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题名:
Numerical simulation of anisoplanatic imaging of astronomical telescope through atmospheric turbulence
作者: He Chaolan; H.WEi; M.Shen
出版日期: 2011
会议名称: Proc. of SPIE
会议日期: 2011
通讯作者: He Chaolan
中文摘要: Anisoplanatism refers to the fact that the turbulence-induced wavefront distortions for propagation paths from the observed object with even slightly different propagation directions can be considerably different. A numerical simulation method of anisoplanatic imaging through volume atmospheric turbulence has been developed in this paper. The propagation of optical rays through volume turbulence is considered as a process of successive scattering of the light wave by a set of phase screens. We give the calculation method of the optimal configuration for multiple phase screens, and t give the flow chart of the whole simulation process of anisoplantic imaging. Then, the anisoplanatic degradation as a function of the separated angle as seen from the receiving aperture of telescope for various numbers of phase screens and different aperture diameters is analyzed. The analyses of the simulation data show that three phase screens is adequate to the representation of the effect of volume turbulence. The simulation method presented here is applicable to a wide range of parameters of telescope imaging system and atmospheric turbulence.
英文摘要: Anisoplanatism refers to the fact that the turbulence-induced wavefront distortions for propagation paths from the observed object with even slightly different propagation directions can be considerably different. A numerical simulation method of anisoplanatic imaging through volume atmospheric turbulence has been developed in this paper. The propagation of optical rays through volume turbulence is considered as a process of successive scattering of the light wave by a set of phase screens. We give the calculation method of the optimal configuration for multiple phase screens, and t give the flow chart of the whole simulation process of anisoplantic imaging. Then, the anisoplanatic degradation as a function of the separated angle as seen from the receiving aperture of telescope for various numbers of phase screens and different aperture diameters is analyzed. The analyses of the simulation data show that three phase screens is adequate to the representation of the effect of volume turbulence. The simulation method presented here is applicable to a wide range of parameters of telescope imaging system and atmospheric turbulence.
收录类别: Ei
语种: 英语
卷号: 8196
文章类型: 会议论文
页码: 819621
内容类型: 会议论文
URI标识: http://ir.ioe.ac.cn/handle/181551/7452
Appears in Collections:应用光学研究室(二室)_会议论文

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作者单位: 中国科学院光电技术研究所

Recommended Citation:
He Chaolan,H.WEi,M.Shen. Numerical simulation of anisoplanatic imaging of astronomical telescope through atmospheric turbulence[C]. 见:Proc. of SPIE. 2011.
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