Laser-Cooled-Atomic Frequency Standard

J. J. Bollinger, J. D. Prestage, Wayne M. Itano, and D. J. Wineland
Phys. Rev. Lett. 54, 1000 – Published 11 March 1985
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Abstract

The first frequency standard based on laser-cooled atoms is reported. Beryllium atomic ions were stored in a Penning trap and cooled by radiation pressure from a laser. The frequency of the Be+9 (MI, MJ)=(32, +12)(12, +12) ground-state hyperfine transition at its magnetic-field-independent point was determined to be 303 016 377.265 070 (57) Hz. The accuracy of a frequency standard referenced to this transition was comparable to the best frequency standards, which are based on cesium atomic beams.

  • Received 5 December 1984

DOI:https://doi.org/10.1103/PhysRevLett.54.1000

©1985 American Physical Society

Authors & Affiliations

J. J. Bollinger, J. D. Prestage, Wayne M. Itano, and D. J. Wineland

  • Time and Frequency Division, National Bureau of Standards, Boulder, Colorado 80303

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Issue

Vol. 54, Iss. 10 — 11 March 1985

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