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Comparison of terahertz technologies for detection and identification of explosives

: Beigang, Renè; Biedron, Sandra; Dyjak, Slawomir; Ellrich, Frank; Haakestad, Magnus; Hübsch, Daniel; Kartaloglu, Tolga; Ozbay, Ekmel; Ospald, Frank; Palka, Norbert; Puc, Uros; Czerwińska, Elżbieta; Sahin, Asaf B.; Sesek, Aleksander; Trontelj, Janez; Švigelj, Andrej; Altan, Hakan; Rheenen, Arthur D. van; Walczakowski, Michal


Anwar, M.F. ; Society of Photo-Optical Instrumentation Engineers -SPIE-, Bellingham/Wash.:
Terahertz physics, devices, and systems VIII: Advanced applications in industry and defense : 5 - 6 May 2014, Baltimore, Maryland, United State
Bellingham, WA: SPIE, 2014 (Proceedings of SPIE 9102)
ISBN: 978-1-6284-1039-6
Paper 91020C, 10 S.
Conference "Terahertz Physics, Devices, and Systems" <8, 2014, Baltimore/Md.>
Fraunhofer IPM ()
THz time-domain spectroscopy; THz cw spectroscopy; THz inspection; explosives; detection; identification; electronic THz source; photonic THz system

We present results on the comparison of different THz technologies for the detection and identification of a variety of explosives from our laboratory tests that were carried out in the framework of NATO SET-193 THz technology for stand-off detection of explosives: from laboratory spectroscopy to detection in the field under the same controlled conditions. Several laser-pumped pulsed broadband THz time-domain spectroscopy (TDS) systems as well as one electronic frequency-modulated continuous wave (FMCW) device recorded THz spectra in transmission and/or reflection.