Trapping atoms on a transparent permanent-magnet atom chip

Details Trapping atoms on a transparent permanent-magnet atom chip Trapping atoms on a transparent permanent-magnet atom chip

2006-01-24

arxiv.org/abs/quant-ph/0601163v2

Physics

Quantum Physics

Modifications: A) Reference I. Barb et al., Eur. Phys. JD, 35, 75 (2005) added. B)Sentence rewritten: We routinely capture mor

Scientific paper

10.1103/PhysRevA.73.051401

We describe experiments on trapping of atoms in microscopic magneto-optical traps on an optically transparent permanent-magnet atom chip. The chip is made of magnetically hard ferrite-garnet material deposited on a dielectric substrate. The confining magnetic fields are produced by miniature magnetized patterns recorded in the film by magneto-optical techniques. We trap Rb atoms on these structures by applying three crossed pairs of counter-propagating laser beams in the conventional magneto-optical trapping (MOT) geometry. We demonstrate the flexibility of the concept in creation and in-situ modification of the trapping geometries through several experiments.

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