Precise alignment of off-axis three-mirror reflecting optical system based on phase diversity

被引：0
|
作者：
Cheng, Qiang [1 ]
机构：
[1] Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun,130033, China
来源：
Chinese Optics Letters | 2015年 / 13卷
关键词：
Image reconstruction - Optical systems - Image enhancement - Restoration - Wavefronts;
D O I：
10.3788/COL201513.S11003
中图分类号：
TN2 [光电子技术、激光技术];
学科分类号：
0803 ; 080401 ; 080901 ;
摘要：
Phase diversity (PD) is a kind of wavefront sensing technology based on image collecting and post-processing. We apply the PD technology to align an off-axis three-mirror reflecting anastigmatic system precisely. It can be concluded that the wavefront error obtained by PD agrees well with the interferometric result. The focused images are also restored according to the testing results of PD, and the qualities of restored images are improved. © 2015 Chinese Optics Letters.
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