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Laser Cooling

Chilling dense atomic gases

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Laser-based Doppler cooling is a popular method for reducing the temperature of atoms, but it is limited to dilute gases. Now, researchers in Germany have demonstrated a laser scheme for cooling a highly dense gas mixture.

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Figure 1: The rubidium D-line transition (5s–5p) as a function of the interatomic distance between the rubidium atom and an argon atom.

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Authors and Affiliations

  1. Mansoor Sheik-Bahae and Denis Seletskiy are at the Department of Physics and Astronomy, University of New Mexico, Albuquerque, New Mexico 87131, USA.,

    Mansoor Sheik-Bahae & Denis Seletskiy

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  1. Mansoor Sheik-Bahae
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  2. Denis Seletskiy
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Correspondence to Mansoor Sheik-Bahae.

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Sheik-Bahae, M., Seletskiy, D. Chilling dense atomic gases. Nature Photon 3, 680–681 (2009). https://doi.org/10.1038/nphoton.2009.225

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