Abstract
The experimental realization of the two-frequency 14N nuclear quadrupole resonance (NQR) technique with use of the gradiometer radiofrequency (RF) probe for applications in the remote detection of explosives and other substances has been proposed. The planar two-frequency gradiometer has been designed, modeled and manufactured. The regions, where the RF magnetic fields are nearly orthogonal to each other, have been determined by finite-element modeling studies. The two-frequency experiments have been carried out for the detection of hexahydro-1,3,5-trinitro-s-triazine C3H6N6O6 (RDX). The possibility of the combined use of the two-frequency 14N NQR technique and the gradiometer RF probe in practice for detection of explosives hidden under clothes or underground has been also discussed.
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Science for Peace and Security Programme, Last updated: 10 Jun. 2021 14:20, https://www.nato.int/cps/en/natohq/topics_85373.htm
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This work was supported by NATO Science for Peace and Security Programme (SPS) [27], under SfP Project No. 982836.
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Khusnutdinov, R.R., Mozzhukhin, G.V., Konov, A.B. et al. Two-Frequency Planar Gradiometer for Distant NQR Detection of Explosives. Appl Magn Reson 52, 1787–1797 (2021). https://doi.org/10.1007/s00723-021-01430-2
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DOI: https://doi.org/10.1007/s00723-021-01430-2