Bimodal speed distributions in laser-cooled atoms

Y. Shevy, David Scott Weiss, P. J. Ungar, Steven Chu

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Abstract

We report a bimodal speed distribution for sodium atoms cooled in optical molasses. The temperatures of the two velocity groups differ in their dependence on laser detuning, sensitivity to beam misalignment and imbalance, polarization, and the presence of static magnetic fields. We believe that this behavior is evidence for two distinct cooling mechanisms.

Original languageEnglish (US)
Pages (from-to)1118-1121
Number of pages4
JournalPhysical Review Letters
Volume62
Issue number10
DOIs
Publication statusPublished - Jan 1 1989

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All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

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