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Proceedings Paper

Optimization of a low-angle x-ray scatter system for explosive detection
Author(s): Russell D. Luggar; Julie A. Horrocks; Robert D. Speller; Gary J. Royle; Richard John Lacey
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Paper Abstract

Coherent scatter measurements have been shown to be a potentially useful tool in the detection of energetic materials. The relationship between explosive volume, method of concealment, environment, and resulting threat has been considered in the design of our energy dispersive low angle x-ray scatter system. The principle application of the system is for the detection of explosives concealed within passenger luggage in sheet form. The effects of parameters such as scattering angle, beam collimation, explosive material geometry, overlying materials and counting statistics have been measured experimentally and comparison made with theoretical prediction. It has been found that: 1) scatter signature analysis dictates optimum scattering angles for different explosives, and 2) partial volume effects must be combined with scatter angles to give total system optimization.

Paper Details

Date Published: 15 September 1995
PDF: 10 pages
Proc. SPIE 2511, Law Enforcement Technologies: Identification Technologies and Traffic Safety, (15 September 1995); doi: 10.1117/12.219602
Show Author Affiliations
Russell D. Luggar, St. Bartholomew's Hospital (United Kingdom)
Julie A. Horrocks, St. Bartholomew's Hospital (United Kingdom)
Robert D. Speller, Univ. College London (United Kingdom)
Gary J. Royle, Univ. College London (United Kingdom)
Richard John Lacey, Police Science Development Branch (United Kingdom)

Published in SPIE Proceedings Vol. 2511:
Law Enforcement Technologies: Identification Technologies and Traffic Safety
Bernard Dubuisson; Geoffrey L. Harding, Editor(s)

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