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题名:
Theoretical analysis about 2 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
学科分类: Errors - Telescopes
DOI: 10.1016/j.ijleo.2013.03.159
通讯作者: Liu, Z. (liuzhengIOE@yeah.net)
文章类型: 期刊论文
中文摘要: 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 2π 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 2π 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. © 2013 Elsevier GmbH.
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 2π 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 2π 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. © 2013 Elsevier GmbH.
收录类别: SCI ; Ei
项目资助者: Young Scientists Fund of the National Natural Science Foundation of China [61008038]
语种: 英语
WOS记录号: WOS:000325835400022
ISSN号: 00304026
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ioe.ac.cn/handle/181551/6358
Appears in Collections:自适应光学技术研究室(八室)_期刊论文

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作者单位: 1. Key Laboratory on Adaptive Optics, Chinese Academy of Sciences, Chengdu 610209, China
2. Laboratory on Adaptive Optics, Institute of Optics and Electronics, Chinese Academy of Sciences, Chengdu 610209, China
3. College of Opto-Electronics Science and Engineering, National University of Defense Technology, Changsha 410073, China

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