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RG830

A longpass filter with low transmission in short wavelengths range and high transmission in long wavelength ranges. They seperate visible from infrared light.

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RG830
Spectral values guaranteed
λs (τi = 0.00001) [nm] 670
λc (τi = 0.5) [nm] 830 ± 9
λp1 (τi = 0.92) [nm] 950
λp2 (τi = 0.97) [nm] 950
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Download Data sheet RG830
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
RG830 - RG830
Thickness
3.0
Reflection factor
0.9087
Internal Transmittance (Table)
λ [nm]
200 < 10⁻³
210 < 10⁻³
220 < 10⁻³
230 < 10⁻³
240 < 10⁻³
250 < 10⁻³
260 < 10⁻³
270 < 10⁻³
280 < 10⁻³
290 < 10⁻³
300 < 10⁻³
310 < 10⁻³
320 < 10⁻³
330 < 10⁻³
340 < 10⁻³
350 < 10⁻³
360 < 10⁻³
370 < 10⁻³
380 < 10⁻³
390 < 10⁻³
400 < 10⁻³
410 < 10⁻³
420 < 10⁻³
430 < 10⁻³
440 < 10⁻³
450 < 10⁻³
460 < 10⁻³
470 < 10⁻³
480 < 10⁻³
490 < 10⁻³
λ [nm]
500 < 10⁻³
510 < 10⁻³
520 < 10⁻³
530 < 10⁻³
540 < 10⁻³
550 < 10⁻³
560 < 10⁻³
570 < 10⁻³
580 < 10⁻³
590 < 10⁻³
600 < 10⁻³
610 < 10⁻³
620 < 10⁻³
630 < 10⁻³
640 < 10⁻³
650 < 10⁻³
660 < 10⁻³
670 < 10⁻³
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 0.002
790 0.008
λ [nm]
800 0.030
810 0.099
820 0.260
830 0.490
840 0.699
850 0.837
860 0.919
870 0.958
880 0.977
890 0.985
900 0.990
910 0.993
920 0.994
930 0.995
940 0.995
950 0.996
960 0.996
970 0.996
980 0.996
990 0.996
1,000 0.996
1,010 0.996
1,020 0.996
1,030 0.996
1,040 0.997
1,050 0.997
1,060 0.997
1,070 0.997
1,080 0.997
1,090 0.997
λ [nm]
1,100 0.997
1,110 0.997
1,120 0.997
1,130 0.997
1,140 0.997
1,150 0.997
1,160 0.997
1,170 0.998
1,180 0.998
1,190 0.998
1,200 0.998
1,250 0.998
1,300 0.999
1,350 1.000
1,400 0.998
1,450 0.999
1,500 1.000
1,550 1.000
1,600 1.000
1,650 0.998
1,700 0.996
1,750 0.994
1,800 0.992
1,850 0.991
1,900 0.990
1,950 0.989
2,000 0.987
2,050 0.985
2,100 0.983
2,150 0.976
λ [nm]
2,200 0.966
2,250 0.955
2,300 0.956
2,350 0.953
2,400 0.946
2,450 0.939
2,500 0.936
2,550 0.933
2,600 0.923
2,650 0.904
2,700 0.865
2,750 0.500
2,800 0.218
2,850 0.166
2,900 0.137
2,950 0.117
3,000 0.100
3,050 0.086
3,100 0.077
3,150 0.070
3,200 0.066
3,250 0.063
3,300 0.059
3,350 0.056
3,400 0.052
3,450 0.049
3,500 0.046
3,550 0.043
3,600 0.044
3,650 0.045
λ [nm]
3,700 0.041
3,750 0.036
3,800 0.034
3,850 0.041
3,900 0.051
3,950 0.066
4,000 0.067
4,050 0.059
4,100 0.051
4,150 0.048
4,200 0.054
4,250 0.056
4,300 0.051
4,350 0.043
4,400 0.033
4,450 0.022
4,500 0.013
4,550 0.007
4,600 0.003
4,650 0.001
4,700 < 10⁻³
4,750 < 10⁻³
4,800 < 10⁻³
4,850 < 10⁻³
4,900 < 10⁻³
4,950 < 10⁻³
5,000 < 10⁻³
5,050 < 10⁻³
5,100 < 10⁻³
5,150 < 10⁻³
Optical values
Reflection factor
Pd 0.909
Reference thickness
d [mm] 3
Spectral values guaranteed
λs (τi = 0.00001) [nm] 670
λc (τi = 0.5) [nm] 830 ± 9
λp1 (τi = 0.92) [nm] 950
λp2 (τi = 0.97) [nm] 950
Refractive Indices n
ns (852.1 nm) = 1.550
nd (587.6 nm) = 1.560
Colorimetric evaluation
Illuminant A(Planck T = 2347K)
d [mm] 1 2 3
x
y
Y
λd [nm]
Pe
Illuminant Planck T = 3200 K
d [mm] 1 2 3
x
y
Y
λd [nm]
Pe
Illuminant D65 (TC = 6504 K)
d [mm] 1 2 3
x
y
Y
λd [nm]
Pe
Physical values
Density
p [g/cm3] 2.94
Bubble content
Bubble class 3
Transformation temperature
Tg [°C] 554
Temperature coefficient
Tk [nm/°C] 0.23
Chemical Resistance
FR class 5
SR class 53.4
AR class 1.3
Thermal expansion
α-30°C/+70°C [10-6/K] 9.5
α20°C/300°C [10-6/K] 10.5
α20°C/200°C [10-6/K]
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