IMECH-IR  > 力学所知识产出(1956-2008)
Numerical simulation investigation of a new approach generating phase screens for modeling a turbulent media
Chen S(陈涉); Yan HX(严海星); Li SS(李树山)
Source PublicationProceedings of SPIE - The International Society for Optical Engineering
2005
Conference NameAstronomical Adaptive Optics Systems and Applications II
Conference DateAugust 3, 2005 - August 4, 2005
Conference PlaceSan Diego, CA, United states
AbstractIn this paper, the theoretical base of the covariance approach for generating random phase screens is analyzed, and corresponding computer program is compiled. Preliminary numerical simulation investigation of this new approach is carried out. We propose to use three methods to evaluate the generated phase screens in a combining way. It is found that a comparison of the phase structure function of generated phase screens with the theoretical one is not enough and often inefficient. Open loop results and close loop results by using phase screens generated by the covariance approach are obtained and compared with those by using phase screens generated by the spectral approach for the first time within our knowledge. It is shown that the phase screens generated by covariance approach include more abundant frequency components than those generated by the spectral approach and these frequency components have obvious influences on the open loop results and the close loop results.
KeywordAtmospheric Propagation Of Optical Waves Covariance Phase Compensation Phase Screens
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Indexed ByEI
Language英语
Document Type会议论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/60278
Collection力学所知识产出(1956-2008)
Recommended Citation
GB/T 7714
Chen S,Yan HX,Li SS. Numerical simulation investigation of a new approach generating phase screens for modeling a turbulent media[C],2005.
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