|
Specifications
|
|
Substrate material
|
UV Grade Fused Silica or BK7
|
|
Diameter
|
25.0 +0~-.025 mm
|
|
Thickness
|
3 ± 0.5 mm
|
|
Min. clear aperture
|
>90% of diameter
|
|
Tpeak
|
>35%
|
|
Attenuation
|
T<0.01%
|
|
Angle of incidence
|
0° ± 5°
|
|
Coating Technology
|
Electron beam evaporation, dielectric multilayers, or metal induced interference filter
|
|
Surface quality
|
20/10 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
|
|
Certification
|
Spectrophotometer print of lot sample
|
|
Cleaning
|
Non-abrasive method, isopropyl alcohol on lens tissue recommended
|
|
Wavelength(nm)
|
355, 405, 488, 514, 532, 633, 780, 850, 1064
|
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Img 1
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