ALKOR Technologies - your CRYSTAL optics supplier.   ALKOR Technologies - your CRYSTAL optics supplier.
ALKOR Technologies - your CRYSTAL optics supplier.
Materials>>Fused Silica>> Fused Silica lenses

UV Fused Silica lenses, IR grade Fused Silica lenses

Alkor Technologies - manufacturer of custom Fused Silica optical lenses according to your specifications.

Our Fused Silica lenses are available in UV and IR grades for different applications. Please check Fused Silica page for more information about transmission rates.

We supply the following Fused Silica lenses with any desired focal length:

Please send us your specifications, we will quote it for you within 24 hours.

Fused Silica lenses

See also: Fused Silica windows; Sapphire lenses

Standard Specifications
Material Synthetic Fused Silica (UV or IR grade)
Dimensions ▒ 0.00/-0.10mm
Thickness ▒ 0.10mm
Focal length tolerance ▒2%
Surface quality 60/40
Surface irregularity 1 λ at 0.63Ám
Edges Fine Ground
Clear Aperture 90% of diameter
Centration ≤ 3 Arc mins

Fused Silica is used for lenses in the transmission range 0.18-3.5Ám. Fused Silica refractive index varies from 1.55 to 1.40 through the transmission range. It is resistant to scratching and thermal shock. AR and Reflective Coatings are available for Fused Silica optics.