Force and diffusion measurements in sub-Doppler laser cooling

M.D. Hoogerland, H.F.P. de Bie, H.C.W. Beijerinck, K.A.H. van Leeuwen, P. van der Straten, E.J.D. Vredenbregt, H.J. Metcalf

Research output: Contribution to journalArticleAcademicpeer-review

5 Citations (Scopus)


We present the first direct measurements of the velocity dependence of the average force and diffusion constant for the metastable neon atoms in a one-dimensional σ+σ- laser cooling configuration. Force and diffusion are determined, respectively, from the deflection and broadening of a highly collimated atomic beam by its interaction with a pair of counter-running laser beams. The interaction time is much shorter than the characteristic damping time of the cooling process. The resulted force and diffusion measurements are compared with the results of both semiclassical and quantum Monte Carlo calculations.
Original languageEnglish
Pages (from-to)3332-3335
Number of pages4
JournalPhysical Review Letters
Issue number21
Publication statusPublished - 1 May 1994


  • Optical cooling of atoms
  • trapping
  • Mechanical effects of light on atoms molecules electrons and ions


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