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Proceedings Paper

Single-ion spectroscopy
Author(s): James C. Bergquist; David J. Wineland; Wayne M. Itano; F. Diedrich; M. G. Raizen; Frank Elsner
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Paper Abstract

Spectroscopy of ions in electromagnetic traps using laser-cooling and detection has reached a sensitivity where it is now possible to unambiguously monitor state changes in a single ion. While these techniques may not be generally applicable, the sensitivity and precision that is obtained for laser-cooled ions give broad opportunities for experiments in many areas of fundamental physics and-high resolution spectroscopy. In this paper, the authors describe two experiments with a single laser-cooled Hg+ ion. In one they achieve the highest fractional resolution (highest Q) in atomic or molecular spectroscopy, and in the second they cool the ion to its zero-point energy.

Paper Details

Date Published: 1 July 1991
PDF: 4 pages
Proc. SPIE 1435, Optical Methods for Ultrasensitive Detection and Analysis: Techniques and Applications, (1 July 1991); doi: 10.1117/12.44233
Show Author Affiliations
James C. Bergquist, National Institute of Standards and Technology (United States)
David J. Wineland, National Institute of Standards and Technology (United States)
Wayne M. Itano, National Institute of Standards and Technology (United States)
F. Diedrich, National Institute of Standards and Technology (Germany)
M. G. Raizen, National Institute of Standards and Technology (United States)
Frank Elsner, National Institute of Standards and Technology (Germany)


Published in SPIE Proceedings Vol. 1435:
Optical Methods for Ultrasensitive Detection and Analysis: Techniques and Applications
Bryan L. Fearey, Editor(s)

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