Volume 43, Number 5, September I 1998
|Page(s)||510 - 515|
|Section||Atomic, molecular and optical physics|
|Published online||01 September 2002|
Gravito-optical atom trap based on a conical hollow beam
Max-Planck-Institut für Kernphysik - 69029 Heidelberg, Germany
Accepted: 8 July 1998
We demonstrate a novel optical dipole-force trap, which uses an intense blue-detuned conical hollow laser beam together with gravity to confine an ensemble of cesium atoms in a dark spatial region. Efficient cooling is provided by a 3D optical molasses in combination with inelastic reflections from the trapping field. The particular advantages of the trap are its experimental simplicity, the high loading efficiency, and a strong suppression of losses caused by ultracold collisions.
PACS: 32.80.Pj – Optical cooling of atoms; trapping
© EDP Sciences, 1998
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