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Effectiveness of Combined Laser and Gas Chromatographic Remote Detection of Traces of Explosives

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The results of remote detection of objects containing explosives with a lidar detector of traces of explosives in combination with a portable express gas chromatograph are presented. It is shown that the lidar detector of traces of explosives confidently detects the simulators of TNT, hexogen, and PETN from a distance of 5 m when sounding the surface of a sample. Laser action on the sample surface causes desorption of vapors, which are reliably detected by the gas chromatograph. It is shown that the joint use of the laser sounding and gas chromatography techniques makes it possible to increase the reliability of detection of explosives. The prospects of using the gas chromatography in the development of laser sounding techniques are determined.

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The work was supported by Siberian Branch of the Russian Academy of Sciences (Complex Program of Fundamental Research, project no. 0385-2018-0014), the Russian Foundation for Basic Research (grant no. 16-29-09474), and President of the Russian Federation (grant no. MK-619.2018.8, agreement no. 075-02-2018-798).

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Correspondence to S. M. Bobrovnikov or V. I. Zharkov.

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Translated by O. Ponomareva

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Baldin, M.N., Bobrovnikov, S.M., Vorozhtsov, A.B. et al. Effectiveness of Combined Laser and Gas Chromatographic Remote Detection of Traces of Explosives. Atmos Ocean Opt 32, 227–233 (2019).

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