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Virtual Journal for Biomedical Optics

Virtual Journal for Biomedical Optics

| EXPLORING THE INTERFACE OF LIGHT AND BIOMEDICINE

  • Editor: Gregory W. Faris
  • Vol. 1, Iss. 7 — Jul. 17, 2006

Artifact removal in complex frequency domain optical coherence tomography with an iterative least-squares phase-shifting algorithm

Jung-Taek Oh and Beop-Min Kim  »View Author Affiliations


Applied Optics, Vol. 45, Issue 17, pp. 4157-4164 (2006)
http://dx.doi.org/10.1364/AO.45.004157


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Abstract

We present what we believe to be a new computational algorithm for complex frequency domain optical coherence tomography that can effectively suppress artifacts that are caused by uncertainty in phase shift due to sample motion and errors in reference phases. The algorithm treats the phase-shifting values as additional unknowns, and we can determine their exact values by analyzing interference fringes using the numerical least-squares technique. A series of simulations and experiments prove that this algorithm can effectively remove strong mirror-image artifacts because it is unaffected by random phase fluctuation.

© 2006 Optical Society of America

OCIS Codes
(050.5080) Diffraction and gratings : Phase shift
(110.4500) Imaging systems : Optical coherence tomography

History
Original Manuscript: August 11, 2005
Revised Manuscript: November 25, 2005
Manuscript Accepted: November 28, 2005

Virtual Issues
Vol. 1, Iss. 7 Virtual Journal for Biomedical Optics

Citation
Jung-Taek Oh and Beop-Min Kim, "Artifact removal in complex frequency domain optical coherence tomography with an iterative least-squares phase-shifting algorithm," Appl. Opt. 45, 4157-4164 (2006)
http://www.opticsinfobase.org/vjbo/abstract.cfm?URI=ao-45-17-4157

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