Study of anisotropic diffusion of polarized light in application to polarization videoreflectometry of collagenous tissues

O. V. Ushakova; D. A. Zimnyakov

doi:10.1117/12.659209

3 March 2006 Study of anisotropic diffusion of polarized light in application to polarization videoreflectometry of collagenous tissues

O. V. Ushakova, D. A. Zimnyakov

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Proceedings Volume 6085, Complex Dynamics and Fluctuations in Biomedical Photonics III; 608508 (2006) https://doi.org/10.1117/12.659209
Event: SPIE BiOS, 2006, San Jose, California, United States

Abstract

Monte-Carlo simulations are applied to study the polarized light transport from a localized light source in layered multiple scattering media with the expressed macroscopic anisotropy of optical properties. The shape and orientation of the equal intensity profiles for various polarization states of backscattered light are analyzed in the dependence on the distance between the source and detection point. Obtained results are compared with the experimental results obtained by other authors in the experiments with tissue phantoms and in-vivo tissues. Various numerical techniques for reconstruction of the optical parameters of multiple scattering anisotropic media on the basis of polarization analysis of backscattered light are considered. The developed technique can be used as the theoretical basis for morphological diagnostics of anisotropic tissue layers consisting of collagen fibrils (such as, e.g., derma) by means of polarization videoreflectometry.

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O. V. Ushakova and D. A. Zimnyakov "Study of anisotropic diffusion of polarized light in application to polarization videoreflectometry of collagenous tissues", Proc. SPIE 6085, Complex Dynamics and Fluctuations in Biomedical Photonics III, 608508 (3 March 2006); https://doi.org/10.1117/12.659209

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KEYWORDS

Tissues

Bone

Scattering

Monte Carlo methods

Polarization

Anisotropy

Multiple scattering

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