RG665

RG665

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] 580
λci = 0.5) [nm] 665 ± 6
λp1i = 0.92) [nm] 750

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

SCHOTT
RG665 - RG665
Thickness
3.0
Reflection factor
0.9178
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 0.004
650 0.072
660 0.330
670 0.643
680 0.834
690 0.920
700 0.957
710 0.972
720 0.979
730 0.982
740 0.983
750 0.983
760 0.983
770 0.982
780 0.982
790 0.981
λ [nm]
800 0.981
810 0.980
820 0.980
830 0.979
840 0.979
850 0.978
860 0.978
870 0.977
880 0.977
890 0.976
900 0.976
910 0.976
920 0.975
930 0.975
940 0.975
950 0.975
960 0.975
970 0.975
980 0.975
990 0.975
1,000 0.975
1,010 0.975
1,020 0.975
1,030 0.975
1,040 0.975
1,050 0.975
1,060 0.975
1,070 0.976
1,080 0.976
1,090 0.976
λ [nm]
1,100 0.976
1,110 0.976
1,120 0.976
1,130 0.977
1,140 0.977
1,150 0.977
1,160 0.977
1,170 0.977
1,180 0.978
1,190 0.978
1,200 0.978
1,250 0.980
1,300 0.981
1,350 0.983
1,400 0.983
1,450 0.986
1,500 0.988
1,550 0.990
1,600 0.990
1,650 0.990
1,700 0.989
1,750 0.988
1,800 0.987
1,850 0.986
1,900 0.984
1,950 0.983
2,000 0.983
2,050 0.982
2,100 0.981
2,150 0.978
λ [nm]
2,200 0.966
2,250 0.962
2,300 0.965
2,350 0.967
2,400 0.965
2,450 0.959
2,500 0.950
2,550 0.943
2,600 0.940
2,650 0.931
2,700 0.880
2,750 0.548
2,800 0.368
2,850 0.340
2,900 0.338
2,950 0.336
3,000 0.326
3,050 0.307
3,100 0.285
3,150 0.267
3,200 0.250
3,250 0.235
3,300 0.222
3,350 0.215
3,400 0.214
3,450 0.220
3,500 0.229
3,550 0.241
3,600 0.258
3,650 0.273
λ [nm]
3,700 0.287
3,750 0.299
3,800 0.309
3,850 0.317
3,900 0.324
3,950 0.327
4,000 0.326
4,050 0.315
4,100 0.294
4,150 0.270
4,200 0.240
4,250 0.207
4,300 0.169
4,350 0.127
4,400 0.083
4,450 0.044
4,500 0.020
4,550 0.009
4,600 0.004
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 0.918
Reference thickness
d [mm] 3
Spectral values guaranteed
λsi = 0.00001) [nm] 580
λci = 0.5) [nm] 665 ± 6
λp1i = 0.92) [nm] 750
Refractive Indices n
nF (486.1 nm) = 1.529
nh (404.7 nm) = 1.538
ng (435.8 nm) = 1.534
ns (852.1 nm) = 1.514
ne (546.1 nm) = 1.524
nd (587.6 nm) = 1.522

Colorimetric evaluation

Illuminant A(Planck T = 2347K)
d [mm] 1 2 3
x 0.631 0.726 0.732
y 0.318 0.272 0.268
Y 4 2 1
λd [nm] 656 664 671
Pe 0.65 0.98 1.00
Illuminant Planck T = 3200 K
d [mm] 1 2 3
x 0.612 0.724 0.732
y 0.320 0.272 0.268
Y 4 1 1
λd [nm] 656 664 670
Pe 0.62 0.98 1.00
Illuminant D65 (TC = 6504 K)
d [mm] 1 2 3
x 0.487 0.711 0.731
y 0.305 0.272 0.268
Y 3 1 1
λd [nm] 654 662 668
Pe 0.42 0.95 1.00
Density
p [g/cm3] 2.77
Bubble content
Bubble class 3
Transformation temperature
Tg [°C] 527
Temperature coefficient
Tk [nm/°C] 0.17
Chemical Resistance
FR class 0
SR class 1.0
AR class 1.0
Thermal expansion
α-30°C/+70°C [10-6/K] 8.1
α20°C/300°C [10-6/K] 9.4
α20°C/200°C [10-6/K]