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Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 36, Iss. 23 — Dec. 1, 2011
  • pp: 4677–4679

Real-time quantitative phase imaging with a spatial phase-shifting algorithm

Sanjit K. Debnath and YongKeun Park  »View Author Affiliations


Optics Letters, Vol. 36, Issue 23, pp. 4677-4679 (2011)
http://dx.doi.org/10.1364/OL.36.004677


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Abstract

This Letter reports on the use of a spatial phase-shifting algorithm in a fast, straightforward method of real-time quantitative phase imaging. The computation time for phase extraction is five times faster than a Fourier transform and twice as fast as a Hilbert transform. The fact that the phase extraction from an interferogram of 512 × 512 pixels takes less than 8.93 ms with a typical desktop computer suggests the proposed method can be readily applied to high-speed dynamic quantitative phase imaging. The proposed method of quantitative phase imaging is effective and sufficiently general for application to the dynamic phenomena of biological samples.

© 2011 Optical Society of America

OCIS Codes
(120.2650) Instrumentation, measurement, and metrology : Fringe analysis
(170.0180) Medical optics and biotechnology : Microscopy
(170.1650) Medical optics and biotechnology : Coherence imaging

ToC Category:
Medical Optics and Biotechnology

History
Original Manuscript: July 18, 2011
Revised Manuscript: September 30, 2011
Manuscript Accepted: October 12, 2011
Published: December 1, 2011

Virtual Issues
Vol. 7, Iss. 2 Virtual Journal for Biomedical Optics

Citation
Sanjit K. Debnath and YongKeun Park, "Real-time quantitative phase imaging with a spatial phase-shifting algorithm," Opt. Lett. 36, 4677-4679 (2011)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-36-23-4677


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