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Proceedings Paper

Imaging stand-off detection of explosives by quantum cascade laser based backscattering spectroscopy
Author(s): Frank Fuchs; Stefan Hugger; Michel Kinzer; Borislav Hinkov; Rolf Aidam; Wolfgang Bronner; Rainer Lösch; Quankui Yang; Kai Degreif; Frank Schnürer; Wenka Schweikert
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Paper Abstract

In this contribution we present the results of an imaging stand-off detection system based on a mid-IR external-cavity quantum cascade laser (EC-QCL) with a broad tunable range of 200 cm-1. Traces of TNT (trinitrotoluene) and PETN (pentaerythritol tetranitrate) as well as various non-hazardous substances such as flour or skin cream on different substrate-materials were investigated by illuminating them with the EC-QC laser and collecting the diffusely backscattered light. By tuning the EC-QCL across the significant absorption spectra we were able to detect the explosives

Paper Details

Date Published: 28 August 2010
PDF: 9 pages
Proc. SPIE 7808, Infrared Remote Sensing and Instrumentation XVIII, 780810 (28 August 2010); doi: 10.1117/12.861356
Show Author Affiliations
Frank Fuchs, Fraunhofer-Institut für Angewandte Festkörperphysik (Germany)
Stefan Hugger, Fraunhofer-Institut für Angewandte Festkörperphysik (Germany)
Michel Kinzer, Fraunhofer-Institut für Angewandte Festkörperphysik (Germany)
Borislav Hinkov, Fraunhofer-Institut für Angewandte Festkörperphysik (Germany)
Rolf Aidam, Fraunhofer-Institut für Angewandte Festkörperphysik (Germany)
Wolfgang Bronner, Fraunhofer-Institut für Angewandte Festkörperphysik (Germany)
Rainer Lösch, Fraunhofer-Institut für Angewandte Festkörperphysik (Germany)
Quankui Yang, Fraunhofer-Institut für Angewandte Festkörperphysik (Germany)
Kai Degreif, Fraunhofer-Institut für Physikalische Messtechnik (Germany)
Frank Schnürer, Fraunhofer-Institut für Chemische Technologie (Germany)
Wenka Schweikert, Fraunhofer-Institut für Chemische Technologie (Germany)


Published in SPIE Proceedings Vol. 7808:
Infrared Remote Sensing and Instrumentation XVIII
Marija Strojnik; Gonzalo Paez, Editor(s)

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