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RG780

RG780

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

Find more information in the tabs below or on our website.

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*product image is exemplary.

Spectral values guaranteed
λsi = 0.00001) [nm] 610
λci = 0.5) [nm] 780 ± 9
λp1i = 0.92) [nm] 900
Glass type
Article L
W
T
Weight

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

SCHOTT
RG780 - RG780
Thickness
3.0
Reflection factor
0.9082
λ [nm]
200
210
220
230
240
250
260
270
280
290
300
310
320
330
340
350
360
370
380
390
400
410
420
430
440
450
460
470
480
490
λ [nm]
500
510
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 0.009
760 0.063
770 0.235
780 0.496
790 0.722
λ [nm]
800 0.859
810 0.928
820 0.961
830 0.978
840 0.986
850 0.990
860 0.991
870 0.992
880 0.992
890 0.993
900 0.993
910 0.993
920 0.993
930 0.993
940 0.993
950 0.993
960 0.993
970 0.993
980 0.994
990 0.994
1,000 0.994
1,010 0.994
1,020 0.994
1,030 0.994
1,040 0.994
1,050 0.994
1,060 0.994
1,070 0.994
1,080 0.994
1,090 0.994
λ [nm]
1,100 0.994
1,110 0.994
1,120 0.994
1,130 0.994
1,140 0.994
1,150 0.995
1,160 0.995
1,170 0.995
1,180 0.995
1,190 0.995
1,200 0.995
1,250 0.995
1,300 0.995
1,350 0.995
1,400 0.993
1,450 0.993
1,500 0.994
1,550 0.994
1,600 0.993
1,650 0.991
1,700 0.989
1,750 0.987
1,800 0.985
1,850 0.983
1,900 0.982
1,950 0.980
2,000 0.978
2,050 0.977
2,100 0.974
2,150 0.967
λ [nm]
2,200 0.957
2,250 0.947
2,300 0.947
2,350 0.944
2,400 0.936
2,450 0.930
2,500 0.926
2,550 0.924
2,600 0.913
2,650 0.896
2,700 0.863
2,750 0.544
2,800 0.218
2,850 0.156
2,900 0.128
2,950 0.107
3,000 0.091
3,050 0.080
3,100 0.071
3,150 0.064
3,200 0.058
3,250 0.054
3,300 0.052
3,350 0.050
3,400 0.048
3,450 0.044
3,500 0.040
3,550 0.037
3,600 0.037
3,650 0.038
λ [nm]
3,700 0.038
3,750 0.034
3,800 0.031
3,850 0.035
3,900 0.046
3,950 0.062
4,000 0.065
4,050 0.057
4,100 0.049
4,150 0.047
4,200 0.048
4,250 0.049
4,300 0.048
4,350 0.043
4,400 0.035
4,450 0.026
4,500 0.017
4,550 0.009
4,600 0.005
4,650 0.002
4,700 < 10⁻³
4,750 < 10⁻³
4,800 < 10⁻³
4,850 < 10⁻³
4,900 < 10⁻³
4,950
5,000
5,050
5,100
5,150
Reflection factor
Pd 0.908
Reference thickness
d [mm] 3
Spectral values guaranteed
λsi = 0.00001) [nm] 610
λci = 0.5) [nm] 780 ± 9
λp1i = 0.92) [nm] 900
Refractive Indices n
nF (486.1 nm) = 1.570
nh (404.7 nm) = 1.581
ng (435.8 nm) = 1.576
ns (852.1 nm) = 1.552
ne (546.1 nm) = 1.564
nd (587.6 nm) = 1.562

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] 2.94
Bubble content
Bubble class 3
Transformation temperature
Tg [°C] 552
Temperature coefficient
Tk [nm/°C] 0.22
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]