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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 50, Iss. 5 — Feb. 10, 2011
  • pp: 641–647

Phase measurement in temporal speckle pattern interferometry signals presenting low-modulated regions by means of the bidimensional empirical mode decomposition

María Belén Bernini, Alejandro Federico, and Guillermo H. Kaufmann  »View Author Affiliations


Applied Optics, Vol. 50, Issue 5, pp. 641-647 (2011)
http://dx.doi.org/10.1364/AO.50.000641


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Abstract

We propose a phase measurement technique to retrieve optical phase distributions coded in noisy temporal speckle pattern interferometry signals presenting regions of adjacent low-modulated pixels, which is based on the bidimensional empirical mode decomposition and the Hilbert transform. It is shown that this approach can effectively remove noise and minimize the influence of large sets of adjacent nonmodulated pixels located in the time series of speckle interferograms. The performance of the phase retrieval approach is analyzed using computer-simulated speckle interferograms modulated with a temporal carrier. The results are also compared with those given by a technique based on the one-dimensional empirical mode decomposition. The advantages and limitations of the proposed approach are finally discussed.

© 2011 Optical Society of America

OCIS Codes
(120.3940) Instrumentation, measurement, and metrology : Metrology
(120.5050) Instrumentation, measurement, and metrology : Phase measurement
(120.6165) Instrumentation, measurement, and metrology : Speckle interferometry, metrology

ToC Category:
Instrumentation, Measurement, and Metrology

History
Original Manuscript: November 9, 2010
Revised Manuscript: December 17, 2010
Manuscript Accepted: December 20, 2010
Published: February 3, 2011

Citation
María Belén Bernini, Alejandro Federico, and Guillermo H. Kaufmann, "Phase measurement in temporal speckle pattern interferometry signals presenting low-modulated regions by means of the bidimensional empirical mode decomposition," Appl. Opt. 50, 641-647 (2011)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-50-5-641

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