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Proceedings Paper

Millimeter wave measurements of explosives and simulants
Author(s): Jeffrey Barber; James C. Weatherall; Barry T. Smith; Steve Duffy; Stephen J. Goettler; Ronald A. Krauss
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Paper Abstract

Devices using electromagnetic (EM) waves in the GHz range are evolving rapidly. The advancement of this technology for security applications, such as explosives detection and personnel screening, requires an understanding of the optical properties of various materials. Using terahertz time-domain spectroscopy and free space millimeter-wave measurements, the dielectric constant of explosives have been measured. Methods used to standardize the experimental measurement and characterize the EM/material interaction are described. These results have enabled the development of mixtures of benign substances as simulants for testing. A comparison of the anticipated signal returns are presented for the range 100 - 500 GHz for a limited set of explosives and simulants.

Paper Details

Date Published: 27 April 2010
PDF: 7 pages
Proc. SPIE 7670, Passive Millimeter-Wave Imaging Technology XIII, 76700E (27 April 2010); doi: 10.1117/12.848794
Show Author Affiliations
Jeffrey Barber, Battelle Memorial Institute (United States)
James C. Weatherall, SRA International, Inc. (United States)
Barry T. Smith, U.S. Dept. of Homeland Security (United States)
Steve Duffy, Global Systems Technologies, Inc. (United States)
Stephen J. Goettler, Global Systems Technologies, Inc. (United States)
Ronald A. Krauss, U.S. Dept. of Homeland Security (United States)

Published in SPIE Proceedings Vol. 7670:
Passive Millimeter-Wave Imaging Technology XIII
David A. Wikner; Arttu R. Luukanen, Editor(s)

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