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题名:
Comparative metrics for far-field intensity and piston error in sparse optical synthetic aperture telescope 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:17, 页码:2979-2984
学科分类: Errors - Optical systems - Optical transfer function - Synthetic apertures
DOI: 10.1016/j.ijleo.2012.09.016
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 piston error among different sub-apertures plays an important role for achieving high resolution. Here, the effect of piston error on the far-field intensity of system was analyzed theoretically. Then the bi-sub-aperture system was taken as an example to establish the metrics for symmetry of far-field intensity, S PSF and relative peak intensity (RP). In addition, the variation of the metrics with piston errors for different system parameters was analyzed by simulation. Furthermore, we suggested an innovative way to solve piston errors out using the metrics synthetically and analyzed its corresponding utility for different system parameters. From the results, it could be seen that employing the metrics for SPSF and RP synthetically to solve piston errors out is theoretically correct, which could provide effective references for the development of co-phasing detecting techniques. © 2012 Elsevier GmbH. All rights reserved.
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 piston error among different sub-apertures plays an important role for achieving high resolution. Here, the effect of piston error on the far-field intensity of system was analyzed theoretically. Then the bi-sub-aperture system was taken as an example to establish the metrics for symmetry of far-field intensity, S PSF and relative peak intensity (RP). In addition, the variation of the metrics with piston errors for different system parameters was analyzed by simulation. Furthermore, we suggested an innovative way to solve piston errors out using the metrics synthetically and analyzed its corresponding utility for different system parameters. From the results, it could be seen that employing the metrics for SPSF and RP synthetically to solve piston errors out is theoretically correct, which could provide effective references for the development of co-phasing detecting techniques. © 2012 Elsevier GmbH. All rights reserved.
收录类别: SCI ; Ei
项目资助者: National Natural Science Foundation of China [61008038]
语种: 英语
WOS记录号: WOS:000323530700092
ISSN号: 00304026
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ioe.ac.cn/handle/181551/6350
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. Comparative metrics for far-field intensity and piston error in sparse optical synthetic aperture telescope system[J]. Optik,2013,124(17):2979-2984.
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