Committed to the Future, Fulfilling the Promise of Excellence

Specifications

Material BK7、Synthetic Quartz 、Fused silica、OHARA、SCHOTT、Customer-designated materials 
Diameter(Φ) 2mm~200mm
Grade Low grade General grade High grade
Diameter tolerance +/-0.2 ±0.1mm ±0.05mm
Surface quality 60/40 40/20 20/10
Extinction Ratio 1000:1 1000:1 1000:1
S-Polarization Reflection (%) >99.5 >99.5 >99.5
P-Polarization Transmission (%) >95 >95 >95
Surface flatness 1λ@ 633nm 1/2λ @ 633nm λ/4@ 633nm
Thickness tolerance +/-0.2 ±0.1mm ±0.05mm
Beam Deviation (arcmin) ±3 ±3 ±3
Clear Aperture (%) 90 90 90
Bevel Protective bevel as needed  Protective bevel as needed Protective bevel as needed 
Coating Multilayer dielectric coating
Specified by customer
Multilayer dielectric coating
Specified by customer
Multilayer dielectric coating
Specified by customer