Explosives standoff detection using Raman spectroscopy: from bulk towards trace detection

Anna Pettersson; Sara Wallin; Henric Östmark; Anneli Ehlerding; Ida Johansson; Markus Nordberg; Hanna Ellis; Ahmed Al-Khalili

doi:10.1117/12.852544

29 April 2010 Explosives standoff detection using Raman spectroscopy: from bulk towards trace detection

Anna Pettersson, Sara Wallin, Henric Östmark, Anneli Ehlerding, Ida Johansson, Markus Nordberg, Hanna Ellis, Ahmed Al-Khalili

Author Affiliations +

Proceedings Volume 7664, Detection and Sensing of Mines, Explosive Objects, and Obscured Targets XV; 76641K (2010) https://doi.org/10.1117/12.852544
Event: SPIE Defense, Security, and Sensing, 2010, Orlando, Florida, United States

Abstract

This paper gives a brief overview on our latest progress in the area of standoff detection. Standoff Raman measurements from 200 m and 470 m distance have been performed on bulk amounts of TATP and AN respectively, the former through a double sided window, the latter under heavy rain. Resonance Raman measurements on TNT, DNT and NM vapors in the ppm concentration regime are presented, showing resonance enhancement in the range of 2 200 (NM) to 57 000 (TNT) as compared to 532 nm Raman cross sections. Finally, the application of hyper spectral Raman imaging is described, exemplified by the resolution of four different samples (sulphur, AN, DNT, and TNT) in the form of 5 mm wide discs in one single image.

Citation Download Citation

Anna Pettersson, Sara Wallin, Henric Östmark, Anneli Ehlerding, Ida Johansson, Markus Nordberg, Hanna Ellis, and Ahmed Al-Khalili "Explosives standoff detection using Raman spectroscopy: from bulk towards trace detection", Proc. SPIE 7664, Detection and Sensing of Mines, Explosive Objects, and Obscured Targets XV, 76641K (29 April 2010); https://doi.org/10.1117/12.852544

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