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Proceedings Paper

Polarization videoreflectometry of multiple scattering anisotropic media in application to fibrous tissue diagnostics
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Paper Abstract

Diffuse reflectance of polarized light is studied in application to characterization of multiple scattering anisotropic media (such as, e.g., the fibrous tissues) with the use of focused probe laser beam. The theoretical model for description of the transport properties (the values of transport scattering coefficients and effective refractive index for different polarization states of probe light) of closely packed systems of partially disordered dielectric cylinders is considered on the base of coherent potential approximation. The influence of structural and optical characteristics of fibrous systems (such as the volume fraction of cylindrical scatters, their average diameter, the degree of disorder, refractive indices of scatters and surrounding medium) on diagnostical parameters determined with the polarization videoreflectometry can be analyzed in the framework of the considered theoretical model. The obtained theoretical results satisfactorily agree with the experimental data on polarization videoreflectometry and spectral-polarization measurements in the transmittance mode of in-vitro samples of demineralized bone, muscular tissue and phantom samples (partially oriented polymer films).

Paper Details

Date Published: 1 May 2007
PDF: 6 pages
Proc. SPIE 6534, Fifth International Conference on Photonics and Imaging in Biology and Medicine, 653437 (1 May 2007); doi: 10.1117/12.741458
Show Author Affiliations
O. V. Ushakova, Saratov State Technical Univ. (Russia)
L. V. Kuznetsova, Saratov State Univ. (Russia)
D. A. Zimnyakov, Saratov State Univ. (Russia)

Published in SPIE Proceedings Vol. 6534:
Fifth International Conference on Photonics and Imaging in Biology and Medicine
Qingming Luo; Lihong V. Wang; Valery V. Tuchin; Min Gu, Editor(s)

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