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17 September 2009Long range standoff detection of chemical and explosive hazards on surfaces
Augustus Way Fountain III,1 Steven D. Christesen,1 Jason A. Guicheteau,1 William F. Pearman,2 Tom Chyba3
1U.S. Army Edgewood Chemical Biological Ctr. (United States) 2U.S. Military Academy (United States) 3ITT Advanced Engineering & Sciences (United States)
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, 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); https://doi.org/10.1117/12.835087