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Compact high-flux source of cold sodium atoms

  Articoli su Riviste JCR/ISI  (anno 2013)

Autori:  Lamporesi G., Donadello S., Serafini S., Ferrari G

Affiliazione Autori:  Dipartimento di Fisica, Università di Trento and INO-CNR BEC Center, I-38123 Povo, Italy

Riassunto:  We present a compact source of cold sodium atoms suitable for the production of quantum degenerate gases and versatile for a multi-species experiment. The magnetic field produced by permanent magnets allows to simultaneously realize a Zeeman slower and a two-dimensional magneto-optical trap (MOT) within an order of magnitude smaller length than standard sodium sources. We achieve an atomic flux exceeding 4 x 10(9) atoms/s loaded in a MOT, with a most probable longitudinal velocity of 20 m/s, and a brightness larger than 2.5 x 10(12) atoms/s/sr. This atomic source allows us to produce pure Bose-Einstein condensates with more than 10(7) atoms and a background pressure limited lifetime of 5 min. (C) 2013 AIP Publishing LLC.

Rivista/Giornale:  REVIEW OF SCIENTIFIC INSTRUMENTS
Volume n.:  84 (6)      Pagine da: 063102  a: 063102
Ulteriori informazioni:  The authors thank R. Graziola, M. Tomasi, and the Electronic&Engineering Service of the University of Trento for the valuable and effective support provided during the activation of our laboratory. We also acknowledge fruitful discussions with M. Prevedelli and F. Schreck, the support of the whole BEC Center in Trento and the collaborative exchange with the Quantum Degenerate Gases group at LENS in Florence. This work was financially supported by Provincia Autonoma di Trento.
DOI: 10.1063/1.4808375

*Impact Factor della Rivista: (2013) 1.584   *Citazioni: 18
data tratti da "WEB OF SCIENCE" (marchio registrato di Thomson Reuters) ed aggiornati a:  19/05/2019

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