1. Home
  2. Products
  3. Optical Filter Glass
  4. Matt Filter Plates
  5. Bandpass (UV-blue)
  6. BG46

BG46

BG46
Spectral values guaranteed
τi (514nm) ≥0.89
τi (700nm) ≤0.0001
Need help or a quote?
CONTACT OUR SUPPORT
Technical Details
Internal Transmittance (Chart)

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

SCHOTT
BG46 - BG46
Thickness
1.0
Reflection factor
0.9100
Internal Transmittance (Table)
λ [nm]
200
210
220
230
240
250
260
270
280
290
300 < 10⁻³
310 < 10⁻³
320 0.002
330 0.049
340 0.181
350 0.323
360 0.428
370 0.503
380 0.563
390 0.614
400 0.650
410 0.683
420 0.707
430 0.731
440 0.752
450 0.771
460 0.795
470 0.816
480 0.842
490 0.866
λ [nm]
500 0.889
510 0.902
520 0.908
530 0.895
540 0.862
550 0.807
560 0.727
570 0.621
580 0.501
590 0.373
600 0.258
610 0.161
620 0.091
630 0.047
640 0.021
650 0.009
660 0.003
670 0.001
680 < 10⁻³
690 < 10⁻³
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 < 10⁻³
1,180 < 10⁻³
1,190 < 10⁻³
1,200 < 10⁻³
1,250 < 10⁻³
1,300 < 10⁻³
1,350 < 10⁻³
1,400 0.003
1,450 0.008
1,500 0.021
1,550 0.045
1,600 0.082
1,650 0.133
1,700 0.198
1,750 0.272
1,800 0.349
1,850 0.426
1,900 0.499
1,950 0.566
2,000 0.625
2,050 0.676
2,100 0.720
2,150 0.756
λ [nm]
2,200 0.776
2,250 0.794
2,300 0.814
2,350 0.834
2,400 0.849
2,450 0.859
2,500 0.858
2,550 0.845
2,600 0.828
2,650 0.822
2,700 0.804
2,750 0.742
2,800 0.454
2,850 0.240
2,900 0.149
2,950 0.104
3,000 0.078
3,050 0.061
3,100 0.050
3,150 0.042
3,200 0.037
3,250 0.033
3,300 0.032
3,350 0.032
3,400 0.034
3,450 0.037
3,500 0.041
3,550 0.048
3,600 0.056
3,650 0.064
λ [nm]
3,700 0.069
3,750 0.067
3,800 0.057
3,850 0.046
3,900 0.033
3,950 0.020
4,000 0.012
4,050 0.008
4,100 0.005
4,150 0.003
4,200 0.003
4,250 0.002
4,300 0.003
4,350 0.005
4,400 0.008
4,450 0.011
4,500 0.013
4,550 0.016
4,600 0.020
4,650 0.025
4,700 0.031
4,750 0.037
4,800 0.042
4,850 0.047
4,900 0.050
4,950 0.051
5,000 0.048
5,050 0.040
5,100 0.029
5,150 0.017
Optical values
Reflection factor
Pd 0.910
Reference thickness
d [mm] 1
Spectral values guaranteed
τi (514nm) ≥0.89
τi (700nm) ≤0.0001
Refractive Indices n
nF (486.1 nm) = 1.561
nh (404.7 nm) = 1.573
ng (435.8 nm) = 1.567
ns (852.1 nm) = 1.547
ne (546.1 nm) = 1.557
nd (587.6 nm) = 1.554
Colorimetric evaluation
Illuminant A(Planck T = 2347K)
d [mm] 1 2 3
x 0.302 0.246 0.216
y 0.457 0.475 0.487
Y 49 35 27
λd [nm] 501 501 501
Pe 0.33 0.46 0.53
Illuminant Planck T = 3200 K
d [mm] 1 2 3
x 0.285 0.234 0.207
y 0.438 0.452 0.463
Y 51 37 29
λd [nm] 499 499 499
Pe 0.33 0.46 0.52
Illuminant D65 (TC = 6504 K)
d [mm] 1 2 3
x 0.221 0.191 0.175
y 0.333 0.340 0.351
Y 58 45 36
λd [nm] 492 493 493
Pe 0.33 0.44 0.49
Physical values
Density
p [g/cm3] 2.7917
Bubble content
Bubble class
Transformation temperature
Tg [°C] 386
Temperature coefficient
Tk [nm/°C]
Chemical Resistance
FR class 0
SR class 4.0
AR class 4.3
Thermal expansion
α-30°C/+70°C [10-6/K] 8.09
α20°C/300°C [10-6/K] 9.98
α20°C/200°C [10-6/K]
Back