参数Parameter	单位unit	数据data
直径Diameter	mm	3-100
直径公差Diameter Tolerance	mm	+0.0/-0.1mm
厚度公差Thickness Tolerance	mm	±0.1mm
面型surface accuracy		λ/4
光洁度surface quality		40-20
平行度Parallelism		<1'
有效孔径clear aperture		>90%
倒边bevelling		<0.2×45°
镀膜coating		根据客户要求customers requirement
材料material		K9、蓝宝石sapphire氟化钙Calcium Fluoride 硒化锌Zinc Selenide锗Germanium硅Silicon