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Laser cooling and photoionization of alkali atoms

Authors
Journal
Applied Surface Science
0169-4332
Publisher
Elsevier
Publication Date
Identifiers
DOI: 10.1016/s0169-4332(99)00459-6
Keywords
  • Laser Cooling
  • Photoionization
  • Magneto-Optical Trapping
  • Recombination
  • Alkali Atoms

Abstract

Abstract We carry out photoionization experiments on laser-cooled alkali atoms by irradiating rubidium and cesium magneto-optical traps (MOTs) with a photoionizing laser beam. Analysis of the loading behavior of the traps allows us to determine photoionization cross-sections for the first excited state of rubidium and cesium based on a trap load/loss model. In addition, our experimental findings reveal systematic peculiarities, which can be ascribed to the low temperature of the atomic samples under investigation.

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