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Wavefront sensorless adaptive optics: a general model-based approach
Huang Linhai; Rao, Changhui
Source PublicationOPTICS EXPRESS
Indexed BySCI
WOS IDWOS:000285915300050
AbstractWavefront 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 Research AreaOptics
WOS SubjectOptics
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Cited Times:39[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
AffiliationChinese Acad Sci, Inst Opt & Elect, Lab Adapt Opt, Chengdu 610209, Peoples R China
Recommended Citation
GB/T 7714
Huang Linhai,Rao, Changhui. Wavefront sensorless adaptive optics: a general model-based approach[J]. OPTICS EXPRESS,2011,19(1):371-379.
APA Huang Linhai,&Rao, Changhui.(2011).Wavefront sensorless adaptive optics: a general model-based approach.OPTICS EXPRESS,19(1),371-379.
MLA Huang Linhai,et al."Wavefront sensorless adaptive optics: a general model-based approach".OPTICS EXPRESS 19.1(2011):371-379.
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