N-WG320

N-WG is a colorless longpass filter with different cutoffs in the UV range, transmitting in the visible and IR ranges.

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N-WG320
Spectral values guaranteed
λsi = 0.00001) [nm] 280
λci = 0.5) [nm] 320 ± 6
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Article Details
SCHOTT
Article
Glass type
L
W
T
Weight
 
Technical Details
Internal Transmittance (Chart)

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

SCHOTT
N-WG320 - N-WG320
Thickness
2.0
Reflection factor
0.9183
Internal Transmittance (Table)
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 0.010
310 0.161
320 0.507
330 0.770
340 0.901
350 0.953
360 0.973
370 0.981
380 0.986
390 0.989
400 0.990
410 0.991
420 0.991
430 0.992
440 0.992
450 0.992
460 0.993
470 0.993
480 0.993
490 0.994
λ [nm]
500 0.994
510 0.994
520 0.995
530 0.995
540 0.995
550 0.995
560 0.996
570 0.996
580 0.996
590 0.996
600 0.996
610 0.996
620 0.997
630 0.997
640 0.997
650 0.997
660 0.997
670 0.997
680 0.997
690 0.997
700 0.997
710 0.998
720 0.998
730 0.998
740 0.998
750 0.998
760 0.998
770 0.998
780 0.998
790 0.998
λ [nm]
800 0.998
810 0.998
820 0.998
830 0.999
840 0.999
850 0.999
860 0.999
870 0.999
880 0.999
890 0.999
900 0.999
910 0.999
920 0.999
930 0.999
940 0.999
950 0.999
960 0.999
970 0.999
980 0.999
990 0.999
1,000 0.999
1,010 0.999
1,020 0.999
1,030 0.999
1,040 1.000
1,050 1.000
1,060 1.000
1,070 1.000
1,080 1.000
1,090 1.000
λ [nm]
1,100 1.000
1,110 1.000
1,120 1.000
1,130 1.000
1,140 1.000
1,150 1.000
1,160 1.000
1,170 1.000
1,180 1.000
1,190 1.000
1,200 1.000
1,250 1.000
1,300 1.000
1,350 1.000
1,400 0.998
1,450 1.000
1,500 1.000
1,550 1.000
1,600 1.000
1,650 1.000
1,700 1.000
1,750 0.999
1,800 0.998
1,850 0.997
1,900 0.996
1,950 0.994
2,000 0.993
2,050 0.990
2,100 0.983
2,150 0.980
λ [nm]
2,200 0.974
2,250 0.971
2,300 0.973
2,350 0.970
2,400 0.964
2,450 0.956
2,500 0.948
2,550 0.940
2,600 0.939
2,650 0.926
2,700 0.854
2,750 0.400
2,800 0.330
2,850 0.359
2,900 0.390
2,950 0.411
3,000 0.422
3,050 0.425
3,100 0.424
3,150 0.419
3,200 0.410
3,250 0.401
3,300 0.386
3,350 0.370
3,400 0.345
3,450 0.309
3,500 0.267
3,550 0.231
3,600 0.212
3,650 0.196
λ [nm]
3,700 0.202
3,750 0.225
3,800 0.240
3,850 0.236
3,900 0.220
3,950 0.201
4,000 0.186
4,050 0.169
4,100 0.152
4,150 0.132
4,200 0.109
4,250 0.084
4,300 0.060
4,350 0.039
4,400 0.022
4,450 0.010
4,500 0.004
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
Optical values
Reflection factor
Pd 0.918
Reference thickness
d [mm] 2
Spectral values guaranteed
λsi = 0.00001) [nm] 280
λci = 0.5) [nm] 320 ± 6
Refractive Indices n
nF (486.1 nm) = 1.548
nh (404.7 nm) = 1.556
ng (435.8 nm) = 1.553
ns (852.1 nm) = 1.535
ne (546.1 nm) = 1.545
nd (587.6 nm) = 1.543
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
Physical values
Density
p [g/cm3] 2.51
Bubble content
Bubble class 1
Transformation temperature
Tg [°C] 563
Temperature coefficient
Tk [nm/°C] 0.06
Chemical Resistance
FR class 0
SR class 1.0
AR class 2.0
Thermal expansion
α-30°C/+70°C [10-6/K] 7.1
α20°C/300°C [10-6/K] 8.4
α20°C/200°C [10-6/K]