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题名:
Effect of pinhole diameter on correction accuracy of closed-loop adaptive optics system using self-referencing interferometer wavefront sensor
作者: Bai Fu-Zhong1,2,3,4; Rao Chang-Hui1,2
刊名: ACTA PHYSICA SINICA
出版日期: 2010-11-01
卷号: 59, 期号:11, 页码:8280-8286
关键词: adaptive optics ; self-referencing interferometer wavefront sensor ; pinhole diameter ; closed-loop correction
文章类型: Article
英文摘要: When the self-referencing interferometer wavefront sensor (SRIWFS) is applied to the absolute measurement of wavefront phase, the pinhole diameter should be less than half the Airy-disk diameter (d(A)) produced by an unaberrated optic so as to obtain a good approximation to a reference plane wave. In this way, however, the intensity transmission is also greatly reduced. To increase the intensity transmission as much as possible and improve the fringe contrast especially in the beginning of closed-loop correction, the maximal pinhole diameter allowed in the closed-loop correction with using SRIWFS is studied. Computer simulation and experiment demonstrate that a pinhole with not greater than 1.5d(A) can obtain a satisfied correction result and the Strehl ratio after correction is greater than 80%. Additionally, for a plane wavefront the intensity transmission will be increased from 63% to 90% as the pinhole diameter increases from 0.5d(A) to 1.5d(A).
WOS标题词: Science & Technology ; Physical Sciences
类目[WOS]: Physics, Multidisciplinary
研究领域[WOS]: Physics
关键词[WOS]: POINT-DIFFRACTION INTERFEROMETER ; LIQUID-CRYSTAL ; PERFORMANCE
收录类别: SCI
语种: 英语
WOS记录号: WOS:000284659900120
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ioe.ac.cn/handle/181551/3380
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.Chinese Acad Sci, Key Lab Adapt Opt, Chengdu 610209, Peoples R China
3.Inner Mongolia Univ Technol, Sch Mech Engn, Hohhot 010051, Peoples R China
4.Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China

Recommended Citation:
Bai Fu-Zhong,Rao Chang-Hui. Effect of pinhole diameter on correction accuracy of closed-loop adaptive optics system using self-referencing interferometer wavefront sensor[J]. ACTA PHYSICA SINICA,2010,59(11):8280-8286.
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