Kopp Sharp Cut Red - 2418

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Sharp Cut Red - 2418
 
Note: Graph and tabular data at 3.41 mm
Filter Specifications
Transmission must be 37% between 599 nm and 610 nm (cut-off wavelength)
Transmission must be ³  80% from 640 nm to 750 nm 
Transmission must be < 0.5% at wavelength shorter than 579 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 - 2418
Wavelength
Transmission
Wavelength
Transmission
Wavelength
Transmission
(nm)
(%)
(nm)
(%)
(nm)
(%)
200
0.00
435
0.00
670
88.28
205
0.00
440
0.00
675
88.48
210
0.00
445
0.00
680
88.65
215
0.00
450
0.00
685
88.74
220
0.00
455
0.00
690
88.96
225
0.00
460
0.00
695
89.01
230
0.00
465
0.00
700
89.11
235
0.00
470
0.00
705
89.15
240
0.00
475
0.00
710
89.13
245
0.00
480
0.00
715
89.16
250
0.00
485
0.00
720
89.12
255
0.00
490
0.00
725
89.15
260
0.00
495
0.00
730
89.16
265
0.00
500
0.00
735
89.07
270
0.00
505
0.00
740
89.00
275
0.00
510
0.00
745
89.04
280
0.00
515
0.00
750
89.01
285
0.00
520
0.00
755
88.90
290
0.00
525
0.00
760
88.80
295
0.00
530
0.00
765
88.73
300
0.00
535
0.00
770
88.68
305
0.00
540
0.00
775
88.55
310
0.00
545
0.00
780
88.44
315
0.00
550
0.00
785
88.45
320
0.00
555
0.00
790
88.32
325
0.00
560
0.00
795
88.19
330
0.00
565
0.00
800
88.19
335
0.00
570
0.01
805
88.09
340
0.00
575
0.05
810
87.87
345
0.00
580
0.25
815
87.94
350
0.00
585
1.25
820
87.75
355
0.00
590
5.04
825
87.68
360
0.00
595
14.71
830
87.60
365
0.00
600
30.65
835
87.44
370
0.00
605
48.44
840
87.36
375
0.00
610
63.09
845
87.42
380
0.00
615
72.92
850
87.39
385
0.00
620
78.82
855
87.12
390
0.00
625
82.18
860
87.22
395
0.00
630
84.15
865
87.47
400
0.00
635
85.30
870
87.36
405
0.00
640
86.09
875
86.75
410
0.00
645
86.61
880
86.65
415
0.00
650
87.11
885
86.30
420
0.00
655
87.50
890
87.14
425
0.00
660
87.71
895
85.84
430
0.00
665
88.02
900
85.98

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