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Pis'ma v Zhurnal Èksperimental'noi i Teoreticheskoi Fiziki, 2022, Volume 115, Issue 1, Pages 3–9
DOI: https://doi.org/10.31857/S1234567822010013
(Mi jetpl6577)
 

This article is cited in 29 scientific papers (total in 29 papers)

OPTICS AND NUCLEAR PHYSICS

Experimental determination of the unipolarity of pulsed terahertz radiation

M. V. Arkhipova, A. N. Tsypkinb, M. O. Zhukovab, A. O. Ismagilovb, A. V. Pakhomova, N. N. Rosanovac, R. M. Arkhipovca

a St. Petersburg State University, St. Petersburg, 199034 Russia
b ITMO University, St. Petersburg, 197101 Russia
c Ioffe Institute, St. Petersburg, 194021 Russia
References:
Abstract: Energy, pulse duration, and frequency of the spectral maximum are important characteristics of pulsed terahertz radiation. The unipolarity of radiation is another characteristic that is paid less attention to. This paper demonstrates possible ways how to determine the presence of unipolarity in the radiation of pulsed terahertz sources. The first approach is based on integrating the time dependence of the field strength in the far zone obtained experimentally. The second approach uses radio-technical equipment by means of recording low-frequency components of pulses, which exist in the unipolar terahertz radiation. The results of experiments are presented with recording the unipolar component of THz pulses by both methods. The existence of unipolarity is shown for pulses from some types of terahertz radiation sources. Estimations are made for the electric area and the degree of unipolarity of the pulsed radiation for the first time.
Funding agency Grant number
Russian Foundation for Basic Research 20-32-70049
The study was supported by the Russian Foundation for Basic Research, project no. 20-32-70049.
Received: 13.11.2021
Revised: 15.11.2021
Accepted: 15.11.2021
English version:
Journal of Experimental and Theoretical Physics Letters, 2022, Volume 115, Issue 1, Pages 1–6
DOI: https://doi.org/10.1134/S0021364022010015
Bibliographic databases:
Document Type: Article
Language: Russian
Citation: M. V. Arkhipov, A. N. Tsypkin, M. O. Zhukova, A. O. Ismagilov, A. V. Pakhomov, N. N. Rosanov, R. M. Arkhipov, “Experimental determination of the unipolarity of pulsed terahertz radiation”, Pis'ma v Zh. Èksper. Teoret. Fiz., 115:1 (2022), 3–9; JETP Letters, 115:1 (2022), 1–6
Citation in format AMSBIB
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\jour Pis'ma v Zh. \`Eksper. Teoret. Fiz.
\yr 2022
\vol 115
\issue 1
\pages 3--9
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\crossref{https://doi.org/10.31857/S1234567822010013}
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\jour JETP Letters
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\pages 1--6
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  • This publication is cited in the following 29 articles:
    Citing articles in Google Scholar: Russian citations, English citations
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