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GG400

GG400

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

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] 340
λci = 0.5) [nm] 400 ± 6
λp1i = 0.92) [nm] 480
Glass type
Article L
W
T
Weight

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

SCHOTT
GG400 - GG400
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 0.003
400 0.491
410 0.859
420 0.908
430 0.926
440 0.936
450 0.945
460 0.952
470 0.958
480 0.964
490 0.969
λ [nm]
500 0.973
510 0.977
520 0.980
530 0.982
540 0.985
550 0.986
560 0.987
570 0.988
580 0.988
590 0.988
600 0.988
610 0.988
620 0.987
630 0.987
640 0.986
650 0.985
660 0.984
670 0.983
680 0.982
690 0.981
700 0.980
710 0.979
720 0.977
730 0.976
740 0.975
750 0.973
760 0.972
770 0.970
780 0.969
790 0.967
λ [nm]
800 0.966
810 0.965
820 0.963
830 0.962
840 0.961
850 0.959
860 0.958
870 0.957
880 0.956
890 0.956
900 0.955
910 0.954
920 0.954
930 0.953
940 0.953
950 0.953
960 0.952
970 0.952
980 0.951
990 0.951
1,000 0.950
1,010 0.950
1,020 0.950
1,030 0.950
1,040 0.950
1,050 0.949
1,060 0.949
1,070 0.949
1,080 0.949
1,090 0.949
λ [nm]
1,100 0.949
1,110 0.949
1,120 0.949
1,130 0.949
1,140 0.949
1,150 0.949
1,160 0.949
1,170 0.950
1,180 0.950
1,190 0.950
1,200 0.950
1,250 0.951
1,300 0.953
1,350 0.956
1,400 0.955
1,450 0.961
1,500 0.965
1,550 0.968
1,600 0.971
1,650 0.972
1,700 0.973
1,750 0.972
1,800 0.970
1,850 0.968
1,900 0.967
1,950 0.965
2,000 0.963
2,050 0.961
2,100 0.957
2,150 0.951
λ [nm]
2,200 0.940
2,250 0.935
2,300 0.940
2,350 0.939
2,400 0.933
2,450 0.923
2,500 0.915
2,550 0.919
2,600 0.908
2,650 0.888
2,700 0.825
2,750 0.344
2,800 0.242
2,850 0.256
2,900 0.274
2,950 0.285
3,000 0.282
3,050 0.276
3,100 0.267
3,150 0.256
3,200 0.238
3,250 0.217
3,300 0.199
3,350 0.186
3,400 0.176
3,450 0.166
3,500 0.159
3,550 0.154
3,600 0.150
3,650 0.149
λ [nm]
3,700 0.154
3,750 0.164
3,800 0.174
3,850 0.181
3,900 0.177
3,950 0.170
4,000 0.163
4,050 0.154
4,100 0.140
4,150 0.127
4,200 0.109
4,250 0.086
4,300 0.060
4,350 0.037
4,400 0.018
4,450 0.008
4,500 0.003
4,550 < 10⁻³
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] 340
λci = 0.5) [nm] 400 ± 6
λp1i = 0.92) [nm] 480
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 0.448 0.449 0.450
y 0.408 0.409 0.410
Y 91 91 90
λd [nm] 581 581 581
Pe 0.01 0.02 0.03
Illuminant Planck T = 3200 K
d [mm] 1 2 3
x 0.424 0.425 0.426
y 0.400 0.401 0.402
Y 91 91 90
λd [nm] 579 579 579
Pe 0.01 0.02 0.03
Illuminant D65 (TC = 6504 K)
d [mm] 1 2 3
x 0.314 0.315 0.316
y 0.331 0.333 0.335
Y 91 91 90
λd [nm] 570 571 571
Pe 0.01 0.02 0.03
Density
p [g/cm3] 2.55
Bubble content
Bubble class 3
Transformation temperature
Tg [°C] 537
Temperature coefficient
Tk [nm/°C] 0.07
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] 9.1
α20°C/200°C [10-6/K]