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Proceedings Paper

Optimal dynamic detection of explosives
Author(s): D. S. Moore; Herschel Rabitz; S. D. McGrane; M. Greenfield; R. J. Scharff; V. Beltrani; J. Roslund
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Paper Abstract

The detection of explosives is a notoriously difficult problem, especially at stand-off distances, due to their (generally) low vapor pressure, environmental and matrix interferences, and packaging. We are exploring optimal dynamic detection to exploit the best capabilities of recent advances in laser technology and recent discoveries in optimal shaping of laser pulses for control of molecular processes to significantly enhance the standoff detection of explosives. The core of the ODD-Ex technique is the introduction of optimally shaped laser pulses to simultaneously enhance sensitivity of explosives signatures while reducing the influence of noise and the signals from background interferents in the field (increase selectivity). These goals are being addressed by operating in an optimal nonlinear fashion, typically with a single shaped laser pulse inherently containing within it coherently locked control and probe sub-pulses. With sufficient bandwidth, the technique is capable of intrinsically providing orthogonal broad spectral information for data fusion, all from a single optimal pulse.

Paper Details

Date Published: 8 May 2009
PDF: 8 pages
Proc. SPIE 7304, Chemical, Biological, Radiological, Nuclear, and Explosives (CBRNE) Sensing X, 730413 (8 May 2009); doi: 10.1117/12.818671
Show Author Affiliations
D. S. Moore, Los Alamos National Lab. (United States)
Herschel Rabitz, Princeton Univ. (United States)
S. D. McGrane, Los Alamos National Lab. (United States)
M. Greenfield, Los Alamos National Lab. (United States)
R. J. Scharff, Los Alamos National Lab. (United States)
V. Beltrani, Princeton Univ. (United States)
J. Roslund, Princeton Univ. (United States)

Published in SPIE Proceedings Vol. 7304:
Chemical, Biological, Radiological, Nuclear, and Explosives (CBRNE) Sensing X
Augustus W. Fountain III; Patrick J. Gardner, Editor(s)

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