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BG62HT

BG62HT
Spectral values guaranteed
τi (405nm) ≥0.8
τi (514nm) ≥0.9
τi (633nm) ≥0.08
τi (694nm) ≤0.004
τi (1060nm) ≤0.0005
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Download Data sheet BG62HT
Technical Details
Internal Transmittance (Chart)

Only values between 1 and 30 with one decimal place are allowed.

SCHOTT
BG62HT - BG62HT
Thickness
1.0
Reflection factor
0.9140
Internal Transmittance (Table)
λ [nm]
200
210
220
230
240
250
260
270
280
290
300
310 < 10⁻³
320 < 10⁻³
330 0.006
340 0.095
350 0.304
360 0.509
370 0.642
380 0.721
390 0.769
400 0.802
410 0.826
420 0.846
430 0.863
440 0.878
450 0.892
460 0.904
470 0.912
480 0.919
490 0.925
λ [nm]
500 0.926
510 0.921
520 0.909
530 0.886
540 0.848
550 0.794
560 0.723
570 0.636
580 0.537
590 0.434
600 0.334
610 0.243
620 0.168
630 0.111
640 0.069
650 0.041
660 0.023
670 0.013
680 0.007
690 0.003
700 0.002
710 < 10⁻³
720 < 10⁻³
730 < 10⁻³
740 < 10⁻³
750 < 10⁻³
760 < 10⁻³
770 < 10⁻³
780 < 10⁻³
790 < 10⁻³
λ [nm]
800 < 10⁻³
810 < 10⁻³
820 < 10⁻³
830 < 10⁻³
840 < 10⁻³
850 < 10⁻³
860 < 10⁻³
870 < 10⁻³
880 < 10⁻³
890 < 10⁻³
900 < 10⁻³
910 < 10⁻³
920 < 10⁻³
930 < 10⁻³
940 < 10⁻³
950 < 10⁻³
960 < 10⁻³
970 < 10⁻³
980 < 10⁻³
990 < 10⁻³
1,000 < 10⁻³
1,010 < 10⁻³
1,020 < 10⁻³
1,030 < 10⁻³
1,040 < 10⁻³
1,050 < 10⁻³
1,060 < 10⁻³
1,070 < 10⁻³
1,080 < 10⁻³
1,090 < 10⁻³
λ [nm]
1,100 < 10⁻³
1,110 < 10⁻³
1,120 0.001
1,130 0.001
1,140 0.002
1,150 0.002
1,160 0.003
1,170 0.003
1,180 0.004
1,190 0.005
1,200 0.006
1,250 0.014
1,300 0.029
1,350 0.056
1,400 0.095
1,450 0.147
1,500 0.210
1,550 0.281
1,600 0.356
1,650 0.433
1,700 0.504
1,750 0.570
1,800 0.628
1,850 0.681
1,900 0.728
1,950 0.761
2,000 0.794
2,050 0.821
2,100 0.846
2,150 0.862
λ [nm]
2,200 0.876
2,250 0.886
2,300 0.901
2,350 0.908
2,400 0.914
2,450 0.921
2,500 0.920
2,550 0.921
2,600 0.921
2,650 0.920
2,700 0.917
2,750 0.906
2,800 0.863
2,850 0.785
2,900 0.712
2,950 0.655
3,000 0.607
3,050 0.564
3,100 0.522
3,150 0.483
3,200 0.448
3,250 0.417
3,300 0.392
3,350 0.371
3,400 0.356
3,450 0.346
3,500 0.342
3,550 0.345
3,600 0.352
3,650 0.366
λ [nm]
3,700 0.384
3,750 0.400
3,800 0.402
3,850 0.375
3,900 0.330
3,950 0.278
4,000 0.215
4,050 0.139
4,100 0.078
4,150 0.042
4,200 0.023
4,250 0.015
4,300 0.014
4,350 0.014
4,400 0.013
4,450 0.011
4,500 0.008
4,550 0.007
4,600 0.007
4,650 0.009
4,700 0.014
4,750 0.022
4,800 0.034
4,850 0.047
4,900 0.063
4,950 0.085
5,000 0.110
5,050 0.133
5,100 0.151
5,150 0.158
Optical values
Reflection factor
Pd 0.914
Reference thickness
d [mm] 1
Spectral values guaranteed
τi (405nm) ≥0.8
τi (514nm) ≥0.9
τi (633nm) ≥0.08
τi (694nm) ≤0.004
τi (1060nm) ≤0.0005
Refractive Indices n
nF (486.1 nm) = 1.546
nh (404.7 nm) = 1.554
ng (435.8 nm) = 1.550
ns (852.1 nm) = 1.533
ne (546.1 nm) = 1.542
nd (587.6 nm) = 1.540
Colorimetric evaluation
Illuminant A(Planck T = 2347K)
d [mm] 1 2 3
x 0.317 0.252 0.215
y 0.438 0.438 0.430
Y 52 37 28
λd [nm] 499 497 496
Pe 0.30 0.45 0.54
Illuminant Planck T = 3200 K
d [mm] 1 2 3
x 0.298 0.238 0.205
y 0.418 0.413 0.403
Y 54 39 30
λd [nm] 497 496 495
Pe 0.31 0.46 0.55
Illuminant D65 (TC = 6504 K)
d [mm] 1 2 3
x 0.226 0.191 0.172
y 0.314 0.299 0.288
Y 61 47 38
λd [nm] 489 489 488
Pe 0.33 0.47 0.55
Physical values
Density
p [g/cm3] 2.848
Bubble content
Bubble class
Transformation temperature
Tg [°C] 410
Temperature coefficient
Tk [nm/°C]
Chemical Resistance
FR class 1
SR class 52.3
AR class 3.3
Thermal expansion
α-30°C/+70°C [10-6/K] 11.79
α20°C/300°C [10-6/K] 13.65
α20°C/200°C [10-6/K]
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