Parameter: Item PLCX, PLCC, BICX, BIXX, CXCC, DOUBLET Material BK7 etc. Design Wavelength Customer design Dimension Tolerance +0/-0.05mm Thickness Tolerance +/-0.1mm Surface Quality 40-20 or better Surface Figure Sph surface: Lambda/4 or better @632.8nm Center Error ETV better than 0.01mm Clear Aperture 90% of diameter Bevel Protective bevel Coating BBAR or customer design
