
Proceedings Paper
An influence of the absolute phase of THz pulse on linear and nonlinear medium responseFormat | Member Price | Non-Member Price |
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Paper Abstract
The influence of an absolute phase of the THz pulse with a few cycles on the spectrum and spectral dynamics of signal
reflected from or transmitted through the explosive or paper sheet is analyzed for problems of the detection and
identification of explosive. The signal was measured on the long-term interval with duration about 180 ps and contains
both the main reflected THz pulse and the subpulse with less intensity. Two cases of the reflection (normal and specular
reflection) of the THz pulse from the RDX are considered. For the THz pulse interaction with the paper sheet the
transmission mode is analyzed. Dependence of the nonlinear response of substance from the absolute phase of pulse is
illustrated by examples of SHG or self-action of laser pulse with a few cycles. We showed that the absolute phase of
pulse plays one of the key roles for the detection and identification of the substances at the reflection mode. It is
necessary to investigate this problem with big attention during next few years.
Paper Details
Date Published: 11 August 2011
PDF: 12 pages
Proc. SPIE 8195, International Symposium on Photoelectronic Detection and Imaging 2011: Terahertz Wave Technologies and Applications, 81951W (11 August 2011); doi: 10.1117/12.903558
Published in SPIE Proceedings Vol. 8195:
International Symposium on Photoelectronic Detection and Imaging 2011: Terahertz Wave Technologies and Applications
X.-C. Zhang; Jianquan Yao; Cunlin Zhang; Zhenzhan Wang, Editor(s)
PDF: 12 pages
Proc. SPIE 8195, International Symposium on Photoelectronic Detection and Imaging 2011: Terahertz Wave Technologies and Applications, 81951W (11 August 2011); doi: 10.1117/12.903558
Show Author Affiliations
Vyacheslav A. Trofimov, Lomonosov Moscow State Univ. (Russian Federation)
Svetlana A. Varentsova, Lomonosov Moscow State Univ. (Russian Federation)
Norbert Palka, Military Univ. of Technology (Poland)
Mieczyslaw Szustakowski, Military Univ. of Technology (Poland)
Svetlana A. Varentsova, Lomonosov Moscow State Univ. (Russian Federation)
Norbert Palka, Military Univ. of Technology (Poland)
Mieczyslaw Szustakowski, Military Univ. of Technology (Poland)
Tomasz Trzcinski, Military Univ. of Technology (Poland)
Sheng Lan, South China Normal Univ. (China)
Hai-Ying Liu, South China Normal Univ. (China)
Sheng Lan, South China Normal Univ. (China)
Hai-Ying Liu, South China Normal Univ. (China)
Published in SPIE Proceedings Vol. 8195:
International Symposium on Photoelectronic Detection and Imaging 2011: Terahertz Wave Technologies and Applications
X.-C. Zhang; Jianquan Yao; Cunlin Zhang; Zhenzhan Wang, Editor(s)
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