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Optimized loading of an optical dipole trap for the production of Chromium BECs

Bismut, G. and Pasquiou, B. and Ciampini, D. and Laburthe-Tolra, B. and Marechal, E. and Vernac, L. and Gorceix, O. (2011) Optimized loading of an optical dipole trap for the production of Chromium BECs. Applied Physics B, 102 (1). pp. 1-9. ISSN 1432-0649

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Abstract

We report on a strategy to maximize the number of chromium atoms transferred from a magneto-optical trap into an optical trap through accumulation in metastable states via strong optical pumping. We analyse how the number of atoms in a chromium Bose Einstein condensate can be raised by a proper handling of the metastable state populations. Four laser diodes have been implemented to address the four levels that are populated during the MOT phase. The individual importance of each state is specified. To stabilize two of our laser diode, we have developed a simple ultrastable passive reference cavity whose long term stability is better than 1 MHz.

Item Type: Article
Additional Information: Imported from arXiv
Subjects: Area02 - Scienze fisiche > FIS/03 - Fisica della materia
Divisions: Dipartimenti (until 2012) > DIPARTIMENTO DI FISICA " E. FERMI"
Depositing User: dott.ssa Sandra Faita
Date Deposited: 08 Apr 2015 11:16
Last Modified: 08 Apr 2015 11:16
URI: http://eprints.adm.unipi.it/id/eprint/1362

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