15 Oct 2009 FACIMTON offers windows with a variety of materials,including BK7,Fused Silica,Float Glass,Sapphire,CaF2,Si, Ge, MgF2, ZnSe, and so on. Specification：
Material: BK7,Fused Silica,Float Glass,Sapphire,CaF2,Si,Ge,MgF2,ZnSe,etc.
Dimension：0.5-200mm
Dimension Tolerance：±0.1mm
Thickness Tolerance：±0.1mm
Clear Aperture：80％
Flatness：λ/2, λ/8 per 25mm@632.8nm
Wavefront Distortion：λ/2, λ/8 per 25mm@632.8nm
Parallelism：1 arc min，5 arc sec, etc.
Protective Bevel：0.2×45°
Surface quality：80-50，60-40，40-20，10-5
Coating：Custom Design. |
