Kopp IR Transmitting/VIS Absorbing 2600

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IR Transmitting/VIS Absorbing 2600
 
Note: Graph and tabular data at 2.85 mm
Filter Specifications
Transmission at 800 nm must be > 72%
Transmission at 1000 nm must be beween 28% and 40%
Physical Properties
Nominal Thickness Range 2.9 - 3.1 mm
Refractive Index nD = 1.54
Density 2.81 g/cm3
Thermal Linear Expansion 106E-7 /ºC (30-300 ºC)
Strain Temperature 431 ºC
Annealing Temperature 473 ºC
Deformation Temperature 650 ºC
IR Transmitting/VIS Absorbing 2600
Wavelength
Transmission
Wavelength
Transmission
Wavelength
Transmission
(nm)
(%)
(nm)
(%)
(nm)
(%)
200
0.00
435
0.00
670
0.00
205
0.00
440
0.00
675
0.00
210
0.00
445
0.00
680
0.00
215
0.00
450
0.00
685
0.00
220
0.00
455
0.00
690
0.00
225
0.00
460
0.00
695
0.00
230
0.00
465
0.00
700
0.01
235
0.00
470
0.00
705
0.18
240
0.00
475
0.00
710
1.45
245
0.00
480
0.00
715
5.88
250
0.00
485
0.00
720
14.94
255
0.00
490
0.00
725
27.50
260
0.00
495
0.00
730
41.04
265
0.00
500
0.00
735
53.18
270
0.00
505
0.00
740
62.81
275
0.00
510
0.00
745
69.78
280
0.00
515
0.00
750
74.46
285
0.00
520
0.00
755
77.58
290
0.00
525
0.00
760
79.53
295
0.00
530
0.00
765
80.55
300
0.00
535
0.00
770
81.20
305
0.00
540
0.00
775
81.52
310
0.00
545
0.00
780
81.47
315
0.00
550
0.00
785
81.47
320
0.00
555
0.00
790
81.26
325
0.00
560
0.00
795
81.23
330
0.00
565
0.00
800
80.66
335
0.00
570
0.00
805
80.24
340
0.00
575
0.00
810
79.97
345
0.00
580
0.00
815
79.34
350
0.00
585
0.00
820
78.80
355
0.00
590
0.00
825
78.34
360
0.00
595
0.00
830
77.74
365
0.00
600
0.00
835
77.24
370
0.00
605
0.00
840
76.81
375
0.00
610
0.00
845
76.06
380
0.00
615
0.00
850
75.29
385
0.00
620
0.00
855
74.88
390
0.00
625
0.00
860
74.20
395
0.00
630
0.00
865
73.19
400
0.00
635
0.00
870
72.58
405
0.00
640
0.00
875
72.17
410
0.00
645
0.00
880
71.09
415
0.00
650
0.00
885
70.57
420
0.00
655
0.00
890
69.03
425
0.00
660
0.00
895
69.49
430
0.00
665
0.00
900
69.32

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