Mirrors Windows

Detailed Product Description

High Precision Window

Features: High Precision Dimension Control Minimal Transmitted Beam Deviation Excellent Environmental Durability Apply Any Anti-reflecting Coating Applications: Projection Optics System Imaging Optics System Optical Measurement Systems Specifications：	High Precision Windows
Parameter	Unit
Material		BK7 grade A optical glass or UV grade fused silica ,Ge,Si, MgF2
Diameter Tolerance	mm	+0.0, -0.1
Thickness Tolerance	mm	+/-0.2
Parallelism	arc seconds	<10
Surface Quality		40-20
Bevel		0.25mm×45 °
Clear Aperture		>85%
Coating		Specified by customer