A hexapole-compensated magneto-optical trap on a mesoscopic atom chip

Details A hexapole-compensated magneto-optical trap on a mesoscopic atom chip A hexapole-compensated magneto-optical trap on a mesoscopic atom chip

2010-12-20

arxiv.org/abs/1012.4321v1

Phys. Rev. A 83, 043406 (2011)

Physics

Condensed Matter

Quantum Gases

8 pages, 9 figures

Scientific paper

10.1103/PhysRevA.83.043406

Magneto-optical traps on atom chips are usually restricted to small atomic samples due to a limited capture volume caused primarily by distorted field configurations. Here we present a magneto-optical trap with minimized distortions based on a mesoscopic wire structure which provides a loading rate of 8.4 10^10 atoms/s and a maximum number of 8.7 10^9 captured atoms. The wire structure is placed outside of the vacuum to enable a further adaptation to new scientific objectives. Since all magnetic fields are applied locally without the need for external bias fields, the presented setup will facilitate parallel generation of Bose-Einstein condensates on a conveyor belt with a cycle rate above 1 Hz.

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