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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, G1 Commercial Grade Fused Quartz
Esco PN:|
Diameter Tolerance |
+/- 0.125 mm |
|
Thickness Tolerance |
+/- 0.125 mm |
|
Surface Accuracy |
≤ 2λ per inch |
|
Surface Quality |
60-40 Scratch-Dig or better |
|
Parallelism |
<5' |
|
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 a complete inventory of G1 Commercial Grade Fused Silica circular commercial optical windows. G1 coding refers to the Striae (per MIL-G-174A) C-D, Index Variation ∆n(x10-6) 20
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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Military & Defense Supplier
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ITAR Registered & Compliant
ITAR registered and compliant, Esco manufactures ITAR optics for all of its customers with the strictest confidentiality.