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BG66

BG66.jpeg
Spectral values guaranteed
τi (514nm) ≥0.89
τi (694nm) ≤0.0015
τi (1060nm) ≤0.0002
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Download Data sheet BG66
Article Details
SCHOTT
Article
Glass type
L
W
T
Weight
 
Technical Details
Internal Transmittance (Chart)

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

SCHOTT
BG66 - BG66
Thickness
1.0
Reflection factor
0.9140
Internal Transmittance (Table)
λ [nm]
200
210
220
230
240
250
260
270
280
290
300
310
320 < 10⁻³
330 0.001
340 0.038
350 0.190
360 0.393
370 0.558
380 0.662
390 0.725
400 0.766
410 0.794
420 0.818
430 0.837
440 0.855
450 0.870
460 0.884
470 0.895
480 0.903
490 0.909
λ [nm]
500 0.909
510 0.903
520 0.887
530 0.859
540 0.816
550 0.756
560 0.677
570 0.582
580 0.478
590 0.373
600 0.272
610 0.188
620 0.122
630 0.075
640 0.043
650 0.023
660 0.012
670 0.006
680 0.003
690 0.001
700 < 10⁻³
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 < 10⁻³
1,130 < 10⁻³
1,140 < 10⁻³
1,150 < 10⁻³
1,160 < 10⁻³
1,170 0.001
1,180 0.001
1,190 0.002
1,200 0.002
1,250 0.006
1,300 0.015
1,350 0.032
1,400 0.060
1,450 0.101
1,500 0.154
1,550 0.219
1,600 0.291
1,650 0.366
1,700 0.432
1,750 0.500
1,800 0.562
1,850 0.619
1,900 0.668
1,950 0.713
2,000 0.750
2,050 0.781
2,100 0.810
2,150 0.832
λ [nm]
2,200 0.851
2,250 0.868
2,300 0.881
2,350 0.893
2,400 0.903
2,450 0.911
2,500 0.917
2,550 0.921
2,600 0.924
2,650 0.926
2,700 0.925
2,750 0.919
2,800 0.888
2,850 0.833
2,900 0.780
2,950 0.739
3,000 0.703
3,050 0.671
3,100 0.639
3,150 0.608
3,200 0.580
3,250 0.555
3,300 0.534
3,350 0.518
3,400 0.504
3,450 0.496
3,500 0.493
3,550 0.495
3,600 0.502
3,650 0.514
λ [nm]
3,700 0.530
3,750 0.541
3,800 0.535
3,850 0.498
3,900 0.437
3,950 0.370
4,000 0.291
4,050 0.196
4,100 0.109
4,150 0.056
4,200 0.030
4,250 0.018
4,300 0.016
4,350 0.017
4,400 0.015
4,450 0.012
4,500 0.009
4,550 0.007
4,600 0.007
4,650 0.008
4,700 0.013
4,750 0.022
4,800 0.033
4,850 0.048
4,900 0.066
4,950 0.091
5,000 0.120
5,050 0.149
5,100 0.171
5,150 0.181
Optical values
Reflection factor
Pd 0.914
Reference thickness
d [mm] 1
Spectral values guaranteed
τi (514nm) ≥0.89
τi (694nm) ≤0.0015
τi (1060nm) ≤0.0002
Refractive Indices n
nF (486.1 nm) = 1.544
nh (404.7 nm) = 1.552
ng (435.8 nm) = 1.549
ns (852.1 nm) = 1.532
ne (546.1 nm) = 1.541
nd (587.6 nm) = 1.539
Colorimetric evaluation
Illuminant A(Planck T = 2347K)
d [mm] 1 2 3
x 0.303 0.237 0.202
y 0.440 0.438 0.429
Y 48 33 25
λd [nm] 499 497 496
Pe 0.33 0.49 0.57
Illuminant Planck T = 3200 K
d [mm] 1 2 3
x 0.285 0.225 0.193
y 0.419 0.412 0.401
Y 50 34 26
λd [nm] 497 495 495
Pe 0.34 0.49 0.58
Illuminant D65 (TC = 6504 K)
d [mm] 1 2 3
x 0.218 0.183 0.165
y 0.313 0.297 0.286
Y 57 42 33
λd [nm] 489 489 488
Pe 0.36 0.50 0.57
Physical values
Density
p [g/cm3] 2.8512
Bubble content
Bubble class
Transformation temperature
Tg [°C] 416
Temperature coefficient
Tk [nm/°C]
Chemical Resistance
FR class
SR class 52.3
AR class 3.3
Thermal expansion
α-30°C/+70°C [10-6/K] 11.78
α20°C/300°C [10-6/K] 13.66
α20°C/200°C [10-6/K]
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