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题名:
Phase shifting interferometry from two normalized interferograms with random tilt phase-shift
作者: Liu, Fengwei1,2; Wu, Yongqian1; Wu, Fan1
刊名: OPTICS EXPRESS
出版日期: 2015-07-27
卷号: 23, 期号:15, 页码:19932-19946
DOI: 10.1364/OE.23.019932
文章类型: Article
英文摘要: We propose a novel phase shifting interferometry from two normalized interferograms with random tilt phase-shift. The determination of tilt phase-shift is performed by extracting the tilted phase-shift plane from the phase difference of two normalized interferograms, and with the calculated tilt phase-shift value the phase distribution can be retrieved from the two normalized frames. By analyzing the distribution of phase difference and utilizing special points fitting method, the tilted phase-shift plane is extracted in three different cases, which relate to different magnitudes of tilts. Proposed method has been applied to simulations and experiments successfully and the satisfactory results manifest that proposed method is of high accuracy and high speed compared with the three step iterative method. Additionally, both open and closed fringe can be analyzed with proposed method. What's more, it cannot only eliminate the small tilt-shift error caused by slight vibration in phase-shifting interferometry, but also detect the large tilt phase-shift in phase-tilting interferometry. Thus, it will relaxes the requirements on the accuracy of phase shifter, and the costly phase shifter may even be useless by applying proposed method in high amplitude vibrated circumstance to achieve high-precision analysis. (C) 2015 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]: WAVE-FRONT RECONSTRUCTION ; LEAST-SQUARES METHOD ; ITERATIVE ALGORITHM ; EXTRACTION ; ERROR ; STEPS
收录类别: SCI
语种: 英语
WOS记录号: WOS:000361035300133
ISSN号: 1094-4087
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ioe.ac.cn/handle/181551/3705
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, Inst Opt & Elect, Chengdu 610209, Sichuan, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100039, Peoples R China

Recommended Citation:
Liu, Fengwei,Wu, Yongqian,Wu, Fan. Phase shifting interferometry from two normalized interferograms with random tilt phase-shift[J]. OPTICS EXPRESS,2015,23(15):19932-19946.
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