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Comparison of terahertz technologies for detection and identification of explosives

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2014-05-06
Beigang, Rene
Biedron, Sandra G.
Dyjak, Slawomir
Ellrich, Frank
Haakestad, Magnus W.
Huebsch, Daniel
Kartaloglu, Tolga
Ozbay, Ekmel
Ospald, Frank
Palka, Norbert
Puc, Uros
Czerwinska, Elzbieta
Sahin, Asaf B.
Sesek, Aleksander
Trontelj, Janez
Svigelj, Andrej
Altan, Hakan
van Rheenen, Arthur D.
Walczakowski, Michal
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.