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Optics Letters

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  • Editor: Alan E. Willner
  • Vol. 38, Iss. 6 — Mar. 15, 2013
  • pp: 923–925

Artifacts in polarization-sensitive optical coherence tomography caused by polarization mode dispersion

Martin Villiger, Ellen Ziyi Zhang, Seemantini Nadkarni, Wang-Yuhl Oh, Brett E. Bouma, and Benjamin J. Vakoc  »View Author Affiliations


Optics Letters, Vol. 38, Issue 6, pp. 923-925 (2013)
http://dx.doi.org/10.1364/OL.38.000923


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Abstract

Polarization mode dispersion (PMD) severely degrades images of biological tissue measured with polarization-sensitive optical coherence tomography. It adds a bias to the local retardation value that can be spatially confined, resulting in regions of seemingly high sample birefringence that are purely artificial. Here, we demonstrate and analyze this effect, both experimentally and with numerical simulations, and show that artifacts can be avoided by limiting the system PMD to less than the system axial resolution. Even then, spatial averaging over a dimension larger than that characteristic of speckle is required to remove a PMD-induced bias of the local retardation values.

© 2013 Optical Society of America

OCIS Codes
(170.3010) Medical optics and biotechnology : Image reconstruction techniques
(170.3880) Medical optics and biotechnology : Medical and biological imaging
(170.4500) Medical optics and biotechnology : Optical coherence tomography
(110.5405) Imaging systems : Polarimetric imaging

ToC Category:
Medical Optics and Biotechnology

History
Original Manuscript: December 5, 2012
Revised Manuscript: January 26, 2013
Manuscript Accepted: February 12, 2013
Published: March 13, 2013

Virtual Issues
Vol. 8, Iss. 4 Virtual Journal for Biomedical Optics

Citation
Martin Villiger, Ellen Ziyi Zhang, Seemantini Nadkarni, Wang-Yuhl Oh, Brett E. Bouma, and Benjamin J. Vakoc, "Artifacts in polarization-sensitive optical coherence tomography caused by polarization mode dispersion," Opt. Lett. 38, 923-925 (2013)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-38-6-923


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References

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