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Optical Engineering

Lidar polarization discrimination of bioaerosols
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Paper Abstract

Standoff discrimination of bioaerosols based on lidar measurements of depolarized backscattered light is herein studied. Measurements were performed at four wavelengths (355, 532, 1064, and 1570 nm) over 25 pollens and 2 dusts under controlled environment at a distance of 100 m. Linear polarization measurements were performed. It is shown that discrimination between pollens can be achieved using the linear polarization of at most three of the four wavelengths, and statistical discrimination based on Mahalanobis distance is obtained for most of the 27 cases studied.

Paper Details

Date Published: 1 November 2010
PDF: 12 pages
Opt. Eng. 49(11) 116201 doi: 10.1117/1.3505877
Published in: Optical Engineering Volume 49, Issue 11
Show Author Affiliations
Xiaoying Cao, Royal Military College of Canada (Canada)
Gilles A. Roy, Defence Research and Development Canada (Canada)
Robert Bernier, Les Instruments Optiques du St-Laurent Inc. (Canada)


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