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Journal of the Optical Society of America A

Journal of the Optical Society of America A

| OPTICS, IMAGE SCIENCE, AND VISION

  • Editor: Franco Gori
  • Vol. 29, Iss. 1 — Jan. 1, 2012
  • pp: 105–116

Phase retrieval via spatial light modulator phase modulation in 4f optical setup: numerical inverse imaging with sparse regularization for phase and amplitude

Vladimir Katkovnik and Jaakko Astola  »View Author Affiliations


JOSA A, Vol. 29, Issue 1, pp. 105-116 (2012)
http://dx.doi.org/10.1364/JOSAA.29.000105


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Abstract

The 4 f optical setup is considered with a wave field modulation by a spatial light modulator located in the focal plane of the first lens. Phase as well as amplitude of the wave field are reconstructed from noisy multiple-intensity observations. The reconstruction is optimal due to a constrained maximum likelihood formulation of the problem. The proposed algorithm is iterative with decoupling of the inverse of the forward propagation of the wave field and the filtering of phase and amplitude. The sparse modeling of phase and amplitude enables the advanced high-accuracy filtering and sharp imaging of the complex-valued wave field. Artifacts typical for the conventional algorithms (wiggles, ringing, waves, etc.) and attributed to optical diffraction can be suppressed by the proposed algorithm.

© 2012 Optical Society of America

OCIS Codes
(100.3010) Image processing : Image reconstruction techniques
(100.3190) Image processing : Inverse problems
(100.5070) Image processing : Phase retrieval
(070.2025) Fourier optics and signal processing : Discrete optical signal processing

ToC Category:
Image Processing

History
Original Manuscript: April 29, 2011
Revised Manuscript: September 21, 2011
Manuscript Accepted: October 14, 2011
Published: December 19, 2011

Citation
Vladimir Katkovnik and Jaakko Astola, "Phase retrieval via spatial light modulator phase modulation in 4f optical setup: numerical inverse imaging with sparse regularization for phase and amplitude," J. Opt. Soc. Am. A 29, 105-116 (2012)
http://www.opticsinfobase.org/josaa/abstract.cfm?URI=josaa-29-1-105

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