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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, S1-UV Grade Fused Silica
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 and welding window substrates. Esco carries a complete inventory of circular commercial quality windows of S1-UV Grade Fused Silica. Windows are polished both sides with ground edges.
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 custom part would cost.
QUESTIONS & ANSWERS
Ask a Question-
What would be the weight of a window 20 inches diameter, 2 inches thick?
Hello Mike, thank you for your question. The density of Fused Silica is 2.2046 grams/cubic centimeter. Which leads us to our calculation of 20 inch diameter window at 2” thick would be 50.05 lbs. It’s a good sized window and if you’d like a custom quote please follow this link to our custom quote tool https://escooptics.com/pages/custom-optics-form and we should have a cost back to you quickly.
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ITAR Registered & Compliant
ITAR registered and compliant, Esco manufactures ITAR optics for all of its customers with the strictest confidentiality.