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Proceedings Paper

Polarization-gated optical imaging: effect of size parameter of scatterer
Author(s): Nirmalya Ghosh; Pradeep Kumar Gupta; Hari Shankar Patel; Bhrigu Nath Singh
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Paper Abstract

A theoretical treatment based on electromagnetic theory has been developed for the dependence of depolarization of linearly and circularly polarized light on size parameter of scatterer. The model reproduces the earlier results for the dependence of depolarization of circularly and linearly polarized light on scatterer size parameter. Further, the results obtained from this model show that for a given scatterer size parameter, a change in the value of ratio of refractive index of scatterer to that of the surrounding medium also significantly affects the degree of depolarization of both linearly and circularly polarized light. These results have been experimentally verified and can have important consequences for polarization gated optical imaging.

Paper Details

Date Published: 12 September 2002
PDF: 8 pages
Proc. SPIE 4916, Optics in Health Care and Biomedical Optics: Diagnostics and Treatment, (12 September 2002); doi: 10.1117/12.482955
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)
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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