Kopp Sharp Cut Red - 2403

Back to Kopp Standard Filters

Sharp Cut Red - 2403
 
Note: Graph and tabular data at 2.30 mm
Filter Specifications
Transmission must be 37% between 637 nm and 648 nm (cut-off wavelength)
Transmission must be ³  80% from 678 nm to 750 nm
Transmission must be < 0.5% at wavelength shorter than 617 nm
Difference between 15% and 60% transmission must be < 15 nm
Physical Properties
Nominal Thickness Range 1.4 - 4.6 mm
Refractive Index nD = 1.50
Density 2.41 g/cm3
Thermal Linear Expansion 40E-7 /ºC (30-300 ºC)
Strain Temperature 517 ºC
Annealing Temperature 526 ºC
Deformation Temperature 707 ºC
Sharp Cut Red - 2403
Wavelength
Transmission
Wavelength
Transmission
Wavelength
Transmission
(nm)
(%)
(nm)
(%)
(nm)
(%)
200
0.00
435
0.00
670
86.38
205
0.00
440
0.00
675
87.25
210
0.00
445
0.00
680
87.75
215
0.00
450
0.00
685
88.08
220
0.00
455
0.00
690
88.36
225
0.00
460
0.00
695
88.56
230
0.00
465
0.00
700
88.72
235
0.00
470
0.00
705
88.83
240
0.00
475
0.00
710
89.05
245
0.00
480
0.00
715
89.08
250
0.00
485
0.00
720
89.19
255
0.00
490
0.00
725
89.22
260
0.00
495
0.00
730
89.34
265
0.00
500
0.00
735
89.40
270
0.00
505
0.00
740
89.44
275
0.00
510
0.00
745
89.36
280
0.00
515
0.00
750
89.39
285
0.00
520
0.00
755
89.36
290
0.00
525
0.00
760
89.55
295
0.00
530
0.00
765
89.53
300
0.00
535
0.00
770
89.40
305
0.00
540
0.00
775
89.45
310
0.00
545
0.00
780
89.39
315
0.00
550
0.00
785
89.34
320
0.00
555
0.00
790
89.37
325
0.00
560
0.00
795
89.38
330
0.00
565
0.00
800
89.27
335
0.00
570
0.00
805
89.23
340
0.00
575
0.01
810
89.14
345
0.00
580
0.02
815
89.27
350
0.00
585
0.02
820
89.05
355
0.00
590
0.03
825
89.05
360
0.00
595
0.04
830
88.98
365
0.00
600
0.06
835
89.06
370
0.00
605
0.08
840
88.68
375
0.00
610
0.13
845
88.95
380
0.00
615
0.22
850
88.76
385
0.00
620
0.40
855
88.65
390
0.00
625
0.86
860
88.43
395
0.00
630
2.30
865
88.78
400
0.00
635
6.67
870
88.71
405
0.00
640
17.94
875
88.49
410
0.00
645
38.80
880
87.78
415
0.00
650
60.61
885
88.60
420
0.00
655
74.53
890
88.20
425
0.00
660
81.51
895
88.70
430
0.00
665
84.80
900
87.68

Back to Kopp Standard Filters