Depolarization of light in turbid medium: effect of collection geometry

Nirmalya Ghosh; Pradeep Kumar Gupta; Hari Shankar Patel; Beena Jain; Bhrigu Nath Singh

doi:10.1117/12.482942

12 September 2002 Depolarization of light in turbid medium: effect of collection geometry

Nirmalya Ghosh, Pradeep Kumar Gupta, Hari Shankar Patel, Beena Jain, Bhrigu Nath Singh

Author Affiliations +

Proceedings Volume 4916, Optics in Health Care and Biomedical Optics: Diagnostics and Treatment; (2002) https://doi.org/10.1117/12.482942
Event: Photonics Asia, 2002, Shanghai, China

Abstract

Larger depolarization of incident polarized light has been reported for tissues compared to tissue phantoms with matched optical thickness (? =?s × d, ?s being the scattering coefficient and d the physical thickness). We show that this arises because for the sample with larger ?s more multiply scattered photons are detected in a narrow collection angle typically used in experiments. These results were verified by time resolved studies on transmitted light as well as by Monte Carlo simulation.

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Nirmalya Ghosh, Pradeep Kumar Gupta, Hari Shankar Patel, Beena Jain, and Bhrigu Nath Singh "Depolarization of light in turbid medium: effect of collection geometry", Proc. SPIE 4916, Optics in Health Care and Biomedical Optics: Diagnostics and Treatment, (12 September 2002); https://doi.org/10.1117/12.482942

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