RG850

RG850

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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*product image is exemplary.

Spectral values guaranteed
λsi = 0.00001) [nm] 700
λci = 0.5) [nm] 850 ± 9
λp1i = 0.92) [nm] 950
λp2i = 0.97) [nm] 1200

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

SCHOTT
RG850 - RG850
Thickness
3.0
Reflection factor
0.9087
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 < 10⁻³
790 < 10⁻³
λ [nm]
800 0.001
810 0.005
820 0.024
830 0.091
840 0.261
850 0.500
860 0.704
870 0.838
880 0.905
890 0.940
900 0.957
910 0.965
920 0.971
930 0.974
940 0.977
950 0.978
960 0.979
970 0.980
980 0.981
990 0.982
1,000 0.983
1,010 0.984
1,020 0.985
1,030 0.986
1,040 0.987
1,050 0.987
1,060 0.988
1,070 0.989
1,080 0.989
1,090 0.990
λ [nm]
1,100 0.990
1,110 0.991
1,120 0.991
1,130 0.992
1,140 0.992
1,150 0.993
1,160 0.993
1,170 0.994
1,180 0.994
1,190 0.994
1,200 0.995
1,250 0.996
1,300 0.997
1,350 0.998
1,400 0.997
1,450 0.998
1,500 1.000
1,550 1.000
1,600 1.000
1,650 0.999
1,700 0.997
1,750 0.995
1,800 0.993
1,850 0.992
1,900 0.991
1,950 0.989
2,000 0.987
2,050 0.987
2,100 0.984
2,150 0.978
λ [nm]
2,200 0.966
2,250 0.957
2,300 0.958
2,350 0.956
2,400 0.947
2,450 0.941
2,500 0.937
2,550 0.934
2,600 0.927
2,650 0.911
2,700 0.865
2,750 0.510
2,800 0.224
2,850 0.169
2,900 0.142
2,950 0.121
3,000 0.104
3,050 0.093
3,100 0.083
3,150 0.077
3,200 0.074
3,250 0.072
3,300 0.068
3,350 0.064
3,400 0.059
3,450 0.054
3,500 0.049
3,550 0.045
3,600 0.045
3,650 0.045
λ [nm]
3,700 0.042
3,750 0.037
3,800 0.035
3,850 0.042
3,900 0.055
3,950 0.072
4,000 0.071
4,050 0.063
4,100 0.057
4,150 0.052
4,200 0.049
4,250 0.052
4,300 0.051
4,350 0.044
4,400 0.033
4,450 0.023
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
Reflection factor
Pd 0.909
Reference thickness
d [mm] 3
Spectral values guaranteed
λsi = 0.00001) [nm] 700
λci = 0.5) [nm] 850 ± 9
λp1i = 0.92) [nm] 950
λp2i = 0.97) [nm] 1200
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
Density
p [g/cm3] 2.93
Bubble content
Bubble class 3
Transformation temperature
Tg [°C] 554
Temperature coefficient
Tk [nm/°C] 0.24
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]