.988 1200 0.241 2700 0.724 4200 0.392 310 0.951 610 1.3·10-5 910 0.987 1250 0.146 2750 0.644 4250 0.367 320 0.973 620 1.6·10-5 920 0.986 1300 0.120 2800 0.587 4300 0.337 330 0.983 630 1.2·10-5 930 0.984 1350 0.141 2850 0.576 4350 0.293 340 0.986 640 < 10-5 940 0.981 1400 0.150 2900 0.572 4400 0.250 350 0.987 650 < 10-5 950 0.976 1450 0.118 2950 0.570 4450 0.200 360 0.987 660 4.7·10-5 960 0.971 1500 0.100 3000 0.562 4500 0.160 370 0.984 670 5.9·10-4 970 0.965 1550 0.100 3050 0.548 4550 0.113 380 0.981 680 1.0·10-2 980 0.957 1600 0.124 3100 0.526 4600 7.8·10-2 390 0.975 690 0.100 990 0.948 1650 0.141 3150 0.507 4650 5.6·10-2 400 0.951 700 0.359 1000 0.937 1700 0.140 3200 0.484 4700 4.2·10-2 410 0.916 710 0.655 1010 0.923 1750 0.133 3250 0.463 4750 3.5·10-2 420 0.874 720 0.846 1020 0.910 1800 0.144 3300 0.444 4800 3.2·10-2 430 0.815 730 0.938 1030 0.891 1850 0.185 3350 0.427 4850 3.1·10-2 440 0.745 740 0.976 1040 0.868 1900 0.250 3400 0.410 4900 2.7·10-2 450 0.658 750 0.986 1050 0.843 1950 0.328 3450 0.398 4950 2.0·10-2 460 0.550 760 0.988 1060 0.813 2000 0.400 3500 0.392 5000 1.1·10-2 470 0.393 770 0.989 1070 0.780 2050 0.462 3550 0.390 5050 5.1·10-3 480 0.222 780 0.990 1080 0.746 2100 0.520 3600 0.392 5100 2.0·10-3 490 9.7·10-2 790 0.990 1090 0.706 2150 0.567 3650 0.398 5150 9.1·10-4 STATUS: March 2013 Page 2/2 Further explanations see 'Optical Filters 2013' catalogue 4 | Overview Data Sheet Density Notes BG7 ρ [g/cm3] 2.61 Ionically colored glass Reflection factor Bubble content Pd 0.92 Bubble class 1 Bandpass filter Reference thickness Chemical Resistance d [mm] 1 FR class 0 SR class 1.0 Spectral values guaranteed AR class 1.0 τ i (365 nm) ≥ 0.25 τ i (488 nm) ≥ 0.78 Transformation temperature τ i (633 nm) ≤ 0.08 Tg [°C] 468 Thermal expansion -6 α-30/+70°C [10 /K] 8.5 -6 α20/300°C [10 /K] 9.9 -6 α20/200°C [10 /K] Refractive Index n Temperature coefficient λ [nm] Element n TK [nm/°C] All data wihout tolerances are to be 404.7 Hg 1.54 understood to be reference values. 587.6 He 1.52 Guaranteed values are only those values listed in the section "Spectral values guaranteed". Colorimetric evaluation Illuminant A (Planck T = 2856 K) Illuminant Planck T = 3200 K Illuminant D65 (TC = 6504 K) d [mm] 1 2 3 d [mm] 1 2 3 d [mm] 1 2 3 x 0.262 0.179 0.145 x 0.246 0.172 0.143 x 0.191 0.152 0.138 y 0.406 0.360 0.317 y 0.382 0.333 0.292 y 0.272 0.229 0.200 Y 30 14 8 Y 31 16 9 Y 38 21 13 λd [nm] 495 492 490 λd [nm] 493 490 488 λd [nm] 486 484 482 Pe 0.44 0.65 0.76 Pe 0.45 0.66 0.76 Pe 0.49 0.68 0.76 STATUS: March 2013 Page 1/2 Further explanations see 'Optical Filters 2013' catalogue 5 | Overview BG7 Internal transmittance τ i at reference thickness d = 1 mm The internal transmittance values, tabulated and graphically represented, are reference values only λ [nm] τ i λ [nm] τ i λ [nm] τ i λ [nm] τ i λ [nm] τ i λ [nm] τ i 200 < 10-5 500 0.767 800 3.0·10-3 1100 4.4·10-2 2200 0.803 3700 0.444 210 < 10-5 510 0.730 810 3.0·10-3 1110 4.8·10-2 2250 0.816 3750 0.453 220 < 10-5 520 0.679 820 3.0·10-3 1120 5.2·10-2 2300 0.827 3800 0.465 230 < 10-5 530 0.611 830 3.0·10-3 1130 5.6·10-2 2350 0.839 3850 0.478 240 < 10-5 540 0.535 840 3.1·10-3 1140 6.2·10-2 2400 0.849 3900 0.490 250 < 10-5 550 0.450 850 3.2·10-3 1150 6.7·10-2 2450 0.860 3950 0.501 260 < 10-5 560 0.369 860 3.4·10-3 1160 7.3·10-2 2500 0.870 4000 0.503 270 < 10-5 570 0.295 870 3.5·10-3 1170 7.8·10-2 2550 0.881 4050 0.495 280 < 10-5 580 0.229 880 3.7·10-3 1180 8.4·10-2 2600 0.887 4100 0.478 290 < 10-5 590 0.174 890 4.1·10-3 1190 9.0·10-2 2650 0.887 4150 0.456 300 < 10-5 600 0.131 900 4.6·10-3 1200 9.6·10-2 2700 0.875 4200 0.430 310 < 10-5 610 9.6·10-2 910 5.3·10-3 1250 0.132 2750 0.767 4250 0.400 320 4.7·10-4 620 7.0·10-2 920 6.0·10-3 1300 0.171 2800 0.691 4300 0.366 330 1.3·10-2 630 5.1·10-2 930 6.8·10-3 1350 0.215 2850 0.675 4350 0.326 340 6.6·10-2 640 3.7·10-2 940 7.7·10-3 1400 0.263 2900 0.672 4400 0.281 350 0.160 650 2.7·10-2 950 8.7·10-3 1450 0.314 2950 0.670 4450 0.230 360 0.260 660 2.1·10-2 960 9.8·10-3 1500 0.363 3000 0.654 4500 0.177 370 0.349 670 1.5·10-2 970 1.1·10-2 1550 0.413 3050 0.628 4550 0.128 380 0.435 680 1.1·10-2 980 1.2·10-2 1600 0.462 3100 0.602 4600 9.0·10-2 390 0.504 690 8.6·10-3 990 1.4·10-2 1650 0.508 3150 0.574 4650 6.4·10-2 400 0.561 700 6.9·10-3 1000 1.6·10-2 1700 0.550 3200 0.546 4700 4.6·10-2 410 0.614 710 5.6·10-3 1010 1.8·10-2 1750 0.589 3250 0.517 4750 3.6·10-2 420 0.657 720 4.7·10-3 1020 2.0·10-2 1800 0.624 3300 0.493 4800 3.1·10-2 430 0.695 730 4.0·10-3 1030 2.2·10-2 1850 0.656 3350 0.472 4850 2.9·10-2 440 0.728 740 3.6·10-3 1040 2.4·10-2 1900 0.685 3400 0.451 4900 2.7·10-2 450 0.754 750 3.3·10-3 1050 2.6·10-2 1950 0.712 3450 0.438 4950 2.0·10-2 460 0.776 760 3.2·10-3 1060 2.9·10-2 2000 0.737 3500 0.433 5000 1.3·10-2 470 0.788 770 3.1·10-3 1070 3.3·10-2 2050 0.757 3550 0.432 5050 6.3·10-3 480 0.794 780 3.0·10-3 1080 3.6·10-2 2100 0.774 3600 0.434 5100 2.8·10-3 490 0.788 790 3.0·10-3 1090 4.1·10-2 2150 0.789 3650 0.438 5150 1.2·10-3 STATUS: March 2013 Page 2/2 Further explanations see 'Optical Filters 2013' catalogue 6 | Overview Data Sheet Density Notes BG18 ρ [g/cm3] 2.68 Ionically colored glass Reflection factor Bubble content Pd 0.91 Bubble class 2 Bandpass filter / shortpass filter Reference thickness Chemical Resistance d [mm] 1 FR class 0 SR class 2.0 Spectral values guaranteed AR class 2.0 τ i (350 nm) ≥ 0.3 τ i (405 nm) ≥ 0.65 Transformation temperature τ i (514 nm) ≥ 0.88 Tg [°C] 482 τ i (633 nm) ≤ 0.25 τ i (694 nm) ≤ 0.03 Thermal expansion -6 τ i (1060 nm) ≤ 0.0005 α-30/+70°C [10 /K] 7.4 -6 α20/300°C [10 /K] 8.8 -6 α20/200°C [10 /K] Refractive Index n Temperature coefficient λ [nm] Element n TK [nm/°C] All data wihout tolerances are to be 404.7 Hg 1.55 understood to be reference values.