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Journal of Biomedical Optics

Depth probing of diffuse tissues controlled with elliptically polarized light
Author(s): Simon Rehn; Anne Planat-Chrétien; Michel Berger; Jean-Marc Dinten; Carole Deumié-Raviol; Anabela da Silva
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Paper 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.

Paper Details

Date Published: 7 January 2013
PDF: 6 pages
J. Biomed. Opt. 18(1) 016007 doi: 10.1117/1.JBO.18.1.016007
Published in: Journal of Biomedical Optics Volume 18, Issue 1
Show Author Affiliations
Simon Rehn, Institut Fresnel (France)
Anne Planat-Chrétien, Commissariat à l'Énergie Atomique (France)
Michel Berger, Commissariat à l'Énergie Atomique (France)
Jean-Marc Dinten, CEA-LETI-Minatec (France)
Carole Deumié-Raviol, Institut Fresnel (France)
Anabela da Silva, Institut Fresnel (France)

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