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American Owned & Operated
Esco Optics is a leading manufacturer of custom and catalog optics, precision optical components, and ITAR optics in the United States.
Commercial Quality Windows, Circular, Borofloat 33
Esco PN:|
Diameter Tolerance |
+/- 0.125 mm |
|
Thickness Tolerance |
+/- 0.250 mm |
|
Surface Accuracy |
5λ per inch |
|
Surface Quality |
80-50 Scratch-Dig or better |
|
Parallelism |
<15' |
|
Edges |
Fine ground and safety beveled* |
|
Clear Aperture |
90% |
*parts under 25.4mm in diameter may not have beveled edges
Commercial windows are used for sight glasses, instrument windows, beamsplitter substrates, vacuum windows, welding window substrates. Esco carries inventory of circular and square commercial optical windows of Borofloat 33 that is direct equivalent of Pyrex, which is no longer manufactured. Schott Borofloat 33 data sheet is available here.
Don't see a part that matches exactly what you need, perhaps you'd like to modify a dimension or add a coating? Use our fast online quote tool to find out what a modification would cost.
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ITAR registered and compliant, Esco manufactures ITAR optics for all of its customers with the strictest confidentiality.