Surface-enhanced Raman sensor for nitroexplosive vapors

John W. Haas III; James M. Sylvia; Kevin M. Spencer; Thomas M. Johnston; Susan L. Clauson

doi:10.1117/12.324179

4 September 1998 Surface-enhanced Raman sensor for nitroexplosive vapors

John W. Haas III, James M. Sylvia, Kevin M. Spencer, Thomas M. Johnston, Susan L. Clauson

Proceedings Volume 3392, Detection and Remediation Technologies for Mines and Minelike Targets III; (1998) https://doi.org/10.1117/12.324179
Event: Aerospace/Defense Sensing and Controls, 1998, Orlando, FL, United States

Abstract

Surface-enhanced Raman scattering has been measured for solutions of 2,4-dinitrotoluene (2,4-DNT), trinitrotoluene (TNT), and hexahydro-1,3,5-trinitro-s-triazine (RDX) adsorbed onto metal foils, island films, coated microspheres, and colloids. The wavelength selectivity of the method was also investigated for lasers which potentially may be used in a field instrument. Preliminary room temperature vapor-phase SERS detection of 2,4-DNT adsorbed on gold foil has been achieved. The results demonstrate the potential of SERS as a detector of buried landmines when coupled to compact man- portable Raman instrumentation.

Citation Download Citation

John W. Haas III, James M. Sylvia, Kevin M. Spencer, Thomas M. Johnston, and Susan L. Clauson "Surface-enhanced Raman sensor for nitroexplosive vapors", Proc. SPIE 3392, Detection and Remediation Technologies for Mines and Minelike Targets III, (4 September 1998); https://doi.org/10.1117/12.324179

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