Phys. Rev. A 69, 030901(R) (2004) [4 pages]

Optimized magneto-optical trap for experiments with ultracold atoms near surfaces

Abstract

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S. Wildermuth, P. Krüger^*, C. Becker, M. Brajdic, S. Haupt, A. Kasper, R. Folman^†, and J. Schmiedmayer
Physikalisches Institut, Universität Heidelberg, D-69120 Heidelberg, Germany‡

Received 20 November 2003; published 17 March 2004

We present an integrated wire-based magneto-optical trap for the simplified trapping and cooling of large numbers of neutral atoms near material surfaces. With a modified U-shaped current-carrying Cu structure we collect more than 3×10⁸ ⁸⁷Rb atoms in a mirror magneto-optical trap without using quadrupole coils. These atoms are subsequently loaded to a Z-wire trap where they are evaporatively cooled to a Bose-Einstein condensate close to the surface.

URL:

http://link.aps.org/doi/10.1103/PhysRevA.69.030901

DOI:

10.1103/PhysRevA.69.030901

PACS:

32.80.Pj, 34.50.Dy, 39.25.+k

^*Electronic mail: krueger@physi.uni-heidelberg.de

^†Present address: Department of Physics, Ben Gurion University, Beer-Sheva 84105, Israel.

^‡URL: www.atomchip.org

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Phys. Rev. A 69, 030901(R) (2004) [4 pages]

Optimized magneto-optical trap for experiments with ultracold atoms near surfaces