1. Home
  2. Products
  3. Optical Filter Glass
  4. Matt Filter Plates
  5. CONTRAST-ENHANCEMENT
  6. S8809

S8809

S8809
Spectral values guaranteed
τi (550nm) =0.234± 0,032
Need help or a quote?
CONTACT OUR SUPPORT
Technical Details
Internal Transmittance (Chart)

Only values between 0.1 and 30 with one decimal place are allowed.

SCHOTT
S8809 - S8809
Thickness
2.2
Reflection factor
0.9053
Internal Transmittance (Table)
λ [nm]
200
210
220
230
240
250
260
270
280
290
300
310
320
330
340
350
360
370 0.002
380 0.019
390 0.063
400 0.128
410 0.190
420 0.206
430 0.185
440 0.212
450 0.204
460 0.183
470 0.170
480 0.170
490 0.202
λ [nm]
500 0.189
510 0.147
520 0.150
530 0.091
540 0.206
550 0.256
560 0.257
570 0.046
580 0.017
590 0.011
600 0.103
610 0.193
620 0.246
630 0.228
640 0.222
650 0.210
660 0.199
670 0.182
680 0.162
690 0.157
700 0.167
710 0.165
720 0.159
730 0.129
740 0.022
750 0.027
760 0.089
770 0.137
780 0.140
790 0.084
λ [nm]
800 0.032
810 0.016
820 0.097
830 0.155
840 0.191
850 0.203
860 0.180
870 0.144
880 0.119
890 0.171
900 0.219
910 0.250
920 0.269
930 0.288
940 0.301
950 0.313
960 0.326
970 0.338
980 0.350
990 0.361
1,000 0.375
1,010 0.387
1,020 0.400
1,030 0.412
1,040 0.424
1,050 0.437
1,060 0.448
1,070 0.460
1,080 0.472
1,090 0.485
λ [nm]
1,100 0.496
1,110 0.508
1,120 0.520
1,130 0.531
1,140 0.542
1,150 0.553
1,160 0.564
1,170 0.575
1,180 0.584
1,190 0.595
1,200 0.604
1,250 0.651
1,300 0.694
1,350 0.727
1,400 0.754
1,450 0.772
1,500 0.786
1,550 0.805
1,600 0.802
1,650 0.847
1,700 0.865
1,750 0.884
1,800 0.896
1,850 0.896
1,900 0.899
1,950 0.910
2,000 0.924
2,050 0.934
2,100 0.941
2,150 0.941
λ [nm]
2,200 0.933
2,250 0.918
2,300 0.859
2,350 0.720
2,400 0.674
2,450 0.705
2,500 0.731
2,550
2,600
2,650
2,700
2,750
2,800
2,850
2,900
2,950
3,000
3,050
3,100
3,150
3,200
3,250
3,300
3,350
3,400
3,450
3,500
3,550
3,600
3,650
λ [nm]
3,700
3,750
3,800
3,850
3,900
3,950
4,000
4,050
4,100
4,150
4,200
4,250
4,300
4,350
4,400
4,450
4,500
4,550
4,600
4,650
4,700
4,750
4,800
4,850
4,900
4,950
5,000
5,050
5,100
5,150
Optical values
Reflection factor
Pd 0.905
Reference thickness
d [mm] 2
Spectral values guaranteed
τi (550nm) =0.234± 0,032
Refractive Indices n
nF (486.1 nm) = 1.582
nh (404.7 nm) = 1.593
ng (435.8 nm) = 1.588
ns (852.1 nm) = 1.564
ne (546.1 nm) = 1.576
nd (587.6 nm) = 1.574
Colorimetric evaluation
Illuminant A(Planck T = 2347K)
d [mm] 1 2 3
x 0.438 0.480 0.479
y 0.393 0.436 0.368
Y 35 19 13
λd [nm] 582
Pe 0.03 0.42 0.08
Illuminant Planck T = 3200 K
d [mm] 1 2 3
x 0.411 0.461 0.451
y 0.384 0.436 0.359
Y 35 19 13
λd [nm] 467 580
Pe 0.04 0.42 0.08
Illuminant D65 (TC = 6504 K)
d [mm] 1 2 3
x 0.293 0.366 0.320
y 0.309 0.406 0.288
Y 36 19 13
λd [nm] 477 572
Pe 0.09 0.37 0.09
Physical values
Density
p [g/cm3] 2.91
Bubble content
Bubble class -
Transformation temperature
Tg [°C] 459
Temperature coefficient
Tk [nm/°C]
Chemical Resistance
FR class
SR class
AR class
Thermal expansion
α-30°C/+70°C [10-6/K]
α20°C/300°C [10-6/K] 11.9
α20°C/200°C [10-6/K]
Back