Fast compression of a cold atomic cloud using a blue-detuned crossed dipole trap

Tom Bienaimé, Giovanni Barontini, Laure Mercier de Lépinay, Louis Bellando, Julien Chabé, and Robin Kaiser
Phys. Rev. A 86, 053412 – Published 19 November 2012

Abstract

We present the experimental realization of a compressible blue-detuned crossed dipole trap for cold atoms allowing for fast dynamical compression (5–10 ms) of 5×107 rubidium atoms up to densities of 1013cm3. The dipole trap consists of two intersecting tubes of blue-detuned laser light. These tubes are formed using a single, rapidly rotating laser beam which, for sufficiently fast rotation frequencies, can be accurately described by a quasistatic potential. The atomic cloud is compressed by dynamically reducing the trap volume, leading to densities close to the Ioffe-Regel criterion for light localization.

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  • Received 4 July 2012

DOI:https://doi.org/10.1103/PhysRevA.86.053412

©2012 American Physical Society

Authors & Affiliations

Tom Bienaimé*, Giovanni Barontini, Laure Mercier de Lépinay, Louis Bellando, Julien Chabé, and Robin Kaiser

  • Université de Nice Sophia Antipolis, CNRS, Institut Non-Linéaire de Nice, UMR 7335, F-06560 Valbonne, France

  • *Present address: Niels Bohr Institute, University of Copenhagen, Blegdamsvej 17, DK-2100 Copenhagen, Denmark.
  • Present address: Research Center OPTIMAS, Technische Universität Kaiserslautern, DE-67663 Kaiserslautern, Germany.

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Issue

Vol. 86, Iss. 5 — November 2012

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