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Proceedings Paper

Compact, rapid, and rugged detector of military and improvised explosives based on external grating cavity quantum cascade lasers
Author(s): Alexei Tsekoun; Ilya Dunayevskiy; Richard Maulini; Rodolfo Barron-Jimenez; Arkadiy Lyakh; C. Kumar N. Patel
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Paper Abstract

Early detection of explosive substances is the first and most difficult step in defeating explosive devices. Many currently available methods suffer from fundamental failure modes limiting their realworld suitability. Infrared spectroscopy is ideal for reliable identification of explosives since it probes the chemical composition of molecules. Quantum cascade lasers rapidly became the light source of choice of IR spectroscopy due to their wavelength agility, relatively high output power, and small size and weight. Our compact, rapid, and rugged multi-explosives sensor based on external grating cavity QCLs simultaneously detects TNT, TATP, and acetone while being immune to ammonium nitrate interference. The instrument features low false alarm rate, and low probability of false negatives. Receiver operation characteristics curves are presented.

Paper Details

Date Published: 28 August 2009
PDF: 10 pages
Proc. SPIE 7434, Optical Technologies for Arming, Safing, Fuzing, and Firing V, 74340J (28 August 2009); doi: 10.1117/12.826623
Show Author Affiliations
Alexei Tsekoun, Pranalytica, Inc. (United States)
Ilya Dunayevskiy, Pranalytica, Inc. (United States)
Richard Maulini, Pranalytica, Inc. (United States)
Rodolfo Barron-Jimenez, Pranalytica, Inc. (United States)
Arkadiy Lyakh, Pranalytica, Inc. (United States)
C. Kumar N. Patel, Pranalytica, Inc. (United States)

Published in SPIE Proceedings Vol. 7434:
Optical Technologies for Arming, Safing, Fuzing, and Firing V
Fred M. Dickey; Richard A. Beyer, Editor(s)

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