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题名:
Co-phasing measurement for segmented mirrors and image retrieval technology based on phase diversity
作者: Luo, Qun1,2,3; Ning, Yu3; Huang, Lin-Hai1,2; Gu, Nai-Ting1,2; Rao, Chang-Hui1,2
出版日期: 2012
会议名称: Proceedings of SPIE: 6th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Optical Test and Measurement Technology and Equipment
会议日期: 2012
DOI: 10.1117/12.975815
通讯作者: Luo, Q.
中文摘要: In order to improve the imaging resolution of a segmented telescope, the co-phasing error of segmented mirrors must be accurately measured and corrected. Phase Diversity (PD) refers to a technique of image-based wavefront sensing, and it could estimate both the unknown phase parameters and the unknown object. In this paper, the Phase diversity is proposed to measure the co-phasing errors and retrieve the unknown object for segmented mirrors, and the performance of this technique is simulated for point source and extended source. The simulation results demonstrate that the Phase Diversity Wavefront Sensor (PD WFS) can synchronously measure the piston errors of multi-segmented mirrors and the quality of the retrieved image is much better than before. The Phase Diversity Wavefront Sensor can be used to measure the co-phasing errors and retrieve the unknown object for the segmented mirror system. © 2012 SPIE.
英文摘要: In order to improve the imaging resolution of a segmented telescope, the co-phasing error of segmented mirrors must be accurately measured and corrected. Phase Diversity (PD) refers to a technique of image-based wavefront sensing, and it could estimate both the unknown phase parameters and the unknown object. In this paper, the Phase diversity is proposed to measure the co-phasing errors and retrieve the unknown object for segmented mirrors, and the performance of this technique is simulated for point source and extended source. The simulation results demonstrate that the Phase Diversity Wavefront Sensor (PD WFS) can synchronously measure the piston errors of multi-segmented mirrors and the quality of the retrieved image is much better than before. The Phase Diversity Wavefront Sensor can be used to measure the co-phasing errors and retrieve the unknown object for the segmented mirror system. © 2012 SPIE.
收录类别: Ei
语种: 英语
卷号: 8417
ISSN号: 0277786X
文章类型: 会议论文
页码: 84171Y
Citation statistics:
内容类型: 会议论文
URI标识: http://ir.ioe.ac.cn/handle/181551/7785
Appears in Collections:自适应光学技术研究室(八室)_会议论文

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作者单位: 1. Laboratory on Adaptive Optics, Institute of Optics and Electronics, Chinese Academy of Sciences, Chengdu 610209, China
2. Key Laboratory on Adaptive Optics, Chinese Academy of Sciences, Chengdu 610209, China
3. College of Opto-Electronics Science and Engineering, National University of Defense Technology, Changsha 410073, China

Recommended Citation:
Luo, Qun,Ning, Yu,Huang, Lin-Hai,et al. Co-phasing measurement for segmented mirrors and image retrieval technology based on phase diversity[C]. 见:Proceedings of SPIE: 6th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Optical Test and Measurement Technology and Equipment. 2012.
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