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17 September 2009 Long range standoff detection of chemical and explosive hazards on surfaces
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Fielded surface detection systems rely on contact with either the liquid contamination itself or the associated chemical vapor above the contaminated surface and do not provide a standoff or remote detection capability. Conversely, standoff chemical vapor sensing techniques have not shown efficacy in detecting those contaminants as liquids or solids on surfaces. There are a number of optical or spectroscopic techniques that could be applied to this problem of standoff chemical detection on surfaces. The three techniques that have received the most interest and development are laser induced breakdown spectroscopy (LIBS), fluorescence, and Raman spectroscopy. Details will be presented on the development of these techniques and their applicability to detecting CBRNE contamination on surfaces.
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Augustus Way Fountain III, Steven D. Christesen, Jason A. Guicheteau, William F. Pearman, and Tom Chyba "Long range standoff detection of chemical and explosive hazards on surfaces", Proc. SPIE 7484, Optically Based Biological and Chemical Detection for Defence V, 748403 (17 September 2009);

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