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Opt Lett. 2008 Apr 15;33(8):866-8.

Phase recovery in temporal speckle pattern interferometry using the generalized S-transform.

Author information

  • 1Electrónica e Informática, Instituto Nacional de Tecnología Industrial, P.O. Box B1650WAB, B1650KNA San Martín, Argentina. federico@inti.gov.ar

Abstract

We propose a novel approach based on the generalized S-transform to retrieve optical phase distributions in temporal speckle pattern interferometry. The performance of the proposed approach is compared with those given by well-known techniques based on the continuous wavelet, the Hilbert transforms, and a smoothed time-frequency distribution by analyzing interferometric data degraded by noise, nonmodulating pixels, and modulation loss. The advantages and limitations of the proposed phase retrieval approach are discussed.

PMID:
18414559
[PubMed]
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