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

Esco PN:

$ 13⁸⁶

Quantity

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.

We Also Recommend