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Analysis of relationship between far-field images and piston error of synthetic-aperture telescopes for the broadband target wave
Zheng Liu; Sheng-qian Wang; Chang-hui Rao
Pages1-5
2011
Language英语
Indexed ByEi
Subtype会议论文
AbstractThe technology of detecting and correcting piston error is one of the key technologies for synthetic-aperture telescopes to achieve high resolution. In this paper, the relationship between the far-field images of synthetic-aperture system and the piston error was deduced, and the effect of the piston error was described from these equations. Afterwards, the point spread function (PSF) of dual-aperture systems of Fizeau-type under various phase errors was theoretically analyzed in detail, which, led to a description of the relationship between far-field images and piston error. Based on some calculations and simulations, patterns of PSFs' distribution under different piston errors were analyzed for the cases of monochromatic and broadband target wave. And, regulars between intensities and corresponding coordinate of the peaks of PSF and piston error were analyzed, which would provide theoretical supports for our next step research of new methods of detecting piston error.; The technology of detecting and correcting piston error is one of the key technologies for synthetic-aperture telescopes to achieve high resolution. In this paper, the relationship between the far-field images of synthetic-aperture system and the piston error was deduced, and the effect of the piston error was described from these equations. Afterwards, the point spread function (PSF) of dual-aperture systems of Fizeau-type under various phase errors was theoretically analyzed in detail, which, led to a description of the relationship between far-field images and piston error. Based on some calculations and simulations, patterns of PSFs' distribution under different piston errors were analyzed for the cases of monochromatic and broadband target wave. And, regulars between intensities and corresponding coordinate of the peaks of PSF and piston error were analyzed, which would provide theoretical supports for our next step research of new methods of detecting piston error.
Conference NameProceeding of IEEE-2010 OSA-IEEE-cos Advences in Optoelectronics and Micro/Nano-Optics
Conference Date2011
Document Type会议论文
Identifierhttp://ir.ioe.ac.cn/handle/181551/7757
Collection自适应光学技术研究室(八室)
Corresponding AuthorZheng Liu
Affiliation中国科学院光电技术研究所
Recommended Citation
GB/T 7714
Zheng Liu,Sheng-qian Wang,Chang-hui Rao. Analysis of relationship between far-field images and piston error of synthetic-aperture telescopes for the broadband target wave[C],2011:1-5.
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