Standoff detection of hazardous materials using a novel dual-laser pulse technique: theory and experiments

Alan Ford; Robert D. Waterbury; Jeremy Rose; Edwin L. Dottery

doi:10.1117/12.819214

8 May 2009 Standoff detection of hazardous materials using a novel dual-laser pulse technique: theory and experiments

Alan Ford, Robert D. Waterbury, Jeremy Rose, Edwin L. Dottery

Proceedings Volume 7304, Chemical, Biological, Radiological, Nuclear, and Explosives (CBRNE) Sensing X; 73041C (2009) https://doi.org/10.1117/12.819214
Event: SPIE Defense, Security, and Sensing, 2009, Orlando, Florida, United States

Abstract

The present work focuses on a new variant of double pulse laser induced breakdown spectroscopy (DP-LIBS) called Townsend effect plasma spectroscopy (TEPS) for standoff applications. In the TEPS technique, the atomic and molecular emission lines are enhanced by a factor on the order of 25 to 300 times over LIBS, depending upon the emission lines observed. As a result, it is possible to extend the range of laser induced plasma techniques beyond LIBS and DP-LIBS for the detection of CBRNE materials at distances of several meters.

Citation Download Citation

Alan Ford, Robert D. Waterbury, Jeremy Rose, and Edwin L. Dottery "Standoff detection of hazardous materials using a novel dual-laser pulse technique: theory and experiments", Proc. SPIE 7304, Chemical, Biological, Radiological, Nuclear, and Explosives (CBRNE) Sensing X, 73041C (8 May 2009); https://doi.org/10.1117/12.819214

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