Real-time criteria based on spectral dynamics of medium response for the detection and identification of substance using THz signal

Vyacheslav A. Trofimov; Svetlana A. Varentsova

doi:10.1117/12.2064348

7 October 2014 Real-time criteria based on spectral dynamics of medium response for the detection and identification of substance using THz signal

Vyacheslav A. Trofimov, Svetlana A. Varentsova

Author Affiliations +

Proceedings Volume 9253, Optics and Photonics for Counterterrorism, Crime Fighting, and Defence X; and Optical Materials and Biomaterials in Security and Defence Systems Technology XI; 925305 (2014) https://doi.org/10.1117/12.2064348
Event: SPIE Security + Defence, 2014, Amsterdam, Netherlands

Abstract

We propose effective criteria based on the analysis of spectral dynamics of medium response for the detection and identification of dangerous substances at using pulsed THz signal containing a few cycles and fixed absolute phase. These criteria are integral criteria in time. We show the applicability of these criteria for distinguishing the drugs and for drugs detection in the mixture with neutral substances and explosives in transmission mode. We also apply these criteria for the detection of PWM C4 explosive with complicated shape of the surface in reflection mode.

Citation Download Citation

Vyacheslav A. Trofimov and Svetlana A. Varentsova "Real-time criteria based on spectral dynamics of medium response for the detection and identification of substance using THz signal", Proc. SPIE 9253, Optics and Photonics for Counterterrorism, Crime Fighting, and Defence X; and Optical Materials and Biomaterials in Security and Defence Systems Technology XI, 925305 (7 October 2014); https://doi.org/10.1117/12.2064348

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