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Pis'ma v Zhurnal Èksperimental'noi i Teoreticheskoi Fiziki, 2022, Volume 116, Issue 4, Pages 217–224
DOI: https://doi.org/10.31857/S1234567822160054 (Mi jetpl6734) 		 
This article is cited in 1 scientific paper (total in 1 paper)

OPTICS AND NUCLEAR PHYSICS

Control of femtosecond filamentation by means of the alignment of gas molecules by short-wavelength infrared laser pulses

V. O. Kompanetsa, A. A. Arkhipovaab, A. A. Melnikova, S. V. Chekalina

a Institute of Spectroscopy, Russian Academy of Sciences, Troitsk, Moscow, 108840 Russia
b National Research University Higher School of Economics, Moscow, 101000 Russia
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DOI: https://doi.org/10.31857/S1234567822160054
Abstract: It has been demonstrated experimentally that both the single and multiple filamentation of a femtosecond laser pulse in gaseous nitrogen can be controlled by means of the nonadiabatic alignment of molecules by 1400-nm pulses. The spectral shifts and change in the duration of a pulse caused by changes in the refractive index in the revival regions of a rotational wave packet have been detected. The stable and reproducible localization of radiation into separate filaments with the subdiffraction divergence and broadening of the spectrum by more than an octave has been observed in the multiple filamentation regime upon the alignment of molecules in the direction perpendicular to the pulse polarization.
Funding agency Grant number
Russian Science Foundation 18-12-00422
This work was supported by the Russian Science Foundation (project no. 18-12-00422).
Received: 30.06.2022
Revised: 13.07.2022
Accepted: 13.07.2022
English version:
Journal of Experimental and Theoretical Physics Letters, 2022, Volume 116, Issue 4, Pages 217–223
DOI: https://doi.org/10.1134/S0021364022601440
Bibliographic databases:
Document Type: Article
Language: Russian
Citation: V. O. Kompanets, A. A. Arkhipova, A. A. Melnikov, S. V. Chekalin, “Control of femtosecond filamentation by means of the alignment of gas molecules by short-wavelength infrared laser pulses”, Pis'ma v Zh. Èksper. Teoret. Fiz., 116:4 (2022), 217–224; JETP Letters, 116:4 (2022), 217–223
Citation in format AMSBIB
\Bibitem{KomArkMel22}
\by V.~O.~Kompanets, A.~A.~Arkhipova, A.~A.~Melnikov, S.~V.~Chekalin
\paper Control of femtosecond filamentation by means of the alignment of gas molecules by short-wavelength infrared laser pulses
\jour Pis'ma v Zh. \`Eksper. Teoret. Fiz.
\yr 2022
\vol 116
\issue 4
\pages 217--224
\mathnet{http://mi.mathnet.ru/jetpl6734}
\crossref{https://doi.org/10.31857/S1234567822160054}
\edn{https://elibrary.ru/jhrrjg}
\transl
\jour JETP Letters
\yr 2022
\vol 116
\issue 4
\pages 217--223
\crossref{https://doi.org/10.1134/S0021364022601440}
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    • This publication is cited in the following 1 articles:
    Citing articles in Google Scholar: Russian citations, English citations
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