Propagation of cold atoms along a miniature magnetic guide

Propagation of cold atoms along a miniature magnetic guide

A cloud of laser-cooled 85Rb atoms is coupled through a magnetic funnel into a miniature waveguide formed by four current-carrying wires embedded in a silica fiber. The atom cloud has a ~100 µm radius within the fiber and propagates over cm distances. We study the coupling, propagation, and transver...

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Bibliographic Details
Main Authors: Key, M. (Author), Hughes, I.G (Author), Rooijakkers, W. (Author), Sauer, B.E (Author), Hinds, E.A (Author), Richardson, D.J (Author), Kazansky, P.G (Author)
Format: Article
Language:English
Published: 2000-02-14.
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Summary:A cloud of laser-cooled 85Rb atoms is coupled through a magnetic funnel into a miniature waveguide formed by four current-carrying wires embedded in a silica fiber. The atom cloud has a ~100 µm radius within the fiber and propagates over cm distances. We study the coupling, propagation, and transverse distribution of atoms in the fiber, and find good agreement with theory. This prototype demonstrates the feasibility of miniature guides as a tool in the new field of integrated atom optics, leading to single-mode propagation of de Broglie waves and the possible preparation of 1D atom clouds.

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