Depth probing of diffuse tissues controlled with elliptically polarized light

Simon Rehn; Anne Planat-Chrétien; Michel Berger; Jean-Marc Dinten; Carole Deumié-Raviol; Anabela da Silva

doi:10.1117/1.JBO.18.1.016007

7 January 2013 Depth probing of diffuse tissues controlled with elliptically polarized light

Simon Rehn, Anne Planat-Chrétien, Michel Berger, Jean-Marc Dinten, Carole Deumié-Raviol, Anabela da Silva

Author Affiliations +

Journal of Biomedical Optics, Vol. 18, Issue 1, 016007 (January 2013). https://doi.org/10.1117/1.JBO.18.1.016007

Abstract

Polarization gating is a popular technique in biomedical optics. It is widely used to inspect the surface of the tissues (under colinear or cocircular detection) or instead to probe the volume (cross-linear detection), without information on the probed depth. Elliptical polarization is introduced to explore the possibility of probing diffuse tissues at selective depths. A thorough Monte Carlo simulation study shows complete correlation between the probed depths and the ellipticity of the polarized light, for a medium with known optical properties. Within a wide range of optical parameters, a linear relation between the backscattered intensity and the depth extension of the probed volume was found whatever the polarization used, but with a controlled extension depending on the ellipticity.

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Simon Rehn, Anne Planat-Chrétien, Michel Berger, Jean-Marc Dinten, Carole Deumié-Raviol, and Anabela da Silva "Depth probing of diffuse tissues controlled with elliptically polarized light," Journal of Biomedical Optics 18(1), 016007 (7 January 2013). https://doi.org/10.1117/1.JBO.18.1.016007

Published: 7 January 2013

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KEYWORDS

Polarization

Tissues

Optical properties

Photons

Scattering

Monte Carlo methods

Light scattering

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