Nuclear Quadrupolar Resonance of nitrogen allows selective detection of solid explosives containing Nitrogen. That technique has the advantage to be highly selective but its sensitivity is poor, in particular for some products presenting long relaxation time like Tri-Nitro-Toluene (TNT). The limitation is given by the noise of the detecting system, mainly a resonant coil tuned at the detection frequency. Here we present a new approach with mixed sensors having a potential sensitivity better than resonant coils for radio frequency detection and a wide band detection allowing the detection of several explosives with a rather simple system.
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Pannetier-Lecoeur, M., Fermon, C., Dyvorne, H., Cannies, G., Le Goff, G. (2009). 14N Nqr Detection of Explosives With Hybrid Sensors. In: Fraissard, J., Lapina, O. (eds) Explosives Detection Using Magnetic and Nuclear Resonance Techniques. NATO Science for Peace and Security Series B: Physics and Biophysics. Springer, Dordrecht. https://doi.org/10.1007/978-90-481-3062-7_2
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DOI: https://doi.org/10.1007/978-90-481-3062-7_2
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