材質                                  UV級熔融石英

適用波長                            355nm

直徑                                   25.4mm

麵型精度@633nm                λ/10

通光口徑                直徑的90%

表麵質量                10-5

直徑公差                              +0.0/-0.1mm

中心偏                                 <3 arc min

厚度                                    6.0+0.2/-0.2mm

損傷閥值                               3.5J/CM2, 10NS,10HZ

入射角                                  0度和45度