材质                                  UV级熔融石英

适用波长                            355nm

直径                                   50.8mm

面型精度@633nm                λ/10

通光口径                直径的90%

表面质量                10-5

直径公差                              +0.0/-0.1mm

中心偏                                 <3 arc min

厚度                                    12.0+0.2/-0.2mm

损伤阀值                               3.5J/CM2, 10NS,10HZ

入射角                                  0度和45度