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Characteristics of trace explosives particles in fingerprints for optical detection
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Paper Abstract

Trace particle quantities of explosives left behind by those handling explosives materials present an opportunity to identify both the handlers, secondary handlers and the objects they have contacted. Understanding the nature of these particles is critical for tailoring optical detection strategies as well as non-optical contact harvesting methods. We are working towards developing a model to understand and quantify the nature of particles transferred from the hands to different substrate surfaces. In this preliminary paper we report on a newly developed finger test-bed to produce a robotically controlled series of fingerprints, with an artificial finger designed to mimic the physicochemical properties of the human finger. In an initial set of experiments, we examine the effect of a range of applied forces, the effect of a range of initial particle sizes, and the serial print number on the deposited mass and deposited particle sizes, for a surrogate explosive loaded as particles on gloved fingers which are subsequently pressed against a set of clean glass slides.

Paper Details

Date Published: 17 May 2019
PDF: 7 pages
Proc. SPIE 11010, Chemical, Biological, Radiological, Nuclear, and Explosives (CBRNE) Sensing XX, 110100I (17 May 2019); doi: 10.1117/12.2519433
Show Author Affiliations
R. Andrew McGill, U.S. Naval Research Lab. (United States)
Robert Furstenberg, U.S. Naval Research Lab. (United States)
Michael Papantonakis, U.S. Naval Research Lab. (United States)
Viet Nguyen, U.S. Naval Research Lab. (United States)
Christopher A. Kendziora, U.S. Naval Research Lab. (United States)
Lara Stroud , American Society for Engineering Education (United States)
Lars Dryer, Federal Office of Bundeswehr Equipment (Germany)
Thomas Fischer, Federal Office of Bundeswehr Equipment (Germany)
Benjamin Andrews, Nova Research, Inc. (United States)
Caroline Colpoys, Oak Ridge Institute for Science and Education (United States)
Abby Goldberg, Oak Ridge Institute for Science and Education (United States)
Lilly Zehfus, Oak Ridge Institute for Science and Education (United States)
Andrew Kusterbeck, Nova Research, Inc. (United States)


Published in SPIE Proceedings Vol. 11010:
Chemical, Biological, Radiological, Nuclear, and Explosives (CBRNE) Sensing XX
Jason A. Guicheteau; Chris R. Howle, Editor(s)

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