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题名:
Small-phase retrieval with a single far-field image
作者: Li, Min1,2; Li, Xin-Yang1; Jiang, Wen-Han1,2
刊名: OPTICS EXPRESS
出版日期: 2008-05-26
卷号: 16, 期号:11, 页码:8190-8197
学科分类: 自适应光学
文章类型: Article
中文摘要: A method to retrieve small-phase aberrations from a single far-field image is proposed. It is found that in a small-phase condition, the odd and even parts of a phase aberration can be obtained with a simple linear calculation method. The difference betwe
英文摘要: A method to retrieve small-phase aberrations from a single far-field image is proposed. It is found that in a small-phase condition, the odd and even parts of a phase aberration can be obtained with a simple linear calculation method. The difference between a single measured image with aberration and a calibrated image with inherent aberration is used in the calculation process. It is proved that most of the inherent phase aberration of the imaging system must be of an even type, such as defocus, astigmatism, etc., to keep the method working. The results of numerical simulations on atmosphere-disturbed phase aberrations show that the proposed small-phase retrieval method works well when the RMS phase error is less than 1 rad. It is also shown that the method is valid in a noise condition when the SNR > 100. (c) 2008 Optical Society of America.
WOS标题词: Science & Technology ; Physical Sciences
类目[WOS]: Optics
研究领域[WOS]: Optics
收录类别: SCI
语种: 英语
WOS记录号: WOS:000256469900066
ISSN号: 1094-4089
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ioe.ac.cn/handle/181551/1965
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.Chinese Acad Sci, Inst Opt & Elect, Chengdu 610209, Sichuan, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing 100864, Peoples R China

Recommended Citation:
Li, Min,Li, Xin-Yang,Jiang, Wen-Han. Small-phase retrieval with a single far-field image[J]. OPTICS EXPRESS,2008,16(11):8190-8197.
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