Substrate Material:optical glass,quartz,pyrex,sapphire,znse,caf2,ge,si,etc
Diameters Available:1mm to 400mm
Diameter Tolerance:+0.00/-0.005mm or customer design
Thickness:0.05mm to 100mm
Surface Quality:40-20 or customer design
Surface Flatness:1/2lambda or customer design
Clear Aperture:>90% of Diameter
Coating:AR,BBAR,HR,MGF2,AL,Sliver,Golden