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Optics Express

Optics Express

  • Editor: Andrew M. Weiner
  • Vol. 21, Iss. 5 — Mar. 11, 2013
  • pp: 5759–5780

Factored form descent: a practical algorithm for coherence retrieval

Zhengyun Zhang, Zhi Chen, Shakil Rehman, and George Barbastathis  »View Author Affiliations

Optics Express, Vol. 21, Issue 5, pp. 5759-5780 (2013)

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We formulate coherence retrieval, the process of recovering via intensity measurements the two-point correlation function of a partially coherent field, as a convex weighted least-squares problem and show that it can be solved with a novel iterated descent algorithm using a coherent-modes factorization of the mutual intensity. This algorithm is more memory-efficient than the standard interior point methods used to solve convex problems, and we verify its feasibility by reconstructing the mutual intensity of a Schell-model source from both simulated data and experimental measurements.

© 2013 OSA

OCIS Codes
(030.0030) Coherence and statistical optics : Coherence and statistical optics
(030.4070) Coherence and statistical optics : Modes
(100.5070) Image processing : Phase retrieval

ToC Category:
Coherence and Statistical Optics

Original Manuscript: November 29, 2012
Revised Manuscript: February 3, 2013
Manuscript Accepted: February 4, 2013
Published: March 1, 2013

Zhengyun Zhang, Zhi Chen, Shakil Rehman, and George Barbastathis, "Factored form descent: a practical algorithm for coherence retrieval," Opt. Express 21, 5759-5780 (2013)

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