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题名:
Wavefront sensorless adaptive optics: a general model-based approach
作者: Huang Linhai; Rao, Changhui
刊名: OPTICS EXPRESS
出版日期: 2011-01-03
卷号: 19, 期号:1, 页码:371-379
文章类型: Article
英文摘要: Wavefront sensorless adaptive optics (AO) systems have been widely studied in recent years. To reach optimum results, such systems require an efficient correction method. In this paper, a general model-based correction method for a wavefront sensorless AO system is presented. The general model-based approach is set up based on a relationship wherein the second moments (SM) of the wavefront gradients are approximately proportionate to the FWHM of the far-field intensity distribution. The general model-based method is capable of taking various common sets of functions as predetermined bias functions and correcting the aberrations by using fewer photodetector measurements. Numerical simulations of AO corrections of various random aberrations are performed. The results show that the Strehl ratio is improved from 0.07 to about 0.90, with only N + 1 photodetector measurement for the AO correction system using N aberration modes as the predetermined bias functions. (C) 2010 Optical Society of America
WOS标题词: Science & Technology ; Physical Sciences
类目[WOS]: Optics
研究领域[WOS]: Optics
收录类别: SCI
语种: 英语
WOS记录号: WOS:000285915300050
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ioe.ac.cn/handle/181551/3415
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: Chinese Acad Sci, Inst Opt & Elect, Lab Adapt Opt, Chengdu 610209, Peoples R China

Recommended Citation:
Huang Linhai,Rao, Changhui. Wavefront sensorless adaptive optics: a general model-based approach[J]. OPTICS EXPRESS,2011,19(1):371-379.
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