Phase retrieval in x-ray imaging based on using structured illumination

Y. J. Liu, B. Chen, E. R. Li, J. Y. Wang, A. Marcelli, S. W. Wilkins, H. Ming, Y. C. Tian, K. A. Nugent, P. P. Zhu, and Z. Y. Wu

Phys. Rev. A 78, 023817 – Published 11 August 2008

Abstract

A different x-ray phase contrast imaging technique based on the combination of structured illumination and an optimized hybrid input-output algorithm for phase and amplitude retrieval is presented and discussed. Based on a modified and flexible experimental setup, compared to standard propagation-based x-ray imaging setups, the method we propose here represents a real advance in the phase-contrast imaging technique relating to the determination of the phase and amplitude distribution. Moreover, in coherent diffractive imaging applications, the proposed technique may yield high spatial resolution with currently available imaging detectors.

Received 12 November 2007

DOI:https://doi.org/10.1103/PhysRevA.78.023817

Authors & Affiliations

Y. J. Liu^1,3, B. Chen², E. R. Li¹, J. Y. Wang¹, A. Marcelli⁴, S. W. Wilkins⁵, H. Ming³, Y. C. Tian⁶, K. A. Nugent^2,*, P. P. Zhu^1,†, and Z. Y. Wu^1,6,7,‡

¹Institute of High Energy Physics, Chinese Academy of Science, Beijing 100049, China
²School of Physics, The University of Melbourne, Victoria 3010, Australia
³Department of Physics, University of Science and Technology of China, Hefei 230026, China
⁴INFN-Laboratori Nazionali di Frascati, Via E. Fermi 40, I-00044 Frascati, Rome 00146, Italy
⁵Commonwealth Scientific and Industrial Research Organisation, PB 33, Clayton South, Victoria 3169, Australia
⁶National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei 230026, China
⁷Theoretical Physics Center for Science Facilities, Chinese Academy of Sciences, Beijing 100049, China

^*k.nugent@physics.unimelb.edu.au
^†zhupp@ihep.ac.cn
^‡wuzy@ihep.ac.cn

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Vol. 78, Iss. 2 — August 2008

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