Chamber lidar measurements of biological aerosols

In order to determine the performance of standoff sensors against agents, there is a need to develop methods to characterize the optical properties of biological warfare agents. The goal of this work is to develop a methodology that would allow the characterization of agent optical cross sections fr...

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Bibliographic Details
Published in:Applied optics. Optical technology and biomedical optics 2011-02, Vol.50 (5), p.717
Main Authors: Brown, David M, Thrush, Evan, Thomas, Michael E
Format: Article
Language:English
Subjects:
Aerosols
Biological Warfare Agents
Equipment Design
Optical Phenomena
Optics and Photonics - instrumentation
Optics and Photonics - methods
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Summary:In order to determine the performance of standoff sensors against agents, there is a need to develop methods to characterize the optical properties of biological warfare agents. The goal of this work is to develop a methodology that would allow the characterization of agent optical cross sections from the UV to the longwave IR. The present work demonstrates an optical measurement architecture based on lidar technology, allowing the measurement of backscatter and depolarization ratio from biological aerosols (either simulants or agents) released in a refereed, 1m chamber. Measured results on simulant materials are calibrated and compared to theoretical simulations of the cross sections.
ISSN:2155-3165
DOI:10.1364/AO.50.000717