A vortex-force atom trap

This Letter reports the invention of a new type of optical atom trap, which we call a vortex trap. The vortex-force trapping mechanism allows stable trapping with spontaneous forces required in only one or two dimensions. We achieve performance comparable to the conventional Zeeman-shift optical tra...

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Bibliographic Details
Published in:Physics letters. A 1992-03, Vol.163 (4), p.309-312
Main Authors: Walker, T., Hoffmann, D., Feng, P., Williamson, R.S.
Format: Article
Language:English
Subjects:
Atomic and molecular physics
Atomic properties and interactions with photons
Exact sciences and technology
Photon interactions with atoms
Physics
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Summary:This Letter reports the invention of a new type of optical atom trap, which we call a vortex trap. The vortex-force trapping mechanism allows stable trapping with spontaneous forces required in only one or two dimensions. We achieve performance comparable to the conventional Zeeman-shift optical trap. Possible applications include the production of a spin-polarized cloud of trapped atoms and the extension of one-dimensional trapping schemes to three-dimensional traps.
ISSN:0375-9601
1873-2429
DOI:10.1016/0375-9601(92)91017-L