|
Specifications
|
|
|
Substrate material
|
UV Grade Fused Silica or BK7
|
|
Diameter
|
25.0 +0~-.025 mm
|
|
Thickness
|
3 ± 0.5 mm
|
|
Min. clear aperture
|
>85% of diameter
|
|
Transmission
|
>90% average within specified range
|
|
Attenuation
|
>99% average within specified range
|
|
Angle of incidence
|
0° ± 5°
|
|
Coating Technology
|
Electron beam evaporation, dielectric multilayers
|
|
Surface quality
|
20/10 per MIL-O-13830B
|
|
Coating quality
|
40/20 per MIL-O-13830B
|
|
Wedge
|
<3 minutes
|
|
Wavefront distortion
|
≤1 λ @ 633nm per 25mm
|
|
Humidity resistance
|
Per MIL-C-675A
|
|
Abrasion resistance
|
Per MIL-C-675A
|
|
Optimum temperature
|
23°C
|
|
Temperature limits
|
-50°C to 100°C
|
|
COWL
(nm) |
Transmission
Range (nm) |
Wavelength
at 50% T (nm) |
Attenuation
Range (nm) |
|
450
|
305-425
|
450 ±10
|
475-530
|
|
500
|
340-475
|
500 ±10
|
525-600
|
|
550
|
375-520
|
550 ±10
|
575-650
|
|
600
|
400-565
|
600 ±10
|
630-720
|
|
650
|
400-615
|
650 ±10
|
680-760
|
|
700
|
400-660
|
700 ±10
|
735-835
|
|
750
|
400-710
|
750 ±10
|
790-885
|
|
800
|
400-755
|
800 ±10
|
840-940
|
|
850
|
400-805
|
850 ±10
|
895-1000
|
|
900
|
400-850
|
900 ±10
|
945-1060
|
|
950
|
400-900
|
950 ±10
|
1000-1125
|
|
1000
|
400-945
|
1000 ±10
|
1050-1180
|
