Fused Silica Windows

Manufactured in the USAManufactured in the USA


Fused Silica Windows and Fused Quartz Windows are made at Guild Optics every day. Useful for less rugged environments that need good UV performance. Custom sizes are manufactured to your exact specifications creating a cost effective window for your optical application. Fused Silica has different qualities and grades that transmit well in various wavelengths.

Sapphire Windows are preferred for more harsh conditions, but fused silica is acceptable for normal non contact applications. 


Diameter:From 1 mm (.039″) to 228 mm (9″)
Thickness:Nearly any thickness; varies by diameter
Surface Quality:Down to 40/20 Scratch/Dig
Quantities:From singles to full production runs

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Durable, scratch resistant, stronger than glass

learn the benefits of sapphire optics