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Proceedings Paper

Use of neutron tomography for airline security
Author(s): Thomas Gill Miller
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Paper Abstract

A fast neutron attenuation system that uses a white neutron source and pulsed fast neutron spectroscopy has been used along with neutron tomography to obtain the hydrogen, carbon, nitrogen, and oxygen (H, C, N and O) concentrations at specified cuts through sealed containers. A 3D plot of the H, C, N and O number density can be obtained throughout the volume by combining a number of cuts. Three independent ratios C/O, N/O and H/C are obtained from the four number densities and used in a neural network program to predict the presence of explosives and drugs in sealed containers.

Paper Details

Date Published: 1 February 1994
PDF: 14 pages
Proc. SPIE 2093, Substance Identification Analytics, (1 February 1994); doi: 10.1117/12.172501
Show Author Affiliations
Thomas Gill Miller, Tensor Technology Inc. (United States)

Published in SPIE Proceedings Vol. 2093:
Substance Identification Analytics
James L. Flanagan; Richard J. Mammone; Albert E. Brandenstein; Edward Roy Pike M.D.; Stelios C. A. Thomopoulos; Marie-Paule Boyer; H. K. Huang; Osman M. Ratib, Editor(s)

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