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Optical windows are used for protecting fragile optical components inside an assembly. Sapphire is best suited for scratch resistance application with better transmission over the wide range spectrum. It can be made much thinner than BK7 windows.

General Specifications:

Parameter Value
Selection code WSP00x
Material Sapphire
Dimensional tolerance +/-0.20
Clear aperture >80%
Surface quality 80-50
Parallelism 3 arc min
Wavefront distortion 1l per 25mm
Protective bevel <0.25x45 deg
Coating Optional

PN
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Description Diameter Thickness
WSP004 Optical window, Sapphire, D=10, t=1 10 1
WSP005 Optical window, Sapphire, D=12.5, t=2 12.5 2
WSP006 Optical window, Sapphire, D=20, t=2 20 2
WSP008 Optical window, Sapphire, D=25, t=2 25 2


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