GG475

GG475

A longpass filter with low transmission in short wavelengths range and high transmission in long wavelength ranges.

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*product image is exemplary.

Spectral values guaranteed
λsi = 0.00001) [nm] 410
λci = 0.5) [nm] 475 ± 6
λp1i = 0.92) [nm] 550

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

SCHOTT
GG475 - GG475
Thickness
3.0
Reflection factor
0.9183
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 0.010
470 0.261
480 0.713
490 0.902
λ [nm]
500 0.952
510 0.969
520 0.977
530 0.982
540 0.985
550 0.987
560 0.988
570 0.988
580 0.988
590 0.988
600 0.987
610 0.986
620 0.986
630 0.985
640 0.984
650 0.983
660 0.982
670 0.981
680 0.980
690 0.978
700 0.977
710 0.975
720 0.974
730 0.972
740 0.970
750 0.969
760 0.967
770 0.965
780 0.963
790 0.962
λ [nm]
800 0.960
810 0.958
820 0.957
830 0.955
840 0.954
850 0.953
860 0.952
870 0.950
880 0.949
890 0.948
900 0.947
910 0.947
920 0.946
930 0.945
940 0.945
950 0.944
960 0.944
970 0.943
980 0.943
990 0.942
1,000 0.942
1,010 0.942
1,020 0.941
1,030 0.941
1,040 0.941
1,050 0.941
1,060 0.940
1,070 0.940
1,080 0.940
1,090 0.940
λ [nm]
1,100 0.940
1,110 0.940
1,120 0.940
1,130 0.940
1,140 0.941
1,150 0.941
1,160 0.941
1,170 0.941
1,180 0.941
1,190 0.941
1,200 0.941
1,250 0.943
1,300 0.945
1,350 0.948
1,400 0.948
1,450 0.955
1,500 0.960
1,550 0.963
1,600 0.966
1,650 0.968
1,700 0.968
1,750 0.967
1,800 0.965
1,850 0.964
1,900 0.962
1,950 0.960
2,000 0.958
2,050 0.955
2,100 0.952
2,150 0.946
λ [nm]
2,200 0.934
2,250 0.929
2,300 0.933
2,350 0.932
2,400 0.926
2,450 0.916
2,500 0.911
2,550 0.912
2,600 0.905
2,650 0.894
2,700 0.819
2,750 0.367
2,800 0.249
2,850 0.255
2,900 0.266
2,950 0.271
3,000 0.272
3,050 0.266
3,100 0.251
3,150 0.233
3,200 0.216
3,250 0.199
3,300 0.183
3,350 0.168
3,400 0.156
3,450 0.147
3,500 0.142
3,550 0.140
3,600 0.140
3,650 0.142
λ [nm]
3,700 0.146
3,750 0.153
3,800 0.162
3,850 0.167
3,900 0.169
3,950 0.166
4,000 0.158
4,050 0.147
4,100 0.133
4,150 0.115
4,200 0.095
4,250 0.071
4,300 0.051
4,350 0.033
4,400 0.019
4,450 0.009
4,500 0.003
4,550 0.001
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 0.918
Reference thickness
d [mm] 3
Spectral values guaranteed
λsi = 0.00001) [nm] 410
λci = 0.5) [nm] 475 ± 6
λp1i = 0.92) [nm] 550
Refractive Indices n
ns (852.1 nm) = 1.520
ne (546.1 nm) = 1.530
nd (587.6 nm) = 1.520

Colorimetric evaluation

Illuminant A(Planck T = 2347K)
d [mm] 1 2 3
x 0.483 0.489 0.492
y 0.453 0.460 0.463
Y 91 90 89
λd [nm] 580 580 580
Pe 0.56 0.65 0.69
Illuminant Planck T = 3200 K
d [mm] 1 2 3
x 0.465 0.473 0.476
y 0.458 0.466 0.470
Y 91 90 89
λd [nm] 578 578 578
Pe 0.57 0.66 0.70
Illuminant D65 (TC = 6504 K)
d [mm] 1 2 3
x 0.381 0.394 0.401
y 0.463 0.485 0.494
Y 89 88 88
λd [nm] 568 569 569
Pe 0.57 0.66 0.71
Density
p [g/cm3] 2.56
Bubble content
Bubble class 3
Transformation temperature
Tg [°C] 531
Temperature coefficient
Tk [nm/°C] 0.09
Chemical Resistance
FR class 0
SR class 1.0
AR class 1.0
Thermal expansion
α-30°C/+70°C [10-6/K] 8.2
α20°C/300°C [10-6/K] 9.4
α20°C/200°C [10-6/K]