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

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.

Citation Download Citation

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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