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Proceedings Paper

Explosives standoff detection using Raman spectroscopy: from bulk towards trace detection
Author(s): Anna Pettersson; Sara Wallin; Henric Östmark; Anneli Ehlerding; Ida Johansson; Markus Nordberg; Hanna Ellis; Ahmed Al-Khalili
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Paper 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.

Paper Details

Date Published: 29 April 2010
PDF: 12 pages
Proc. SPIE 7664, Detection and Sensing of Mines, Explosive Objects, and Obscured Targets XV, 76641K (29 April 2010); doi: 10.1117/12.852544
Show Author Affiliations
Anna Pettersson, Swedish Defence Research Agency (Sweden)
Sara Wallin, Swedish Defence Research Agency (Sweden)
Henric Östmark, Swedish Defence Research Agency (Sweden)
Anneli Ehlerding, Swedish Defence Research Agency (Sweden)
Ida Johansson, Swedish Defence Research Agency (Sweden)
Markus Nordberg, Swedish Defence Research Agency (Sweden)
Hanna Ellis, Swedish Defence Research Agency (Sweden)
Ahmed Al-Khalili, Swedish Defence Research Agency (Sweden)

Published in SPIE Proceedings Vol. 7664:
Detection and Sensing of Mines, Explosive Objects, and Obscured Targets XV
Russell S. Harmon; John H. Holloway Jr.; J. Thomas Broach, Editor(s)

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