The detection limit of imaging Raman spectroscopy for 2,4,6-TNT, 2,4-DNT, and RDX

Ema Ceco; Markus Nordberg; Anneli Ehlerding; Henric Östmark

doi:10.1117/12.974735

30 October 2012 The detection limit of imaging Raman spectroscopy for 2,4,6-TNT, 2,4-DNT, and RDX

Ema Ceco, Markus Nordberg, Anneli Ehlerding, Henric Östmark

Proceedings Volume 8546, Optics and Photonics for Counterterrorism, Crime Fighting, and Defence VIII; 854604 (2012) https://doi.org/10.1117/12.974735
Event: SPIE Security + Defence, 2012, Edinburgh, United Kingdom

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.

Citation Download Citation

Ema Ceco, Markus Nordberg, Anneli Ehlerding, and 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); https://doi.org/10.1117/12.974735

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