Instrumentation, Techniques, and Measurement

Handheld dual-wavelength Raman instrument for the detection of chemical agents and explosives

[+] Author Affiliations
Steven D. Christesen, Jason A. Guicheteau, Augustus W. Fountain, III

U.S. Army Edgewood Chemical Biological Center, 5183 Blackhawk Road, APG-EA, Maryland 21010-5424, United States

Justin M. Curtiss

Excet, Inc., 6225 Brandon Avenue, Suite 360, Springfield, Virginia 22151-2110, United States

Opt. Eng. 55(7), 074103 (Jul 11, 2016). doi:10.1117/1.OE.55.7.074103
History: Received May 10, 2016; Accepted June 16, 2016
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Abstract.  Handheld Raman systems have become powerful analytical tools for the detection and identification of hazardous chemical materials that are now commonly used by both the civilian and military communities. Due to the availability of compact lasers and sensitive detectors, systems typically operate at 785 nm. However, the Raman return at this wavelength can still be obscured by fluorescent impurities in the targeted materials or their matrices. To potentially mitigate this shortcoming, a prototype dual-wavelength Raman incorporating both 785- and 1064-nm excitations was developed and assessed at the Edgewood Chemical Biological Center. The results of that evaluation are discussed here.

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© 2016 Society of Photo-Optical Instrumentation Engineers

Citation

Steven D. Christesen ; Jason A. Guicheteau ; Justin M. Curtiss and Augustus W. Fountain, III
"Handheld dual-wavelength Raman instrument for the detection of chemical agents and explosives", Opt. Eng. 55(7), 074103 (Jul 11, 2016). ; http://dx.doi.org/10.1117/1.OE.55.7.074103


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