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Pis'ma v Zhurnal Èksperimental'noi i Teoreticheskoi Fiziki, 2023, Volume 118, Issue 1, Pages 7–13
DOI: https://doi.org/10.31857/S1234567823130037
(Mi jetpl6977)
 

This article is cited in 4 scientific papers (total in 4 papers)

OPTICS AND NUCLEAR PHYSICS

Sharp focusing of an atomic beam with the doppler and sub-doppler laser cooling mechanisms in a two-dimensional magneto-optical trap

D. V. Bykovaab, A. E. Afanasieva, V. I. Balykina

a Institute of Spectroscopy, Russian Academy of Sciences, Troitsk, Moscow, 108840 Russia
b National Research University Higher School of Economics, Moscow, 101000 Russia
References:
Abstract: The focusing of an atomic beam with the use of a two-dimensional magneto-optical trap in order to increase the number of atoms in the region of their laser cooling and localization near an atom chip is discussed. Two regimes of the interaction of atoms with a focusing laser field are considered: (i) the Doppler interaction regime, which occurs at small detunings of the laser field from the atomic resonance, and (ii) the sub-Doppler interaction regime, which occurs at large detunings of the laser field from the atomic resonance. The efficiency of focusing in the first case is low because of the momentum diffusion. It has been shown that the momentum diffusion in the sub-Doppler cooling mechanism is insignificant and, as a result, the broadening of the transverse velocity distribution of atoms is small. The sharp focusing of the atomic beam is possible in this interaction regime.
Funding agency Grant number
Russian Science Foundation 21-12-00323
Ministry of Science and Higher Education of the Russian Federation FFUU-2021-0003
This work was supported by the Russian Science Foundation (project no. 21-12-00323, https://rscf.ru/project/21-12-00323/) and in part by the Ministry of Science and Higher Education of the Russian Federation (state assignment no. FFUU-2021-0003).
Received: 22.05.2023
Revised: 22.05.2023
Accepted: 22.05.2023
English version:
Journal of Experimental and Theoretical Physics Letters, 2023, Volume 118, Issue 1, Pages 14–20
DOI: https://doi.org/10.1134/S0021364023601549
Bibliographic databases:
Document Type: Article
Language: Russian
Citation: D. V. Bykova, A. E. Afanasiev, V. I. Balykin, “Sharp focusing of an atomic beam with the doppler and sub-doppler laser cooling mechanisms in a two-dimensional magneto-optical trap”, Pis'ma v Zh. Èksper. Teoret. Fiz., 118:1 (2023), 7–13; JETP Letters, 118:1 (2023), 14–20
Citation in format AMSBIB
\Bibitem{BykAfaBal23}
\by D.~V.~Bykova, A.~E.~Afanasiev, V.~I.~Balykin
\paper Sharp focusing of an atomic beam with the doppler and sub-doppler laser cooling mechanisms in a two-dimensional magneto-optical trap
\jour Pis'ma v Zh. \`Eksper. Teoret. Fiz.
\yr 2023
\vol 118
\issue 1
\pages 7--13
\mathnet{http://mi.mathnet.ru/jetpl6977}
\crossref{https://doi.org/10.31857/S1234567823130037}
\edn{https://elibrary.ru/fzjdgk}
\transl
\jour JETP Letters
\yr 2023
\vol 118
\issue 1
\pages 14--20
\crossref{https://doi.org/10.1134/S0021364023601549}
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  • https://www.mathnet.ru/eng/jetpl/v118/i1/p7
  • This publication is cited in the following 4 articles:
    Citing articles in Google Scholar: Russian citations, English citations
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    Письма в Журнал экспериментальной и теоретической физики Pis'ma v Zhurnal Иksperimental'noi i Teoreticheskoi Fiziki
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