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Proceedings Paper

Passive standoff detection of surface contaminants: modeling the spectral radiance
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Paper Abstract

An experimental and modeling study performed to estimate the spectral radiance of surface contaminants is presented. The goal of the study is to address issues relevant to the passive standoff detection of surface contaminants. For this experiment, SF96 and Krylon 41325 are used as contaminant simulants and the contamination of four different surfaces (aluminum, grass, soil and plywood) is analyzed. A first order model of reflectance for surface contaminants is proposed. Measurements of spectral radiance with the CATSI system is compared with the best-fit spectra derived from the model. The experimental results agree well with the model best fits for Krylon on aluminum and grass samples. For Krylon on soil and SF96 on plywood the model best fits fail to reproduce the experimental spectra. The reasons for this discrepancy is discussed.

Paper Details

Date Published: 7 February 2002
PDF: 11 pages
Proc. SPIE 4574, Instrumentation for Air Pollution and Global Atmospheric Monitoring, (7 February 2002); doi: 10.1117/12.455165
Show Author Affiliations
Jean-Marc Theriault, Defence Research Establishment Valcartier (Canada)
James O. Jensen, U.S. Army Soldier and Biological Chemical Command (United States)
Alan C. Samuels, U.S. Army Soldier and Biological Chemical Command (United States)
Avishai Ben-David, Science and Technology Corp. (United States)
Christopher M. Gittins, Physical Sciences Inc. (United States)
William J. Marinelli, Physical Sciences Inc. (United States)

Published in SPIE Proceedings Vol. 4574:
Instrumentation for Air Pollution and Global Atmospheric Monitoring
James O. Jensen; Robert L. Spellicy, Editor(s)

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