HOME    →  PRODUCTS > PRECISION OPTICS >
     Go back
3-1

WINDOWS

Optical windows use optically flat, transparent optical material that allow light into an instrument. Wisoptic offer a wide variety optical windows and interferometer flats for common or very demanding interferometer measurements. Custom design is upon request. 
 
 
 


Technical Data [Windows]
 
Material BK7 or UV fused silica
Diameter Tolerance +0.0/-0.15 mm
Thickness Tolerance ±0.25mm
Clear Aperture > 85% of central area
Surface Quality [S/D] < 20/10 [S/D]
Wavefront  Distortion λ/10 @ 633nm
Parallelism ≤ 5”
Chamfers 12.7&25.4mm:0.25-0.75mm face  width×45°±15°
Coating Upon request