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Phys. Rev. A 71, 063619 (2005) [8 pages]

Combined chips for atom optics

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A. Günther1 *, M. Kemmler1, S. Kraft1, C. J. Vale2, C. Zimmermann1, and J. Fortágh1
1Physikalisches Institut der Universität Tübingen, Auf der Morgenstelle 14, D-72076 Tübingen, Germany
2School of Physical Sciences, University of Queensland, Brisbane, Queensland 4072, Australia

Received 24 February 2005; published 30 June 2005

We present experiments with Bose-Einstein condensates on a combined atom chip. The combined structure consists of a large-scale “carrier chip” and smaller “atom-optics chips,” containing micron-sized elements. This allows us to work with condensates very close to chip surfaces without suffering from fragmentation or losses due to thermally driven spin flips. Precise three-dimensional positioning and transport with constant trap frequencies are described. Bose-Einstein condensates were manipulated with submicron accuracy above atom-optics chips. As an application of atom chips, a direction sensitive magnetic-field microscope is demonstrated.


©2005 The American Physical Society

URL: http://link.aps.org/doi/10.1103/PhysRevA.71.063619
DOI: 10.1103/PhysRevA.71.063619
PACS: 03.75.Be, 03.75.Kk, 03.75.Lm, 34.50.Dy

* URL: http:∕∕www.pit.physik.uni-tuebingen.de∕zimmermann∕; electronic address: aguenth@pit.physik.uni-tuebingen.de

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