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Analysis and experimental demonstration of adaptive optics based on the modal control optimization
Bangming Li; Changwei Li; Peng Jia; Sijiong Zhang
2012-09-13
Source PublicationAdaptive Optics Systems III
Volume8447
Issue8447
PagesVol.8447 33-1-7
Conference Date2012-7-1
Conference PlaceAmsterdam, Netherlands
Funding OrganizationThe International Society for Optical Engineering
PublisherSPIE
Abstract
A modal control optimization method for adaptive optics on the tempo-spatial domain is presented. The spatial modes of the adaptive optics system can be obtained by the singular value decomposition of the response function matrix of the adaptive optics system. The number of correction modes is determined dynamically by the root mean square estimation of the residual aberration after the correction with different number of modes. A Smith compensator is designed to reduce the time delay effect on the closed-loop system. The modal optimization method is experimentally verified by compensating phase distortion produced by artificial atmospheric turbulence in laboratory. Experimental results show that the correction capability of the adaptive optics system can be greatly improved in comparison to that of the generic modal gain integrator approach with the fixed number of correction modes. The modal control optimization method is an attractive and practical alternative to adaptive optics control.
KeywordAdaptive Optics Modal Control Optimization
Subject Area自适应光学
Document Type会议论文
Identifierhttp://ir.niaot.ac.cn/handle/114a32/641
Collection中国科学院南京天文光学技术研究所_会议论文
中科院天文光学技术重点实验室_会议论文
Recommended Citation
GB/T 7714
Bangming Li,Changwei Li,Peng Jia,et al. Analysis and experimental demonstration of adaptive optics based on the modal control optimization[C]:SPIE,2012:Vol.8447 33-1-7.
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