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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. 30, Iss. 10 — Oct. 1, 2013
  • pp: 1905–1912

Wave field sensing by means of computational shear interferometry

Claas Falldorf, Christoph von Kopylow, and Ralf B. Bergmann  »View Author Affiliations


JOSA A, Vol. 30, Issue 10, pp. 1905-1912 (2013)
http://dx.doi.org/10.1364/JOSAA.30.001905


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Abstract

In this paper, we present a method to recover the complex amplitude of speckle fields from measurements performed by a shear interferometer. It is based on the optimization of an objective function using the steepest descent gradient technique in combination with a heuristic initial guess. In contrast to already existing methods, the algorithm finds a local minimum least-squares solution even in the presence of Poissonian and Gaussian noise.

© 2013 Optical Society of America

OCIS Codes
(100.3190) Image processing : Inverse problems
(100.5070) Image processing : Phase retrieval
(120.0280) Instrumentation, measurement, and metrology : Remote sensing and sensors
(120.3180) Instrumentation, measurement, and metrology : Interferometry
(070.2615) Fourier optics and signal processing : Frequency filtering

ToC Category:
Instrumentation, Measurement, and Metrology

History
Original Manuscript: March 13, 2013
Revised Manuscript: August 16, 2013
Manuscript Accepted: August 19, 2013
Published: September 4, 2013

Citation
Claas Falldorf, Christoph von Kopylow, and Ralf B. Bergmann, "Wave field sensing by means of computational shear interferometry," J. Opt. Soc. Am. A 30, 1905-1912 (2013)
http://www.opticsinfobase.org/josaa/abstract.cfm?URI=josaa-30-10-1905

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