Comparison of Visible and Near-Infrared Raman Cross-Sections of Explosives in Solution and in the Solid State

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Abstract:

Raman cross-sections of explosives in solution and in the solid state have been measured using visible and near-infrared excitation via secondary calibration. These measurements are valuable for both fundamental scientific purposes and applications in the standoff detection of explosives. The explosive compounds RDX, HMX, TNT, 2,4-DNT, 2,6-DNT, and ammonium nitrate were measured using discrete excitation wavelengths ranging from 532 nm to 785 nm. A comparison of the spectral features and cross-sections between the solid state and solution was performed. Comparison is also made to cross-sections measured with deep ultraviolet excitation.

Keywords: Cross-section; Explosives; Raman spectroscopy; Solid state; Solution phase; Standoff detection

Document Type: Research Article

DOI: http://dx.doi.org/10.1366/11-06549

Affiliations: Science Applications International Corporation, P.O. Box 68, Gunpowder Branch, Aberdeen Proving Ground, Maryland 21010-5424, USA

Publication date: June 1, 2012

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