Fluorescence polarization imaging of Sisyphus cooling in an atomic beam

B.M. Sparkes, K.P. Weber, C.J. Hawthorn, M.R. Walkiewicz, E.J.D. Vredenbregt, R.E. Scholten

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Sisyphus cooling plays an important role in many cold atom applications including the formation of BoseEinstein condensates and collimation of atomic beams. Here we present a method for measuring the localization of atoms by monitoring the polarization of fluorescence, providing a quantitative two-dimensional image of the cooling process. We outline the concept and provide theoretical models for the optical pumping, cooling, and channeling mechanisms, and present experimental data revealing the development of strong fluorescence polarization in an atomic beam during transverse (lin ¿ lin) cooling.
Original languageEnglish
Article number023411
Pages (from-to)023411-1-1/11
Number of pages11
JournalPhysical Review A: Atomic, Molecular and Optical Physics
Publication statusPublished - 2015


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