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Stuttgart 2012 – scientific programme

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Q: Fachverband Quantenoptik und Photonik

Q 60: Materiewellen und Technologie

Q 60.3: Talk

Friday, March 16, 2012, 11:00–11:15, V53.01

Compact atom chip based source of ultra-cold atoms with high fluxWaldemar Herr1, •Manuel Popp1, Ernst Maria Rasel1, and the QUANTUS-TEAM2,3,4,5,6,7,8,91Institut für Quantenoptik, LU Hannover — 2ZARM, Universität Bremen — 3Institut für Physik, HU Berlin — 4Institut für Laser-Physik, Universität Hamburg — 5Institut für Quantenphysik, Universität Ulm — 6Institut für angewandte Physik, TU Darmstadt — 7MUARC, University of Birmingham — 8FBH, Berlin — 9MPQ, Garching

Atom chips enable compact and robust apparatuses for matter-wave interferometry and condensed matter physics. Usually these setups are limited in the total number and the flux of atoms. In this talk we present the QUANTUS-II apparatus, which uses a combination of a chip-based atom trap with a pre-cooling stage. This apparatus allows to collect >3·109 atoms within 3 seconds in a mesoscopic chip MOT. This is an excellent starting point towards the realisation of a high precision matter-wave interferometer.

The QUANTUS project is supported by the German Space Agency DLR with funds provided by the Federal Ministry of Economics and Technology (BMWi) under grant number DLR 50WM1131.

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