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JETP Letters

, Volume 108, Issue 8, pp 513–518 | Cite as

Features of the Formation of the Spin Polarization of an Alkali Metal at the Resolution of Hyperfine Sublevels in the 2S1/2 State

  • E. N. PopovEmail author
  • V. A. Bobrikova
  • S. P. Voskoboinikov
  • K. A. Barantsev
  • S. M. Ustinov
  • A. N. Litvinov
  • A. K. Vershovskii
  • S. P. Dmitriev
  • V. A. Kartoshkin
  • A. S. Pazgalev
  • M. V. Petrenko
Optics and Laser Physics
  • 5 Downloads

Abstract

The optical orientation of the angular momenta of alkali atoms in the presence of a buffer gas (molecular nitrogen) has been studied experimentally. It has been shown that, even at a low concentration of molecular nitrogen in the cell, the excitation of 133Cs atoms from the lower hyperfine level with F = 3, which belongs to the ground 2S1/2 state, results in a larger amplitude of the magnetic resonance than the excitation from the hyperfine level with F = 4. This result has been theoretically explained under the assumption that the spin state of the alkali atomic nucleus does not change at collision with a nitrogen molecule, which is accompanied by a nonradiative transition of the alkali atom from the excited 2P1/2 state to the ground 2S1/2 state.

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Copyright information

© Pleiades Publishing, Inc. 2018

Authors and Affiliations

  • E. N. Popov
    • 1
    Email author
  • V. A. Bobrikova
    • 1
  • S. P. Voskoboinikov
    • 1
  • K. A. Barantsev
    • 1
  • S. M. Ustinov
    • 1
  • A. N. Litvinov
    • 1
  • A. K. Vershovskii
    • 2
  • S. P. Dmitriev
    • 2
  • V. A. Kartoshkin
    • 2
  • A. S. Pazgalev
    • 2
  • M. V. Petrenko
    • 2
  1. 1.Peter the Great St. Petersburg Polytechnic UniversitySt. PetersburgRussia
  2. 2.Ioffe Physical–Technical InstituteRussian Academy of SciencesSt. PetersburgRussia

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