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题名:
Analysis of modal tomography for three-dimensional wavefront sensing of atmosphere turbulence
作者: Zhang Lan-Qiang1,2,3; Gu Nai-Ting1,2; Rao Chang-Hui1,2
刊名: ACTA PHYSICA SINICA
出版日期: 2013-08-01
卷号: 62, 期号:16
关键词: 3D wavefront sensing ; atmosphere tomography ; modal method ; error analysis
文章类型: Article
英文摘要: Three-dimensional (3D) wavefront sensing of atmosphere turbulence is a key step to realize multi-conjugate adaptive optics technology. In this article, model tomography, which is one of the most important algorithms for 3D wavefront sensing, is analyzed in theory, the principle limitation of model tomography is proposed. Based on this view the reason for tomography error is discussed, and the simulation results for different errors are produced finally. The analysis shows that part Zernike model basis is used as a new basis of polynomial decomposition in model tomography, which leads to modal coupling error and aliasing error. The un-correlation of part Zernike model basis is the prerequisite to avoid modal aliasing error, but modal coupling error cannot be removed and we can only restrain its influence. Combined with simulation result a method with large field of view (FOV) sensing and small FOV reconstruction is proposed and gives a good performance to control modal coupling error.
WOS标题词: Science & Technology ; Physical Sciences
类目[WOS]: Physics, Multidisciplinary
研究领域[WOS]: Physics
关键词[WOS]: ADAPTIVE-OPTICS
收录类别: SCI
语种: 英语
WOS记录号: WOS:000324867800079
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ioe.ac.cn/handle/181551/1210
Appears in Collections:光电技术研究所被WoS收录文章_期刊论文

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作者单位: 1.Chinese Acad Sci, Inst Opt & Elect, Chengdu 610209, Peoples R China
2.Chinese Acad Sci, Key Lab Adapt Opt, Chengdu 610209, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China

Recommended Citation:
Zhang Lan-Qiang,Gu Nai-Ting,Rao Chang-Hui. Analysis of modal tomography for three-dimensional wavefront sensing of atmosphere turbulence[J]. ACTA PHYSICA SINICA,2013,62(16).
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