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Imaging standoff detection of explosives with broad band tunable quantum cascade lasers

: Fuchs, F.; Jarvis, J.; Hugger, S.; Kinzer, M.; Yang, Q.K.; Ostendorf, R.; Bronner, W.; Driad, R.; Aidam, R.; Wagner, J.


Optical Society of America -OSA-, Washington/D.C.:
Optical Instrumentation for Energy and Environmental Applications 2012 : Part of Renewable Energy and the Environment. 11 - 14 November 2012, Eindhoven, Netherlands
Washington, DC: OSA, 2012
ISBN: 978-1-55752-952-7
Paper EM4C.1
Conference on Optical Instrumentation for Energy and Environmental Applications (E2) <2012, Eindhoven>
Renewable Energy and the Environment Congress <2012, Eindhoven>
Conference Paper
Fraunhofer IAF ()

In this work we demonstrate standoff detection of traces of explosives using midinfrared laser spectroscopy. We apply active laser illumination and use an infrared camera for collection of the diffusely backscattered laser radiation. The key component of the system is an external cavity quantum cascade. Different numerical hyperspectral image analysis methods are evaluated with respect to target detection performance and false alarm rate using both synthetic and real spectroscopic data.