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Virtual Journal for Biomedical Optics

Virtual Journal for Biomedical Optics


  • Editors: Andrew Dunn and Anthony Durkin
  • Vol. 7, Iss. 8 — Aug. 2, 2012

Derivative method for phase retrieval in off-axis quantitative phase imaging

Basanta Bhaduri and Gabriel Popescu  »View Author Affiliations

Optics Letters, Vol. 37, Issue 11, pp. 1868-1870 (2012)

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We present a method for phase retrieval in off-axis interferometric systems. By numerically calculating the transverse 1st and 2nd order derivatives of the interferogram, we show that one can directly retrieve the quantitative phase image, without the need for Fourier or Hilbert transformations. Because of this, the method is significantly faster than the current approaches. We illustrate our method using biological specimen data from three different off-axis quantitative phase imaging techniques.

© 2012 Optical Society of America

OCIS Codes
(100.2650) Image processing : Fringe analysis
(100.5070) Image processing : Phase retrieval
(170.0180) Medical optics and biotechnology : Microscopy

ToC Category:
Medical Optics and Biotechnology

Original Manuscript: February 27, 2012
Revised Manuscript: April 14, 2012
Manuscript Accepted: April 15, 2012
Published: May 21, 2012

Virtual Issues
Vol. 7, Iss. 8 Virtual Journal for Biomedical Optics

Basanta Bhaduri and Gabriel Popescu, "Derivative method for phase retrieval in off-axis quantitative phase imaging," Opt. Lett. 37, 1868-1870 (2012)

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