Rectangular Windows

Optola offers wide range of high quality Rectangular Windows.


Custom design Rectangular Windows are available upon request.


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You can specify desired parameters during checkout.

Material BK7 or UV fused silica
Diameter Tolerance +0/-0.15mm
Thickness Tolerance ±0.25mm
Clear Aperture >Central 85% of diameter
Parallelism <5″
Surface Quality 20/10
Transmitted Wavefront λ/10 @632.8nm
Chamfers 12.7 & 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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