技术规格:

材料..............................................................H-K9L优,融石英

尺寸公差...............................................................±0.20mm

厚度公差...............................................................±0.20mm

有效孔径....................................................................>90%

面形.........................................................................见下表

平行度...........................................................<3 arc minutes

光洁度........................................................................60-40

镀膜.......................S1面镀保护铝膜,Ravg>87%@400~800nm