RG9

RG9

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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Spectral values guaranteed
τi (700nm) ≤0.45
τi (720nm) ≤0.45
τi (800nm) ≥0.92
τi (1060nm) ≤0.4
Download Data sheet
Glass type
 Article L
 W
 T
 Weight

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

SCHOTT
RG9 - RG9
Thickness
3.0
Reflection factor
0.9195
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 0.006
710 0.099
720 0.357
730 0.633
740 0.809
750 0.895
760 0.931
770 0.944
780 0.947
790 0.946
λ [nm]
800 0.944
810 0.941
820 0.938
830 0.933
840 0.927
850 0.921
860 0.915
870 0.908
880 0.899
890 0.889
900 0.878
910 0.865
920 0.851
930 0.833
940 0.814
950 0.794
960 0.770
970 0.740
980 0.705
990 0.666
1,000 0.625
1,010 0.577
1,020 0.524
1,030 0.470
1,040 0.413
1,050 0.354
1,060 0.297
1,070 0.242
1,080 0.194
1,090 0.148
λ [nm]
1,100 0.112
1,110 0.081
1,120 0.056
1,130 0.039
1,140 0.025
1,150 0.016
1,160 0.010
1,170 0.006
1,180 0.004
1,190 0.003
1,200 0.002
1,250 < 10⁻³
1,300 < 10⁻³
1,350 < 10⁻³
1,400 < 10⁻³
1,450 < 10⁻³
1,500 < 10⁻³
1,550 < 10⁻³
1,600 < 10⁻³
1,650 < 10⁻³
1,700 < 10⁻³
1,750 < 10⁻³
1,800 < 10⁻³
1,850 < 10⁻³
1,900 0.003
1,950 0.007
2,000 0.015
2,050 0.028
2,100 0.046
2,150 0.070
λ [nm]
2,200 0.101
2,250 0.140
2,300 0.184
2,350 0.229
2,400 0.264
2,450 0.287
2,500 0.300
2,550 0.302
2,600 0.299
2,650 0.292
2,700 0.261
2,750 0.134
2,800 0.104
2,850 0.107
2,900 0.114
2,950 0.118
3,000 0.120
3,050 0.116
3,100 0.109
3,150 0.102
3,200 0.095
3,250 0.089
3,300 0.084
3,350 0.080
3,400 0.077
3,450 0.078
3,500 0.079
3,550 0.082
3,600 0.087
3,650 0.092
λ [nm]
3,700 0.097
3,750 0.103
3,800 0.111
3,850 0.118
3,900 0.124
3,950 0.128
4,000 0.129
4,050 0.126
4,100 0.114
4,150 0.101
4,200 0.086
4,250 0.070
4,300 0.052
4,350 0.034
4,400 0.020
4,450 0.010
4,500 0.004
4,550 0.002
4,600 < 10⁻³
4,650 < 10⁻³
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 0.920
Reference thickness
d [mm] 3
Spectral values guaranteed
τi (700nm) ≤0.45
τi (720nm) ≤0.45
τi (800nm) ≥0.92
τi (1060nm) ≤0.4
Refractive Indices n
nF (486.1 nm) = 1.521
nh (404.7 nm) = 1.530
ng (435.8 nm) = 1.526
ns (852.1 nm) = 1.507
ne (546.1 nm) = 1.517
nd (587.6 nm) = 1.515

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] 2.58
Bubble content
Bubble class 3
Transformation temperature
Tg [°C] 519
Temperature coefficient
Tk [nm/°C] 0.06
Chemical Resistance
FR class 0
SR class 1.0
AR class 1.0
Thermal expansion
α-30°C/+70°C [10-6/K] 7.9
α20°C/300°C [10-6/K] 9
α20°C/200°C [10-6/K]
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