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Opt Lett. 2007 Apr 1;32(7):733-5.

Aperture synthesis in phase retrieval using a volume-speckle field.

Author information

  • 1National Institute of Physics, University of the Philippines, Dilliman, Quezon City, Philippines. palmoro@nip.upd.edu.ph

Abstract

The resolution of the reconstructed wave by a phase-retrieval method using a volume-speckle field depends on the aperture defined by the size of the CCD array. The use of a larger aperture is introduced by measuring the speckle field at two different positions in the transverse plane and stitching the measurements together. Improvements in the quality of reconstructions are demonstrated experimentally and by computer simulations. Undesirable effects of camera tilt on the quality of reconstructions from synthetic aperture intensity measurements are experimentally observed and corrected.

PMID:
17339918
[PubMed]
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