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BG63

A NIR cutoff filter with high humidity resistance.

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BG63
Spectral values guaranteed
τi (405nm) ≥0.95
τi (514nm) ≥0.96
τi (633nm) ≥0.5
τi (694nm) ≤0.25
τi (1060nm) ≤0.16
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Download Data sheet BG63
Technical Details
Internal Transmittance (Chart)

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

SCHOTT
BG63 - BG63
Thickness
1.0
Reflection factor
0.9160
Internal Transmittance (Table)
λ [nm]
200
210
220
230
240
250
260
270
280
290
300 < 10⁻³
310 0.002
320 0.070
330 0.327
340 0.619
350 0.809
360 0.902
370 0.944
380 0.964
390 0.975
400 0.980
410 0.983
420 0.985
430 0.987
440 0.988
450 0.990
460 0.991
470 0.992
480 0.992
490 0.992
λ [nm]
500 0.991
510 0.988
520 0.984
530 0.976
540 0.964
550 0.947
560 0.923
570 0.893
580 0.854
590 0.808
600 0.754
610 0.694
620 0.630
630 0.563
640 0.498
650 0.434
660 0.373
670 0.318
680 0.270
690 0.227
700 0.190
710 0.159
720 0.134
730 0.113
740 0.097
750 0.082
760 0.071
770 0.063
780 0.056
790 0.051
λ [nm]
800 0.048
810 0.045
820 0.043
830 0.042
840 0.041
850 0.041
860 0.041
870 0.041
880 0.042
890 0.044
900 0.046
910 0.049
920 0.052
930 0.054
940 0.058
950 0.061
960 0.065
970 0.070
980 0.075
990 0.080
1,000 0.085
1,010 0.093
1,020 0.099
1,030 0.106
1,040 0.112
1,050 0.120
1,060 0.128
1,070 0.135
1,080 0.144
1,090 0.152
λ [nm]
1,100 0.162
1,110 0.171
1,120 0.181
1,130 0.191
1,140 0.202
1,150 0.212
1,160 0.224
1,170 0.235
1,180 0.247
1,190 0.259
1,200 0.273
1,250 0.340
1,300 0.412
1,350 0.484
1,400 0.548
1,450 0.614
1,500 0.675
1,550 0.727
1,600 0.770
1,650 0.808
1,700 0.839
1,750 0.863
1,800 0.882
1,850 0.899
1,900 0.911
1,950 0.920
2,000 0.928
2,050 0.934
2,100 0.939
2,150 0.941
λ [nm]
2,200 0.941
2,250 0.939
2,300 0.939
2,350 0.939
2,400 0.939
2,450 0.936
2,500 0.932
2,550 0.935
2,600 0.928
2,650 0.921
2,700 0.910
2,750 0.888
2,800 0.809
2,850 0.681
2,900 0.573
2,950 0.494
3,000 0.433
3,050 0.379
3,100 0.330
3,150 0.286
3,200 0.249
3,250 0.219
3,300 0.195
3,350 0.177
3,400 0.164
3,450 0.156
3,500 0.153
3,550 0.156
3,600 0.163
3,650 0.175
λ [nm]
3,700 0.192
3,750 0.209
3,800 0.217
3,850 0.206
3,900 0.180
3,950 0.149
4,000 0.111
4,050 0.067
4,100 0.035
4,150 0.017
4,200 0.009
4,250 0.006
4,300 0.006
4,350 0.007
4,400 0.007
4,450 0.005
4,500 0.004
4,550 0.004
4,600 0.004
4,650 0.005
4,700 0.008
4,750 0.015
4,800 0.023
4,850 0.031
4,900 0.041
4,950 0.054
5,000 0.068
5,050 0.081
5,100 0.089
5,150 0.092
Optical values
Reflection factor
Pd 0.916
Reference thickness
d [mm] 1
Spectral values guaranteed
τi (405nm) ≥0.95
τi (514nm) ≥0.96
τi (633nm) ≥0.5
τi (694nm) ≤0.25
τi (1060nm) ≤0.16
Refractive Indices n
nF (486.1 nm) = 1.538
nh (404.7 nm) = 1.546
ng (435.8 nm) = 1.542
ns (852.1 nm) = 1.525
ne (546.1 nm) = 1.534
nd (587.6 nm) = 1.532
Colorimetric evaluation
Illuminant A(Planck T = 2347K)
d [mm] 1 2 3
x 0.403 0.366 0.336
y 0.420 0.428 0.432
Y 76 66 59
λd [nm] 500 499 499
Pe 0.10 0.19 0.26
Illuminant Planck T = 3200 K
d [mm] 1 2 3
x 0.380 0.344 0.316
y 0.408 0.412 0.414
Y 77 68 60
λd [nm] 498 497 497
Pe 0.11 0.19 0.27
Illuminant D65 (TC = 6504 K)
d [mm] 1 2 3
x 0.280 0.255 0.237
y 0.325 0.319 0.313
Y 81 73 67
λd [nm] 490 489 489
Pe 0.12 0.22 0.29
Physical values
Density
p [g/cm3] 2.7855
Bubble content
Bubble class
Transformation temperature
Tg [°C] 416
Temperature coefficient
Tk [nm/°C]
Chemical Resistance
FR class 1.0
SR class 52.3
AR class 3.3
Thermal expansion
α-30°C/+70°C [10-6/K] 11.91
α20°C/300°C [10-6/K] 13.93
α20°C/200°C [10-6/K]
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