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UG2A

A bandpass filter that shows its highest transmission in the UV wavelength ranges (pass band).

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UG2A
Spectral values guaranteed
τi (303nm) ≤0.07
τi (365nm) ≥0.81
τi (405nm) ≤0.1
τi (694nm) ≤0.04
τi (750nm) ≤0.52
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Download Data sheet UG2A
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
UG2A - UG2A
Thickness
3.0
Reflection factor
0.9180
Internal Transmittance (Table)
λ [nm]
200
210
220
230
240
250
260
270 < 10⁻³
280 < 10⁻³
290 < 10⁻³
300 0.020
310 0.162
320 0.409
330 0.627
340 0.764
350 0.841
360 0.875
370 0.867
380 0.779
390 0.515
400 0.152
410 0.013
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 < 10⁻³
650 < 10⁻³
660 < 10⁻³
670 < 10⁻³
680 < 10⁻³
690 0.004
700 0.044
710 0.148
720 0.270
730 0.377
740 0.482
750 0.497
760 0.416
770 0.325
780 0.308
790 0.302
λ [nm]
800 0.269
810 0.229
820 0.193
830 0.164
840 0.141
850 0.123
860 0.117
870 0.109
880 0.101
890 0.092
900 0.090
910 0.087
920 0.084
930 0.082
940 0.079
950 0.077
960 0.075
970 0.073
980 0.071
990 0.068
1,000 0.064
1,010 0.061
1,020 0.056
1,030 0.052
1,040 0.047
1,050 0.043
1,060 0.038
1,070 0.035
1,080 0.031
1,090 0.028
λ [nm]
1,100 0.025
1,110 0.023
1,120 0.021
1,130 0.019
1,140 0.017
1,150 0.016
1,160 0.015
1,170 0.014
1,180 0.013
1,190 0.013
1,200 0.012
1,250 0.011
1,300 0.014
1,350 0.020
1,400 0.021
1,450 0.015
1,500 0.012
1,550 0.013
1,600 0.016
1,650 0.016
1,700 0.013
1,750 0.010
1,800 0.009
1,850 0.010
1,900 0.011
1,950 0.013
2,000 0.015
2,050 0.017
2,100 0.020
2,150 0.023
λ [nm]
2,200 0.028
2,250 0.034
2,300 0.041
2,350 0.049
2,400 0.057
2,450 0.063
2,500 0.072
2,550 0.079
2,600 0.086
2,650 0.092
2,700 0.095
2,750 0.066
2,800 0.047
2,850 0.046
2,900 0.049
2,950 0.054
3,000 0.059
3,050 0.062
3,100 0.063
3,150 0.062
3,200 0.059
3,250 0.055
3,300 0.051
3,350 0.047
3,400 0.044
3,450 0.041
3,500 0.039
3,550 0.039
3,600 0.040
3,650 0.042
λ [nm]
3,700 0.045
3,750 0.050
3,800 0.055
3,850 0.061
3,900 0.068
3,950 0.073
4,000 0.074
4,050 0.071
4,100 0.064
4,150 0.055
4,200 0.046
4,250 0.038
4,300 0.030
4,350 0.022
4,400 0.015
4,450 0.008
4,500 0.004
4,550 0.002
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] 3
Spectral values guaranteed
τi (303nm) ≤0.07
τi (365nm) ≥0.81
τi (405nm) ≤0.1
τi (694nm) ≤0.04
τi (750nm) ≤0.52
Refractive Indices n
nF (486.1 nm) = 1.529
n (296.7 nm) = 1.567
nh (404.7 nm) = 1.538
ng (435.8 nm) = 1.534
ns (852.1 nm) = 1.515
ne (546.1 nm) = 1.525
nd (587.6 nm) = 1.523
n (302.1 nm) = 1.565
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] 2.5984
Bubble content
Bubble class
Transformation temperature
Tg [°C] 484
Temperature coefficient
Tk [nm/°C]
Chemical Resistance
FR class 0.0
SR class 1.0
AR class 1.3
Thermal expansion
α-30°C/+70°C [10-6/K] 8.65
α20°C/300°C [10-6/K] 9.94
α20°C/200°C [10-6/K]
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