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题名:
Speckle image reconstruction of the adaptive optics solar images
作者: Zhong, Libo1,2,3; Tian, Yu1,2; Rao, Changhui1,2
刊名: OPTICS EXPRESS
出版日期: 2014-11-17
卷号: 22, 期号:23, 页码:29249-29259
文章类型: Article
英文摘要: Speckle image reconstruction, in which the speckle transfer function (STF) is modeled as annular distribution according to the angular dependence of adaptive optics (AO) compensation and the individual STF in each annulus is obtained by the corresponding Fried parameter calculated from the traditional spectral ratio method, is used to restore the solar images corrected by AO system in this paper. The reconstructions of the solar images acquired by a 37-element AO system validate this method and the image quality is improved evidently. Moreover, we found the photometric accuracy of the reconstruction is field dependent due to the influence of AO correction. With the increase of angular separation of the object from the AO lockpoint, the relative improvement becomes approximately more and more effective and tends to identical in the regions far away the central field of view. The simulation results show this phenomenon is mainly due to the disparity of the calculated STF from the real AO STF with the angular dependence. (C) 2014 Optical Society of America
WOS标题词: Science & Technology ; Physical Sciences
类目[WOS]: Optics
研究领域[WOS]: Optics
关键词[WOS]: ATMOSPHERIC-TURBULENCE ; MASKING
收录类别: SCI
语种: 英语
WOS记录号: WOS:000345268500144
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ioe.ac.cn/handle/181551/2492
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.Univ Chinese Acad Sci, Beijing 100039, Peoples R China

Recommended Citation:
Zhong, Libo,Tian, Yu,Rao, Changhui. Speckle image reconstruction of the adaptive optics solar images[J]. OPTICS EXPRESS,2014,22(23):29249-29259.
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