30 October 2012 The detection limit of imaging Raman spectroscopy for 2,4,6-TNT, 2,4-DNT, and RDX
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Abstract
At the Swedish Defence Research Agency, FOI, Raman spectroscopy is used to detect explosives at stand-off distances. A technique based on imaging Raman spectroscopy has been shown to have the potential to detect trace amounts of explosives at stand-off distances. In this publication we provide limits of detection with the current imaging Raman setup for four different substances, cyclotrimethylenetrinitramine (RDX), 2,4-dinitrotoluene (DNT), 2,4,6-trinitrotoluene (TNT), and sulfur. The limits of detection for DNT and TNT were found to be about 0,5 μg while the lowest limit of detection was achieved for sulfur at 200 ng. The detection limit for RDX is 25,9 μg.
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Ema Ceco, Markus Nordberg, Anneli Ehlerding, Henric Östmark, "The detection limit of imaging Raman spectroscopy for 2,4,6-TNT, 2,4-DNT, and RDX", Proc. SPIE 8546, Optics and Photonics for Counterterrorism, Crime Fighting, and Defence VIII, 854604 (30 October 2012); doi: 10.1117/12.974735; https://doi.org/10.1117/12.974735
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KEYWORDS
Raman spectroscopy

Sulfur

Imaging spectroscopy

Explosives

Imaging systems

Explosives detection

Defense and security

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