Double-pulse standoff laser-induced breakdown spectroscopy for versatile hazardous materials detection

We have developed a double-pulse standoff laser-induced breakdown spectroscopy (ST-LIBS) system capable of detecting a variety of hazardous materials at tens of meters. The use of a double-pulse laser improves the sensitivity and selectivity of ST-LIBS, especially for the detection of energetic mate...

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Published in:Spectrochimica acta. Part B: Atomic spectroscopy 2007-12, Vol.62 (12), p.1405-1411
Main Authors: Gottfried, Jennifer L., De Lucia, Frank C., Munson, Chase A., Miziolek, Andrzej W.
Format: Article
Language:English
Subjects:
Bacillus subtilis
Double pulse
Energetic material
LIBS
Standoff detection
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description We have developed a double-pulse standoff laser-induced breakdown spectroscopy (ST-LIBS) system capable of detecting a variety of hazardous materials at tens of meters. The use of a double-pulse laser improves the sensitivity and selectivity of ST-LIBS, especially for the detection of energetic materials. In addition to various metallic and plastic materials, the system has been used to detect bulk explosives RDX and Composition-B, explosive residues, biological species such as the anthrax surrogate Bacillus subtilis, and chemical warfare simulants at 20 m. We have also demonstrated the discrimination of explosive residues from various interferents on an aluminum substrate.
doi_str_mv 10.1016/j.sab.2007.10.039
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subjects Bacillus subtilis
Double pulse
Energetic material
LIBS
Standoff detection
title Double-pulse standoff laser-induced breakdown spectroscopy for versatile hazardous materials detection
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