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Proceedings Paper

Detection of chemicals at a standoff >10 m distance based on single-beam coherent anti-Stokes Raman scattering
Author(s): Marcos Dantus; Haowen Li; D. Ahmasi Harris; Bingwei Xu; Paul J. Wrzesinski; Vadim V. Lozovoy
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Paper Abstract

The fundamental difficulty of achieving a coherently enhanced sensing method at standoff distances greater than 10 meters has been solved by single-beam coherent anti-Stokes Raman scattering and by actively measuring and eliminating chromatic dispersion experienced by the broad-bandwidth (100 nm) laser pulses. Characteristic Raman spectra for several chemicals in gas, liquid, and solid states, are successfully obtained from a 12 meter standoff distance. The results obtained indicate this is a promising approach to standoff detection of chemicals, hazardous contaminations, and explosives.

Paper Details

Date Published: 16 April 2008
PDF: 5 pages
Proc. SPIE 6954, Chemical, Biological, Radiological, Nuclear, and Explosives (CBRNE) Sensing IX, 69540P (16 April 2008); doi: 10.1117/12.777379
Show Author Affiliations
Marcos Dantus, Michigan State Univ. (United States)
Haowen Li, BioPhotonic Solutions Inc. (United States)
D. Ahmasi Harris, Michigan State Univ. (United States)
Bingwei Xu, Michigan State Univ. (United States)
Paul J. Wrzesinski, Michigan State Univ. (United States)
Vadim V. Lozovoy, Michigan State Univ. (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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