Phase retrieval from a single near-field diffraction pattern with a large Fresnel number

A new method of phase retrieval from a single near-field diffraction image with a large Fresnel number is presented and discussed. This method requires only the oversampled diffraction pattern without any other information such as the object envelope. Moreover, we show that the combination with a fa...

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Bibliographic Details
Published inJournal of the Optical Society of America. A, Optics, image science, and vision Vol. 25; no. 11; p. 2651
Main Authors Li, Enrong, Liu, Yijin, Liu, Xiaosong, Zhang, Kai, Wang, Zhili, Hong, Youli, Yuan, Qingxi, Huang, Wanxia, Marcelli, Augusto, Zhu, Peiping, Wu, Ziyu
Format Journal Article
LanguageEnglish
Published United States 01.11.2008
Subjects
Algorithms
Fourier Analysis
Humans
Image Processing, Computer-Assisted
Models, Statistical
Models, Theoretical
Optical Phenomena
Optics and Photonics
Scattering, Radiation
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Summary:A new method of phase retrieval from a single near-field diffraction image with a large Fresnel number is presented and discussed. This method requires only the oversampled diffraction pattern without any other information such as the object envelope. Moreover, we show that the combination with a fast computational method is possible when the linear oversampling ratio is an integer. Numerical simulations are also presented, showing that the method works well with noisy data.
ISSN:1084-7529
DOI:10.1364/JOSAA.25.002651