Fused Silica Optical Window

Fused silica window, with low thermal expansion, providing stability and resistance to thermal shock over large temperature excursions, wide thermal operating range and high laser damage threshold, is a better choice for transmission from UV to IR.

  Standard High Precision

Dimension Tolerance 0.0/-0.2 0.0/-0.02

Thickness Tolerance ±0.2 ±0.005

Surface quality: 60-40 10-5

Clear Aperture 85% 95%

Flatness per 25mm@633nm ? /2 ?/10

Parallelism 3 min 3 sec