Square Windows

Optola offers wide range of high quality Square Windows.


Custom design Square  Windows are available upon request.


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You can specify desired parameters during checkout.

MaterialBK7 or UV fused silica
Diameter Tolerance+0/-0.15mm
Thickness Tolerance±0.25mm
Clear Aperture>Central 85% of diameter
Surface Quality20/10
Transmitted Wavefrontλ/10 @632.8nm
Chamfers12.7 & 25.4mm:0.25-0.75mm face  width x 45°±15°  

50.8mm:0.38-1.14 mm face  width x 45°±15°

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