GrayGlass - www.grayglass.net
Kopp Blue - Green - 4305
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Blue - Green - 4305
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| Note: Graph and tabular data at 3.80 mm | |||||
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Filter Specifications
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| Transmission at 576 nm must be 15 ± 0.7% | |||||
| Difference between 15% and 60% transmission must 50 - 60 nm | |||||
| Maximum transmission must be at 464 ± 5 nm | |||||
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Physical Properties
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| Nominal Thickness Range | 3.5 - 4.5 mm | ||||
| Refractive Index | nD = 1.51 | ||||
| Density | 2.50 g/cm3 | ||||
| Thermal Linear Expansion | 95E-7 /ºC (30-300 ºC) | ||||
| Strain Temperature | 474 ºC | ||||
| Annealing Temperature | 511 ºC | ||||
| Deformation Temperature | 685 ºC | ||||
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Blue - Green - 4305
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Wavelength
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Transmission
|
Wavelength
|
Transmission
|
Wavelength
|
Transmission
|
|
(nm)
|
(%)
|
(nm)
|
(%)
|
(nm)
|
(%)
|
|
200
|
0.00
|
435
|
75.66
|
670
|
0.26
|
|
205
|
0.00
|
440
|
76.15
|
675
|
0.21
|
|
210
|
0.00
|
445
|
76.73
|
680
|
0.17
|
|
215
|
0.00
|
450
|
77.15
|
685
|
0.15
|
|
220
|
0.00
|
455
|
77.58
|
690
|
0.12
|
|
225
|
0.00
|
460
|
77.82
|
695
|
0.10
|
|
230
|
0.00
|
465
|
77.98
|
700
|
0.09
|
|
235
|
0.00
|
470
|
77.75
|
705
|
0.08
|
|
240
|
0.00
|
475
|
77.45
|
710
|
0.07
|
|
245
|
0.00
|
480
|
76.99
|
715
|
0.06
|
|
250
|
0.00
|
485
|
76.04
|
720
|
0.05
|
|
255
|
0.00
|
490
|
74.86
|
725
|
0.05
|
|
260
|
0.00
|
495
|
73.36
|
730
|
0.04
|
|
265
|
0.00
|
500
|
71.47
|
735
|
0.04
|
|
270
|
0.00
|
505
|
68.95
|
740
|
0.04
|
|
275
|
0.00
|
510
|
66.27
|
745
|
0.03
|
|
280
|
0.00
|
515
|
63.01
|
750
|
0.03
|
|
285
|
0.00
|
520
|
59.39
|
755
|
0.03
|
|
290
|
0.00
|
525
|
55.42
|
760
|
0.03
|
|
295
|
0.00
|
530
|
51.24
|
765
|
0.03
|
|
300
|
0.00
|
535
|
46.82
|
770
|
0.03
|
|
305
|
0.00
|
540
|
42.32
|
775
|
0.03
|
|
310
|
0.00
|
545
|
37.83
|
780
|
0.02
|
|
315
|
0.00
|
550
|
33.47
|
785
|
0.03
|
|
320
|
0.00
|
555
|
29.22
|
790
|
0.03
|
|
325
|
0.04
|
560
|
25.34
|
795
|
0.03
|
|
330
|
0.43
|
565
|
21.73
|
800
|
0.03
|
|
335
|
2.02
|
570
|
18.38
|
805
|
0.03
|
|
340
|
5.98
|
575
|
15.46
|
810
|
0.03
|
|
345
|
12.45
|
580
|
12.91
|
815
|
0.03
|
|
350
|
20.72
|
585
|
10.66
|
820
|
0.03
|
|
355
|
29.41
|
590
|
8.76
|
825
|
0.03
|
|
360
|
37.45
|
595
|
7.14
|
830
|
0.03
|
|
365
|
44.53
|
600
|
5.79
|
835
|
0.03
|
|
370
|
50.15
|
605
|
4.66
|
840
|
0.03
|
|
375
|
54.30
|
610
|
3.74
|
845
|
0.03
|
|
380
|
57.52
|
615
|
2.99
|
850
|
0.04
|
|
385
|
61.12
|
620
|
2.38
|
855
|
0.04
|
|
390
|
64.32
|
625
|
1.89
|
860
|
0.04
|
|
395
|
66.71
|
630
|
1.50
|
865
|
0.04
|
|
400
|
68.57
|
635
|
1.19
|
870
|
0.05
|
|
405
|
70.11
|
640
|
0.95
|
875
|
0.04
|
|
410
|
71.35
|
645
|
0.75
|
880
|
0.06
|
|
415
|
72.54
|
650
|
0.60
|
885
|
0.06
|
|
420
|
73.50
|
655
|
0.48
|
890
|
0.07
|
|
425
|
74.36
|
660
|
0.39
|
895
|
0.07
|
|
430
|
75.07
|
665
|
0.31
|
900
|
0.08
|