BG62

BG62

A NIR cutoff filter with high humidity resistance.

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*product image is exemplary.

Spectral values guaranteed
τi (405nm) ≥0.73
τi (514nm) ≥0.89
τi (633nm) ≥0.08
τi (694nm) ≤0.005
τi (1060nm) ≤0.0005

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

SCHOTT
BG62 - BG62
Thickness
1.0
Reflection factor
0.9150
λ [nm]
200
210
220
230
240
250
260
270
280
290
300
310
320 < 10⁻³
330 0.005
340 0.080
350 0.261
360 0.438
370 0.559
380 0.636
390 0.686
400 0.724
410 0.755
420 0.782
430 0.805
440 0.826
450 0.846
460 0.862
470 0.876
480 0.888
490 0.897
λ [nm]
500 0.901
510 0.900
520 0.890
530 0.870
540 0.836
550 0.786
560 0.718
570 0.633
580 0.536
590 0.435
600 0.335
610 0.245
620 0.169
630 0.112
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 0.055
1,400 0.094
1,450 0.147
1,500 0.211
1,550 0.283
1,600 0.359
1,650 0.433
1,700 0.503
1,750 0.569
1,800 0.627
1,850 0.678
1,900 0.722
1,950 0.760
2,000 0.793
2,050 0.820
2,100 0.843
2,150 0.862
λ [nm]
2,200 0.876
2,250 0.886
2,300 0.896
2,350 0.905
2,400 0.913
2,450 0.918
2,500 0.919
2,550 0.921
2,600 0.921
2,650 0.921
2,700 0.918
2,750 0.907
2,800 0.858
2,850 0.770
2,900 0.689
2,950 0.627
3,000 0.575
3,050 0.529
3,100 0.485
3,150 0.443
3,200 0.406
3,250 0.375
3,300 0.349
3,350 0.328
3,400 0.313
3,450 0.304
3,500 0.300
3,550 0.303
3,600 0.312
3,650 0.326
λ [nm]
3,700 0.345
3,750 0.362
3,800 0.365
3,850 0.342
3,900 0.300
3,950 0.252
4,000 0.194
4,050 0.123
4,100 0.068
4,150 0.035
4,200 0.019
4,250 0.013
4,300 0.012
4,350 0.013
4,400 0.012
4,450 0.010
4,500 0.008
4,550 0.006
4,600 0.006
4,650 0.008
4,700 0.013
4,750 0.020
4,800 0.030
4,850 0.042
4,900 0.055
4,950 0.072
5,000 0.092
5,050 0.111
5,100 0.125
5,150 0.132
Reflection factor
Pd 0.915
Reference thickness
d [mm] 1
Spectral values guaranteed
τi (405nm) ≥0.73
τi (514nm) ≥0.89
τi (633nm) ≥0.08
τi (694nm) ≤0.005
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 0.321 0.257 0.220
y 0.441 0.447 0.445
Y 52 36 27
λd [nm] 499 498 498
Pe 0.29 0.44 0.52
Illuminant Planck T = 3200 K
d [mm] 1 2 3
x 0.302 0.243 0.210
y 0.422 0.423 0.419
Y 53 38 29
λd [nm] 498 497 496
Pe 0.30 0.44 0.53
Illuminant D65 (TC = 6504 K)
d [mm] 1 2 3
x 0.229 0.194 0.175
y 0.320 0.311 0.305
Y 60 45 36
λd [nm] 490 490 489
Pe 0.31 0.45 0.52
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] 11.92
α20°C/300°C [10-6/K] 13.62
α20°C/200°C [10-6/K]