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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 15, Iss. 21 — Oct. 17, 2007
  • pp: 13613–13623

Numerical algorithm for the retrieval of spatial coherence properties of partially coherent beams from transverse intensity measurements

Christer Rydberg and Jorgen Bengtsson  »View Author Affiliations

Optics Express, Vol. 15, Issue 21, pp. 13613-13623 (2007)

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A novel algorithm for the retrieval of the spatial mutual coherence function of the optical field of a light beam in the quasimonochromatic approximation is presented. The algorithm only requires that the intensity distribution is known in a finite number of transverse planes along the beam. The retrieval algorithm is based on the observation that a partially coherent field can be represented as an ensemble of coherent fields. Each field in the ensemble is propagated with coherent methods between neighboring planes, and the ensemble is then subjected to amplitude restrictions, much in the same way as in conventional phase recovery algorithms for coherent fields. The proposed algorithm is evaluated both for one- and two-dimensional fields using numerical simulations.

© 2007 Optical Society of America

OCIS Codes
(030.0030) Coherence and statistical optics : Coherence and statistical optics
(100.3190) Image processing : Inverse problems
(100.5070) Image processing : Phase retrieval

ToC Category:
Coherence and Statistical Optics

Original Manuscript: July 10, 2007
Revised Manuscript: September 12, 2007
Manuscript Accepted: October 1, 2007
Published: October 3, 2007

Christer Rydberg and Jörgen Bengtsson, "Numerical algorithm for the retrieval of spatial coherence properties of partially coherent beams from transverse intensity measurements," Opt. Express 15, 13613-13623 (2007)

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