Ion-recoil momentum spectroscopy in a laser-cooled atomic sample

Steffen Wolf and Hanspeter Helm
Phys. Rev. A 62, 043408 – Published 18 September 2000
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Abstract

We report an experiment on recoil-ion momentum spectroscopy of Rb+ ions formed by two-photon ionization of Rb2P3/2 at 790 nm. Laser-cooled atoms in a magneto-optic trap are used as the target in time-of-flight analysis of the recoil momentum. We demonstrate a resolution of 1 μeV with a limiting momentum resolution below δp=0.05 a.u. We also show the use of the photoionization technique for the characterization of cold atomic samples.

  • Received 30 May 2000

DOI:https://doi.org/10.1103/PhysRevA.62.043408

©2000 American Physical Society

Authors & Affiliations

Steffen Wolf* and Hanspeter Helm

  • Albert-Ludwigs-Universität, Fakultät für Physik, Hermann-Herder-Straße 3, D-79104 Freiburg im Breisgau, Germany

  • *Present address: Dept. of Physics, University of California, Berkeley, CA 94720.

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Vol. 62, Iss. 4 — October 2000

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