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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 43, Iss. 8 — Mar. 10, 2004
  • pp: 1710–1718

Lensless Imaging from Diffraction Intensity Measurements by Use of a Noniterative Phase-Retrieval Method

Nobuharu Nakajima  »View Author Affiliations


Applied Optics, Vol. 43, Issue 8, pp. 1710-1718 (2004)
http://dx.doi.org/10.1364/AO.43.001710


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Abstract

A method of reconstructing the complex amplitude of an object that is illuminated by a coherent wave from its Fresnel diffraction patterns is proposed for high-frequency wave phenomena such as x-rays and electron waves. A noniterative phase-retrieval method that uses a Gaussian filter is employed here, and it is shown that the object’s illumination with amplitude distribution in the Fraunhofer diffraction pattern of a circular aperture can be used as a substitute for the Gaussian filter. This method has an advantage over other noniterative phase-retrieval methods in that it can retrieve phase vortices.

© 2004 Optical Society of America

OCIS Codes
(100.0100) Image processing : Image processing
(100.5070) Image processing : Phase retrieval

Citation
Nobuharu Nakajima, "Lensless Imaging from Diffraction Intensity Measurements by Use of a Noniterative Phase-Retrieval Method," Appl. Opt. 43, 1710-1718 (2004)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-43-8-1710

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