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Proceedings Paper

Standoff LIBS measurements of energetic materials using a 266nm excitation laser
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Paper Abstract

A Deep-UV LIBS system has been constructed for the standoff detection of Explosives, and potentially Chemical, Biological, Radiological, and Nuclear (CBRN) substances. A Q-Switched Nd:YAG Laser operating in at 266nm was used for excitation of the LIBS plasma and future Raman excitation. This plasma was enhanced by the means of a nearly simultaneous CO2 laser which results in a method referred to as Townsend Effect Plasma Spectroscopy (TEPS). Spectra covering the range of 240-800nm at standoff distances are presented. The classical emission lines (i.e. C, N, O, H, etc) of the energetic samples were observed and a peak ratio technique was used to differentiate between benign and energetic samples of interest.

Paper Details

Date Published: 17 April 2008
PDF: 5 pages
Proc. SPIE 6954, Chemical, Biological, Radiological, Nuclear, and Explosives (CBRNE) Sensing IX, 695409 (17 April 2008); doi: 10.1117/12.778668
Show Author Affiliations
Robert D. Waterbury, Alakai Consulting & Engineering Inc. (United States)
Avishekh Pal, Univ. of South Florida (United States)
Dennis K. Killinger, Univ. of South Florida (United States)
Jeremy Rose, Alakai Consulting & Engineering Inc. (United States)
Edwin L. Dottery, Alakai Consulting & Engineering Inc. (United States)
Guy Ontai, Alakai Consulting & Engineering Inc. (United States)


Published in SPIE Proceedings Vol. 6954:
Chemical, Biological, Radiological, Nuclear, and Explosives (CBRNE) Sensing IX
Augustus Way Fountain; Patrick J. Gardner, Editor(s)

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