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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 19, Iss. 6 — Mar. 14, 2011
  • pp: 5002–5013

Regularized least squares phase sampling interferometry

Juan Antonio Quiroga, Julio Cesar Estrada, Manuel Servín, and Javier Vargas  »View Author Affiliations

Optics Express, Vol. 19, Issue 6, pp. 5002-5013 (2011)

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In phase sampling interferometry, existing temporal analysis methods are sensitive to border effects and cannot deal with missing data. In this work we propose a quadrature filter that allows a reliable dynamic phase measurement for every sample, even in the cases involving few samples or missing data. The method is based on the use of a regularized least squares cost function that enforces the quadrature character of the filter. A comparison with existing techniques shows the effectiveness of the proposed method.

© 2011 OSA

OCIS Codes
(120.3180) Instrumentation, measurement, and metrology : Interferometry
(120.3940) Instrumentation, measurement, and metrology : Metrology
(120.5050) Instrumentation, measurement, and metrology : Phase measurement

ToC Category:
Instrumentation, Measurement, and Metrology

Original Manuscript: October 25, 2010
Revised Manuscript: December 22, 2010
Manuscript Accepted: December 23, 2010
Published: March 2, 2011

Juan Antonio Quiroga, Julio Cesar Estrada, Manuel Servín, and Javier Vargas, "Regularized least squares phase sampling interferometry," Opt. Express 19, 5002-5013 (2011)

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