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Kvantovaya Elektronika, 2018, Volume 48, Number 5, Pages 464–467 (Mi qe16812)  

This article is cited in 1 scientific paper (total in 1 paper)

Special issue 'Physics of ultracold atoms and their applications'

Precision measurement of the forbidden 21S0 – 23S1 transition frequency in a helium atom

E. V. Baklanovab, P. V. Pokasova, A. V. Taichenachevab

a Institute of Laser Physics, Siberian Branch, Russian Academy of Sciences, Novosibirsk
b Novosibirsk State University
Full-text PDF (475 kB) Citations (1)
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Abstract: We demonstrate the possibility of measuring the forbidden 21S0 – 23S1 transition frequency (λ = 1557 nm) of a helium atom by the method of stimulated Raman scattering through the intermediate 23P1 level. Singlet (21S0) and triplet (23S1) states have long lifetimes of 20 ms and 8000 s, respectively. The transition is important for the spectroscopy of the helium atom because it relates the singlet and triplet parts of the spectrum.
Keywords: lasers, spectroscopy, helium atom, singlet and triplet levels, forbidden transition, frequency standard.
Funding agency Grant number
Russian Foundation for Basic Research 17-02-00292
Received: 08.11.2017
Revised: 12.01.2018
English version:
Quantum Electronics, 2018, Volume 48, Issue 5, Pages 464–467
DOI: https://doi.org/10.1070/QEL16568
Bibliographic databases:
Document Type: Article
Language: Russian


Citation: E. V. Baklanov, P. V. Pokasov, A. V. Taichenachev, “Precision measurement of the forbidden 21S0 – 23S1 transition frequency in a helium atom”, Kvantovaya Elektronika, 48:5 (2018), 464–467 [Quantum Electron., 48:5 (2018), 464–467]
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  • https://www.mathnet.ru/eng/qe16812
  • https://www.mathnet.ru/eng/qe/v48/i5/p464
  • This publication is cited in the following 1 articles:
    Citing articles in Google Scholar: Russian citations, English citations
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