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Optics Letters

Optics Letters


  • Editor: Anthony J. Campillo
  • Vol. 31, Iss. 15 — Aug. 1, 2006
  • pp: 2305–2307

Three-dimensional optic axis determination using variable-incidence-angle polarization-optical coherence tomography

Nadezhda Ugryumova, Sergei V. Gangnus, and Stephen J. Matcher  »View Author Affiliations

Optics Letters, Vol. 31, Issue 15, pp. 2305-2307 (2006)

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Polarization optical coherence tomography (PSOCT) is a powerful technique to nondestructively map the retardance and fast-axis orientation of birefringent biological tissues. Previous studies have concentrated on the case where the optic axis lies on the plane of the surface. We describe a method to determine the polar angle of the optic axis of a uniaxial birefringent tissue by making PSOCT measurements with a number of incident illumination directions. The method is validated on equine flexor tendon, yielding a variability of 4% for the true birefringence and 3% for the polar angle. We use the method to map the polar angle of fibers in the transitional region of equine cartilage.

© 2006 Optical Society of America

OCIS Codes
(000.1430) General : Biology and medicine
(120.3890) Instrumentation, measurement, and metrology : Medical optics instrumentation
(120.5410) Instrumentation, measurement, and metrology : Polarimetry
(170.4500) Medical optics and biotechnology : Optical coherence tomography
(170.6930) Medical optics and biotechnology : Tissue
(260.1440) Physical optics : Birefringence

ToC Category:
Medical Optics and Biotechnology

Original Manuscript: April 25, 2006
Manuscript Accepted: May 8, 2006
Published: July 10, 2006

Virtual Issues
Vol. 1, Iss. 9 Virtual Journal for Biomedical Optics

Nadezhda Ugryumova, Sergei V. Gangnus, and Stephen J. Matcher, "Three-dimensional optic axis determination using variable-incidence-angle polarization-optical coherence tomography," Opt. Lett. 31, 2305-2307 (2006)

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