Product Main

Quick Details

Material:	Quartz

Specifications

Attribute	Specification
Material	Quartz
Typical Diameter (Φmm)	10.0, 12.7, 15.0, 20.0, 25.4, 30.0
Diameter Tolerance (mm)	+0.0/-0.2
Wavefront Distortion	λ/8@633nm
Retardation Tolerance	<λ/300 (General), <λ/500 (High Precision)
Parallelism	<3arc second.(General) , <1 arc second .(High Precision)
Surface Quality	20/10
Clear Aperture	Central 90%
Coating	<0.2% @wavelength