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Proceedings Paper

Imaging stand-off detection of explosives using tunable MIR quantum cascade lasers
Author(s): Frank Fuchs; Borislav Hinkov; Stefan Hugger; Jan M. Kaster; Rolf Aidam; Wolfgang Bronner; Klaus Köhler; Quankui Yang; Sven Rademacher; Kai Degreif; Frank Schnürer; Wenka Schweikert
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Paper Abstract

Results on the detection of traces of trinitrotoluene (TNT) on different substrate-materials like Aluminum and standard car paint are presented. We investigated different samples with a movable imaging standoff detection system at angles of incidence far away from specular reflection. The samples were illuminated with a tunable mid-infrared external-cavity quantum cascade laser. For collection of the diffusely backscattered light a highperformance infrared imager was used. Trace concentrations of TNT corresponding to fingerprints on realworld- substrates were detected, while false alarms of cross-contaminations were successfully suppressed.

Paper Details

Date Published: 22 January 2010
PDF: 7 pages
Proc. SPIE 7608, Quantum Sensing and Nanophotonic Devices VII, 760809 (22 January 2010); doi: 10.1117/12.840464
Show Author Affiliations
Frank Fuchs, Fraunhofer Institute for Applied Solid State Physics (Germany)
Borislav Hinkov, Fraunhofer Institute for Applied Solid State Physics (Germany)
Stefan Hugger, Fraunhofer Institute for Applied Solid State Physics (Germany)
Jan M. Kaster, Fraunhofer Institute for Applied Solid State Physics (Germany)
Rolf Aidam, Fraunhofer Institute for Applied Solid State Physics (Germany)
Wolfgang Bronner, Fraunhofer Institute for Applied Solid State Physics (Germany)
Klaus Köhler, Fraunhofer Institute for Applied Solid State Physics (Germany)
Quankui Yang, Fraunhofer Institute for Applied Solid State Physics (Germany)
Sven Rademacher, Fraunhofer Institute for Physical Measurement Techniques (Germany)
Kai Degreif, Fraunhofer Institute for Physical Measurement Techniques (Germany)
Frank Schnürer, Fraunhofer Institute for Chemical Technology (Germany)
Wenka Schweikert, Fraunhofer Institute for Chemical Technology (Germany)


Published in SPIE Proceedings Vol. 7608:
Quantum Sensing and Nanophotonic Devices VII
Manijeh Razeghi; Rengarajan Sudharsanan; Gail J. Brown, Editor(s)

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