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Pis'ma v Zhurnal Èksperimental'noi i Teoreticheskoi Fiziki, 2023, Volume 118, Issue 7, Pages 502–505
DOI: https://doi.org/10.31857/S1234567823190059 (Mi jetpl7051) 		 
OPTICS AND NUCLEAR PHYSICS

Controlling the angular divergence of terahertz radiation generated by single-color filaments using phase optical elements

D. V. Pushkareva, G. E. Rizaeva, O. G. Kosarevaab, L. V. Selezneva

a Lebedev Physical Institute, Russian Academy of Sciences, Moscow, 119991 Russia
b Faculty of Physics, Moscow State University, Moscow, 119991 Russia
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DOI: https://doi.org/10.31857/S1234567823190059
Abstract: We have experimentally obtained two-dimensional distributions of terahertz radiation generated by one or four filaments formed by phase optical elements in air. It has been demonstrated that the use of the phase mask reduces the propagation angles of terahertz beam by approximately one and a half times, which is due to the interference of terahertz radiation from four sources. The use of the Dammann grating slightly enlarges these angles.
Funding agency Grant number
Russian Science Foundation 21-49-00023
National Natural Science Foundation of China
The work was supported by the Russian Science Foundation (project no. 21-49-00023), and the National Natural Science Foundation of China (grant no. 12061131010).
Received: 05.09.2023
Revised: 07.09.2023
Accepted: 07.09.2023
English version:
Journal of Experimental and Theoretical Physics Letters, 2023, Volume 118, Issue 7, Pages 491–494
DOI: https://doi.org/10.1134/S0021364023602786
Bibliographic databases:
Document Type: Article
Language: Russian
Citation: D. V. Pushkarev, G. E. Rizaev, O. G. Kosareva, L. V. Seleznev, “Controlling the angular divergence of terahertz radiation generated by single-color filaments using phase optical elements”, Pis'ma v Zh. Èksper. Teoret. Fiz., 118:7 (2023), 502–505; JETP Letters, 118:7 (2023), 491–494
Citation in format AMSBIB
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\by D.~V.~Pushkarev, G.~E.~Rizaev, O.~G.~Kosareva, L.~V.~Seleznev
\paper Controlling the angular divergence of terahertz radiation generated by single-color filaments using phase optical elements
\jour Pis'ma v Zh. \`Eksper. Teoret. Fiz.
\yr 2023
\vol 118
\issue 7
\pages 502--505
\mathnet{http://mi.mathnet.ru/jetpl7051}
\crossref{https://doi.org/10.31857/S1234567823190059}
\edn{https://elibrary.ru/xsyptw}
\transl
\jour JETP Letters
\yr 2023
\vol 118
\issue 7
\pages 491--494
\crossref{https://doi.org/10.1134/S0021364023602786}
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