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A double magneto-optical trap system using a slow atomic beam for atom transfer
Author(s) -
Shuyu Zhou,
Xu Zhen,
Shanyu Zhou,
Yuzhu Wang
Publication year - 2007
Publication title -
wuli xuebao
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.199
H-Index - 47
ISSN - 1000-3290
DOI - 10.7498/aps.56.165
Subject(s) - magneto optical trap , atomic physics , rubidium , atom (system on chip) , beam (structure) , trap (plumbing) , physics , atomic beam , materials science , optics , laser , potassium , meteorology , computer science , metallurgy , embedded system
A rubidium double magneto-optical trap(MOT) system for Bose-Einstein condensation experiments has been set up. A slow atomic beam has been obtained with a low-velocity intense source (LVIS) and used to transfer atoms into an ultra-high-vacuum (UHV) MOT. By maintaining a pressure difference of 3 orders between LVIS-MOT and UHV-MOT, a lowest pressure of 1×10-9Pa can be achieved in UHV-MOT. The flux of the slow atomic beam is 1×109/s. About 4×108 87Rb atoms can be loaded into UHV-MOT. In this paper, maximum number of atoms captured in MOTs under two typical conditions have also been discussed.

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