Abstract

We present an omnidirectional matter waveguide on an atom chip. The guide is based on a combination of two current-carrying wires and a bias field pointing perpendicular to the chip surface. Thermal atoms are guided for more than two complete turns along a 25-mm-long spiral path (with curve radii as short as 200 µm) at various atom-surface distances (35450 µm). An extension of the scheme for the guiding of Bose–Einstein condensates is outlined.

© 2004 Optical Society of America

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