Li Yichao, Kang Fuzeng, Wang Hao. Imaging property analysis of segmented mirror[J]. Infrared and Laser Engineering, 2019, 48(1): 118006-0118006(6). doi: 10.3788/IRLA201948.0118006
| Citation:
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Li Yichao, Kang Fuzeng, Wang Hao. Imaging property analysis of segmented mirror[J]. Infrared and Laser Engineering, 2019, 48(1): 118006-0118006(6). doi: 10.3788/IRLA201948.0118006
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Imaging property analysis of segmented mirror
- 1.
State Key Laboratory of Transient Optics and Photonics,Xi'an Institute of Optics and Precision Mechanics of Chinese Academy of Sciences,Xi'an 710119,China;
- 2.
University of Chinese Academy of Sciences,Beijing 100049,China
- Received Date: 2018-08-13
- Rev Recd Date:
2018-09-17
- Publish Date:
2019-01-25
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Abstract
Segmented errors have important influence on the image quantity of segmented mirror. The complex amplitude distribution of reflected lightwave corresponding to single segment was given based on the scalar diffraction theory. The analysis model which characterized the impact of segmented errors was established by processing the segmented errors through coordinate transformation method. The Point Spread Function (PSF) and Strehl Ratio (SR) curves corresponding to various segmented errors were got by numerical simulation. The results show that SR curves corresponding to piston errors are periodic. The SR curves corresponding to tip-tilt errors and segment gaps have same structures. The conclusion provides a support for the image quantity analysis of segmented mirror.
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