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Quantitative Study of Laser Cooling in a Penning Trap

  • W. M. Itano
  • L. R. Brewer
  • D. J. Larson
  • J. J. Bollinger
  • S. L. Gilbert
  • D. J. Wineland
Conference paper

Abstract

Penning traps are currently being studied at our laboratory [1,2] and elsewhere [3,4] for use in atomic frequency standards. A Penning trap confines ions by a combination of a static, uniform magnetic field and a static, nonuniform electric field. The fact that the fields are static makes it feasible to laser cool more than 104 ions to low temperatures [5]. In contrast, the radio-frequency (Paul) ion trap uses oscillating electric fields, which, in combination with the non­linear Coulomb coupling between ions, cause heating and make it difficult to laser cool large numbers of ions [6]. For either trap, large numbers increase the signal-to-noise ratio; low temperatures reduce the second-order Doppler shift [7].

Keywords

Laser Beam Rotation Frequency Radial Displacement Uniform Magnetic Field Magnetic Field Axis 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

References

  1. 1.
    J.J. Bollinger et al.: Phys. Rev. Lett. 54, 1000 (1985)CrossRefADSGoogle Scholar
  2. 2.
    J.J. Bollinger et al.: these ProceedingsGoogle Scholar
  3. 3.
    R.C. Thompson et al.: Opt. Acta 33, 535 (1986)CrossRefADSGoogle Scholar
  4. R.C. Thompson et al.: Appl. Phys. B 46, 87 (1988)CrossRefADSGoogle Scholar
  5. 4.
    F. Plumelle et al.: Appl. Phys. B 41, 183 (1986)CrossRefADSGoogle Scholar
  6. 5.
    L.R. Brewer et al.: Phys. Rev. A 38, 859 (1988)CrossRefADSGoogle Scholar
  7. 6.
    J. Hoffnagle et al.: Phys. Rev. Lett. 60, 2022 (1988)CrossRefGoogle Scholar
  8. R. Bliimel et al.: Nature, 334, 309 (1988)CrossRefADSGoogle Scholar
  9. 7.
    D.J. Wineland et al.: these ProceedingsGoogle Scholar
  10. 8.
    R.E. Drullinger, D.J. Wineland, and J.C. Bergquist: Appl. Phys. 22, 365 (1980)CrossRefADSGoogle Scholar
  11. 9.
    W.M. Itano and D.J. Wineland: Phys. Rev. A 25, 35 (1982)CrossRefADSGoogle Scholar
  12. 10.
    W.M. Itano et al.: Phys. Rev. A (in press)Google Scholar
  13. 11.
    J. Yu, M. Desaintfuscien, and F. Plumelle: (submitted to Appl. Phys. B)Google Scholar

Copyright information

© Springer-Verlag Berlin, Heidelberg 1989

Authors and Affiliations

  • W. M. Itano
    • 1
  • L. R. Brewer
    • 1
  • D. J. Larson
    • 1
  • J. J. Bollinger
    • 1
  • S. L. Gilbert
    • 1
  • D. J. Wineland
    • 1
  1. 1.National Institute of Standards and TechnologyBoulderUSA

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