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题名:
Theoretical analysis about 2 pi ambiguity of the piston error in sparse optical synthetic aperture imaging system
作者: Liu, Zheng1,2,3; Wang, Sheng-Qian1,2; Rao, Chang-Hui1,2
刊名: OPTIK
出版日期: 2013
卷号: 124, 期号:22, 页码:5381-5384
关键词: Sparse-optical-synthetic-aperture ; Far-field intensity ; Piston error ; 2 pi ambiguity
文章类型: Article
英文摘要: In recent years, sparse-optical-synthetic-aperture telescope has emerged as an important developing trend for large-scale telescope, where the correction of piston error among different Sub-apertures plays an important role for achieving high resolution. The 2 pi ambiguity effect is the most important aspect of piston error's influences upon system's far-field intensity, which was theoretically analyzed at first. Then the bi-sub-aperture system was taken as an example to test the correctness of the theoretical model through distributions of the system's far-field intensity. In addition, a theoretical proof was made to get some important properties of piston errors within such kind of system. From the results, it is shown that the 2 pi ambiguity comes along with any piston error in the system, and this effect stands independent for different piston errors between different pair of sub-apertures. The derivation also provides effective theoretical model for related concerns within such kind of system. (C) 2013 Elsevier GmbH. All rights reserved.
WOS标题词: Science & Technology ; Physical Sciences
类目[WOS]: Optics
研究领域[WOS]: Optics
关键词[WOS]: PRIMARY ABERRATIONS ; STREHL RATIO ; TELESCOPES ; PERFORMANCE
收录类别: SCI
语种: 英语
WOS记录号: WOS:000325835400022
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ioe.ac.cn/handle/181551/1230
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, Key Lab Adapt Opt, Chengdu 610209, Peoples R China
2.Chinese Acad Sci, Inst Opt & Elect, Lab Adapt Opt, Chengdu 610209, Peoples R China
3.Natl Univ Def Technol, Coll Optoelect Sci & Engn, Changsha 410073, Hunan, Peoples R China

Recommended Citation:
Liu, Zheng,Wang, Sheng-Qian,Rao, Chang-Hui. Theoretical analysis about 2 pi ambiguity of the piston error in sparse optical synthetic aperture imaging system[J]. OPTIK,2013,124(22):5381-5384.
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