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VG9

A green glass bandpass filter that selectively transmits certain wavelength ranges (pass band).

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VG9
Spectral values guaranteed
τi (450nm) ≤0.21
τi (514nm) ≥0.67
τi (633nm) ≤0.15
τi (700nm) ≤0.07
τi (725nm) ≤0.07
τi (1060nm) ≤0.18
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Download Data sheet VG9
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
VG9 - VG9
Thickness
1.0
Reflection factor
0.9111
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 < 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 0.006
430 0.020
440 0.053
450 0.117
460 0.216
470 0.325
480 0.429
490 0.530
λ [nm]
500 0.613
510 0.669
520 0.698
530 0.698
540 0.669
550 0.618
560 0.552
570 0.477
580 0.401
590 0.330
600 0.265
610 0.209
620 0.164
630 0.130
640 0.107
650 0.089
660 0.075
670 0.066
680 0.058
690 0.053
700 0.050
710 0.048
720 0.047
730 0.046
740 0.045
750 0.045
760 0.044
770 0.044
780 0.044
790 0.043
λ [nm]
800 0.043
810 0.043
820 0.044
830 0.045
840 0.045
850 0.047
860 0.048
870 0.049
880 0.050
890 0.053
900 0.056
910 0.059
920 0.063
930 0.066
940 0.070
950 0.074
960 0.079
970 0.084
980 0.090
990 0.095
1,000 0.102
1,010 0.109
1,020 0.116
1,030 0.123
1,040 0.130
1,050 0.136
1,060 0.143
1,070 0.151
1,080 0.159
1,090 0.167
λ [nm]
1,100 0.174
1,110 0.182
1,120 0.191
1,130 0.201
1,140 0.208
1,150 0.218
1,160 0.227
1,170 0.237
1,180 0.246
1,190 0.256
1,200 0.264
1,250 0.304
1,300 0.350
1,350 0.400
1,400 0.440
1,450 0.490
1,500 0.530
1,550 0.570
1,600 0.600
1,650 0.637
1,700 0.670
1,750 0.696
1,800 0.720
1,850 0.741
1,900 0.760
1,950 0.777
2,000 0.790
2,050 0.809
2,100 0.820
2,150 0.831
λ [nm]
2,200 0.840
2,250 0.847
2,300 0.855
2,350 0.861
2,400 0.870
2,450 0.874
2,500 0.880
2,550 0.880
2,600 0.884
2,650 0.883
2,700 0.870
2,750 0.687
2,800 0.615
2,850 0.605
2,900 0.600
2,950 0.589
3,000 0.580
3,050 0.563
3,100 0.540
3,150 0.518
3,200 0.500
3,250 0.479
3,300 0.460
3,350 0.439
3,400 0.421
3,450 0.412
3,500 0.403
3,550 0.400
3,600 0.400
3,650 0.402
λ [nm]
3,700 0.410
3,750 0.417
3,800 0.430
3,850 0.442
3,900 0.450
3,950 0.454
4,000 0.452
4,050 0.443
4,100 0.420
4,150 0.402
4,200 0.380
4,250 0.354
4,300 0.322
4,350 0.288
4,400 0.247
4,450 0.205
4,500 0.160
4,550 0.114
4,600 0.074
4,650 0.052
4,700 0.033
4,750 0.022
4,800 0.016
4,850 0.012
4,900 0.010
4,950 0.008
5,000 0.005
5,050 0.003
5,100 0.001
5,150 < 10⁻³
Optical values
Reflection factor
Pd 0.911
Reference thickness
d [mm] 1
Spectral values guaranteed
τi (450nm) ≤0.21
τi (514nm) ≥0.67
τi (633nm) ≤0.15
τi (700nm) ≤0.07
τi (725nm) ≤0.07
τi (1060nm) ≤0.18
Refractive Indices n
nd (587.6 nm) = 1.550
Colorimetric evaluation
Illuminant A(Planck T = 2347K)
d [mm] 1 2 3
x 0.370 0.306 0.265
y 0.522 0.596 0.645
Y 40 21 12
λd [nm] 535 529 527
Pe 0.31 0.47 0.58
Illuminant Planck T = 3200 K
d [mm] 1 2 3
x 0.354 0.295 0.256
y 0.521 0.596 0.645
Y 41 22 13
λd [nm] 538 531 528
Pe 0.33 0.49 0.59
Illuminant D65 (TC = 6504 K)
d [mm] 1 2 3
x 0.284 0.246 0.220
y 0.493 0.582 0.637
Y 45 25 15
λd [nm] 541 535 532
Pe 0.39 0.56 0.66
Physical values
Density
p [g/cm3] 2.8651
Bubble content
Bubble class
Transformation temperature
Tg [°C] 451
Temperature coefficient
Tk [nm/°C]
Chemical Resistance
FR class 0
SR class 1.0
AR class 1.0
Thermal expansion
α-30°C/+70°C [10-6/K] 9.15
α20°C/300°C [10-6/K] 10.58
α20°C/200°C [10-6/K]
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