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Proceedings Paper

Depolarization of light in turbid medium: effect of collection geometry
Author(s): Nirmalya Ghosh; Pradeep Kumar Gupta; Hari Shankar Patel; Beena Jain; Bhrigu Nath Singh
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Paper 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.

Paper Details

Date Published: 12 September 2002
PDF: 6 pages
Proc. SPIE 4916, Optics in Health Care and Biomedical Optics: Diagnostics and Treatment, (12 September 2002);
Show Author Affiliations
Nirmalya Ghosh, Ctr. for Advanced Technology (India)
Pradeep Kumar Gupta, Ctr. for Advanced Technology (India)
Hari Shankar Patel, Ctr. for Advanced Technology (India)
Beena Jain, Ctr. for Advanced Technology (India)
Bhrigu Nath Singh, Ctr. for Advanced Technology (India)

Published in SPIE Proceedings Vol. 4916:
Optics in Health Care and Biomedical Optics: Diagnostics and Treatment
Britton Chance; Mingzhe Chen; Gilwon Yoon, Editor(s)

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