Commercial Quality Windows, Square, S1-UV Grade Fused Silica


Diameter Tolerance

+/- 0.125 mm

Thickness Tolerance

+/- 0.125 mm

Surface Accuracy

~5 wave per inch

Surface Quality

60-40, scratch-dig or better




Fine ground and beveled*

*parts under 25.4mm in diameter may not have beveled edges

Commercial Quality Windows, Square, S1-UV Grade Fused Silica

Esco PN:
  • $ 1650

Commercial windows are used for sight glasses, instrument windows, beamsplitter substrates, vacuum windows and welding window substrates. Esco carries a complete inventory of square commercial optical windows made from S1-UV Grade Fused Silica.


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