Laser Spectroscopy on Forbidden Transitions in Trapped Highly Charged Ar13+ Ions

V. Mäckel, R. Klawitter, G. Brenner, J. R. Crespo López-Urrutia, and J. Ullrich
Phys. Rev. Lett. 107, 143002 – Published 27 September 2011; Erratum Phys. Rev. Lett. 108, 079902 (2012)

Abstract

We demonstrate resonant fluorescence laser spectroscopy in highly charged ions (HCI) stored in an electron beam ion trap by investigating the dipole-forbidden 1s22s22p P3/22P1/22 transition in boronlike Ar13+ ions. Forced evaporative cooling yielded a high resolving power, resulting in an accurate wavelength determination to λ=441.25568(26)nm. By applying stronger cooling and two-photon excitation, new optical frequency standards based upon ultrastable transitions in such HCI could be realized in the future, e.g., for the search of time variations of the fine-structure constant.

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  • Received 16 July 2011
  • Corrected 8 February 2012

DOI:https://doi.org/10.1103/PhysRevLett.107.143002

© 2011 American Physical Society

Corrections

8 February 2012

Erratum

Publisher’s Note: Laser Spectroscopy on Forbidden Transitions in Trapped Highly Charged Ar13+ Ions [Phys. Rev. Lett. 107, 143002 (2011)]

V. Mäckel, R. Klawitter, G. Brenner, J. R. Crespo Lopez-Urrutia, and J. Ullrich
Phys. Rev. Lett. 108, 079902 (2012)

Authors & Affiliations

V. Mäckel*, R. Klawitter, G. Brenner, J. R. Crespo López-Urrutia, and J. Ullrich

  • Max-Planck-Institut für Kernphysik, Saupfercheckweg 1, 69117 Heidelberg, Germany

  • *maeckel@mpi-hd.mpg.de

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Issue

Vol. 107, Iss. 14 — 30 September 2011

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