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Proceedings Paper

Advances in Raman spectroscopy for explosive identification in aviation security
Author(s): Javier D. Santillán; Christopher D. Brown; Wayne Jalenak
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Paper Abstract

In the operational airport environment, the rapid identification of potentially hazardous materials such as improvised explosive devices, chemical warfare agents and flammable and explosive liquids is increasingly critical. Peroxide-based explosives pose a particularly insidious threat because they can be made from commonly available and relatively innocuous household chemicals, such as bleach and hydrogen peroxide. Raman spectroscopy has been validated as a valuable tool for rapid identification of chemicals, explosives, and narcotics and their precursors while allowing "line-of-sight" interrogation through bottles or other translucent containers. This enables safe identification of both precursor substances, such as acetone, and end-products, such as TATP, without direct sampling, contamination and exposure by security personnel. To date, Raman systems have been laboratory-based, requiring careful operation and maintenance by technology experts. The capital and ongoing expenses of these systems is also significant. Recent advances in Raman component technologies have dramatically reduced the footprint and cost, while improving the reliability and ease of use of Raman spectroscopy systems. Such technologies are not only bringing the lab to the field, but are also protecting civilians and security personnel in the process.

Paper Details

Date Published: 4 May 2007
PDF: 8 pages
Proc. SPIE 6540, Optics and Photonics in Global Homeland Security III, 65400P (4 May 2007); doi: 10.1117/12.723067
Show Author Affiliations
Javier D. Santillán, Ahura Scientific (United States)
Christopher D. Brown, Ahura Scientific (United States)
Wayne Jalenak, Ahura Scientific (United States)

Published in SPIE Proceedings Vol. 6540:
Optics and Photonics in Global Homeland Security III
Theodore T. Saito; Daniel Lehrfeld; Michael J. DeWeert, Editor(s)

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