柱面镜技术参数
|
参数Parameter |
单位unit |
数据data |
|
直径公差Diameter Tolerance |
mm |
+0.0/-0.1mm |
|
厚度公差Thickness Tolerance |
mm |
&plu***n;0.1mm |
|
焦距公差Focal Tolerance |
mm |
&plu***n;1% |
|
面型surface accuracy |
|
λ/2 |
|
光洁度surface quality |
|
40-20 |
|
偏心centration |
|
<3' |
|
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 |
|
Bk7..石英玻璃fused silicon |
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