Chinese Optics Letters, Volume. 8, Issue 4, 351(2010)

Evaporative cooling rubidium atoms with microwave radiation

Dezhi Xiong, Pengjun Wang, Haixia Chen, and Jing Zhang
Author Affiliations
  • State Key Laboratory of Quantum Optics and Quantum Optics Devices, Institute of Opto-Electronics, Shanxi University, Taiyuan 030006, China
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    We report the experimental achievement of <sup>87</sup>Rb Bose-Einstein condensation in a magnetic trap with microwave and radio frequency (RF) induced evaporation. Evaporative cooling is realized by using 6.8 GHz microwave radiation driving the <sup>87</sup>Rb atoms to transit from the ground-state hyperfine state |F = 2,mF =2> to |F = 1,mF = 1>. Compared with RF-induced evaporation, <sup>87</sup>Rb atoms are hardly to achieve pure condensate by microwave evaporation cooling due to the effect of atoms in the |F = 1,mF = 1> state being pumped back into the trapping |F = 2,mF = 1> state.

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    Dezhi Xiong, Pengjun Wang, Haixia Chen, Jing Zhang, "Evaporative cooling rubidium atoms with microwave radiation," Chin. Opt. Lett. 8, 351 (2010)

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    Paper Information

    Received: Aug. 11, 2009

    Accepted: --

    Published Online: Apr. 20, 2010

    The Author Email:

    DOI:10.3788/COL20100804.0351

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