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题名:
Shack-Hartmann wavefront sensing based on binary-aberration-mode filtering
作者: Wang, Shuai1,2; Yang, Ping1; Xu, Bing1; Dong, Lizhi1; Ao, Mingwu3
刊名: OPTICS EXPRESS
出版日期: 2015-02-23
卷号: 23, 期号:4, 页码:5052-5063
文章类型: Article
英文摘要: Spot centroid detection is required by Shack-Hartmann wavefront sensing since the technique was first proposed. For a Shack-Hartmann wavefront sensor, the standard structure is to place a camera behind a lenslet array to record the image of spots. We proposed a new Shack-Hartmann wavefront sensing technique without using spot centroid detection. Based on the principle of binary-aberration-mode filtering, for each subaperture, only one light-detecting unit is used to measure the local wavefront slopes. It is possible to adopt single detectors in Shack-Hartmann wavefront sensor. Thereby, the method is able to gain noise benefits from using singe detectors behind each subaperture when used for sensing rapid varying wavefront in weak light. Moreover, due to non-discrete pixel imaging, this method is a potential solution for high measurement precision with fewer detecting units. Our simulations demonstrate the validity of the theoretical model. In addition, the results also indicate the advantage in measurement accuracy. (C) 2015 Optical Society of America
WOS标题词: Science & Technology ; Physical Sciences
类目[WOS]: Optics
研究领域[WOS]: Optics
关键词[WOS]: ADAPTIVE OPTICS ; SENSOR ; SYSTEM
收录类别: SCI
语种: 英语
WOS记录号: WOS:000350872700117
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ioe.ac.cn/handle/181551/2542
Appears in Collections:光电技术研究所被WoS收录文章_期刊论文

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作者单位: 1.Chinese Acad Sci, Inst Opt & Elect, Chengdu 610209, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100039, Peoples R China
3.Univ Elect Sci & Technol China, Sch Optoelect Informat, Chengdu 610054, Peoples R China

Recommended Citation:
Wang, Shuai,Yang, Ping,Xu, Bing,et al. Shack-Hartmann wavefront sensing based on binary-aberration-mode filtering[J]. OPTICS EXPRESS,2015,23(4):5052-5063.
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