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Journal of the Optical Society of America A

Journal of the Optical Society of America A


  • Editor: Franco Gori
  • Vol. 28, Iss. 4 — Apr. 1, 2011
  • pp: 604–612

Superresolution imaging via ptychography

Andrew M. Maiden, Martin J. Humphry, Fucai Zhang, and John M. Rodenburg  »View Author Affiliations

JOSA A, Vol. 28, Issue 4, pp. 604-612 (2011)

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Coherent diffractive imaging of objects is made considerably more practicable by using ptychography, where a set of diffraction patterns replaces a single measurement and introduces a high degree of redundancy into the recorded data. Here we demonstrate that this redundancy allows diffraction patterns to be extrapolated beyond the aperture of the recording device, leading to superresolved images, improving the limit on the finest feature separation by more than a factor of 3.

© 2011 Optical Society of America

OCIS Codes
(100.5070) Image processing : Phase retrieval
(100.6640) Image processing : Superresolution
(170.0180) Medical optics and biotechnology : Microscopy

ToC Category:
Image Processing

Original Manuscript: December 8, 2010
Manuscript Accepted: January 27, 2011
Published: March 21, 2011

Virtual Issues
Vol. 6, Iss. 5 Virtual Journal for Biomedical Optics
April 21, 2011 Spotlight on Optics

Andrew M. Maiden, Martin J. Humphry, Fucai Zhang, and John M. Rodenburg, "Superresolution imaging via ptychography," J. Opt. Soc. Am. A 28, 604-612 (2011)

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