Variable-angle-of-incidence polarization-sensitive optical coherence tomography: its use to study the 3D collagen structure of equine articular cartilage

Nadya Ugryumova; Sergei V. Gangnus; Stephen J. Matcher

doi:10.1117/12.649310

20 February 2006 Variable angle-of-incidence polarization-sensitive optical coherence tomography: its use to study the 3D collagen structure of equine articular cartilage

Nadya Ugryumova, Sergei V. Gangnus, Stephen J. Matcher

Author Affiliations +

Proceedings Volume 6079, Coherence Domain Optical Methods and Optical Coherence Tomography in Biomedicine X; 60792C (2006) https://doi.org/10.1117/12.649310
Event: SPIE BiOS, 2006, San Jose, California, United States

Abstract

Polarization-sensitive optical coherence tomography has been used to spatially map the birefringence of equine articular cartilage. The polar orientation of the collagen fibers relative to the plane of the joint surface must be taken into account if a quantitative measurement of true birefringence is required. Using a series of images taken at different angles of illumination, we determine the fiber polar angle and true birefringence at one site on a sample of equine cartilage, on the assumption that the fibers lie within the plane of imaging. We propose a more general method based on the extended Jones matrix formalism to determine both the polar and azimuthal orientation of the collagen fibers as well as the true birefringence as functions of depth.

Citation Download Citation

Nadya Ugryumova, Sergei V. Gangnus, and Stephen J. Matcher "Variable angle-of-incidence polarization-sensitive optical coherence tomography: its use to study the 3D collagen structure of equine articular cartilage", Proc. SPIE 6079, Coherence Domain Optical Methods and Optical Coherence Tomography in Biomedicine X, 60792C (20 February 2006); https://doi.org/10.1117/12.649310

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