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
|
Coating quality
|
40/20
|
Wedge
|
<3 minutes
|
Wavefront distortion
|
≤1λ @ 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) |
Attenuation
Range (nm) |
Wavelength
at 50% T (nm) |
Transmission
Range (nm) |
400
|
340-380
|
400 ±10
|
440-1320
|
450
|
380-430
|
450 ±10
|
495-1485
|
500
|
425-475
|
500 ±10
|
550-1650
|
550
|
470-525
|
550 ±10
|
605-1815
|
600
|
515-575
|
600 ±10
|
660-1980
|
650
|
550-620
|
650 ±10
|
715-2145
|
700
|
600-670
|
700 ±10
|
770-2200
|
750
|
640-715
|
750 ±10
|
825-2200
|
800
|
685-760
|
800 ±10
|
880-2200
|
850
|
725-810
|
850 ±10
|
935-2200
|
900
|
770-860
|
900 ±10
|
990-2200
|
950
|
810-910
|
950 ±10
|
1045-2200
|
1000
|
855-955
|
1000 ±10
|
1100-2200
|
1100
|
930-1050
|
1100±10
|
1150-2200
|
1200
|
1020-1150
|
1200±10
|
1250-2200
|
1300
|
1110-1250
|
1300±10
|
1350-2200
|
1400
|
1200-1350
|
1400±10
|
1450-2200
|
1500
|
1290-1450
|
1500±10
|
1550-2200
|