A Proposal for Realizing BEC of 133Cs Atoms in Blue-Detuned Ar+ Hollow-Beam Trap

  • Jianping Yin
  • Weijian Gao
  • Yiqiu Wang
Conference paper


We propose an all-optically-cooled and -trapped Cs BEC scheme, which is composed of a pyramidal-hollow-beam gravito-optical trap (PHB GOT) from a diode laser and a conical-hollow-beam (CHB) GOT from an Ar+ laser. In the PHB GOT, the cold atoms experience an efficient hollow-beam induced Sisyphus cooling and repumpimg-beam induced geometric cooling, and they will be cooled to a few photon-recoil limits from MOT’s temperature (~60 μK). Whereas in the Ar+ hollow-laser-beam trap, cold atoms will be further cooled by Raman cooling and compressed by a blue-detuned cover beam. We have performed Monte-Carlo simulations for PHB cooling process, calculated the optical potential for 133Cs atoms in Ar+ hollow laser beam, and estimated total atomic loss and density. Our study shows that an optically-trapped Bose-Einstein condensation (BEC) of 133Cs atoms may be observed in our all-optical dipole trap.


Cold Atom Magnetic Trap Trapping Potential Dipole Trap Atomic Sample 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.


Unable to display preview. Download preview PDF.

Unable to display preview. Download preview PDF.


  1. 1.
    M. H. Anderson, et al, Science, 269, 198 (1995)ADSCrossRefGoogle Scholar
  2. 2.
    D. M. Stamper-Kurn, et al, Phys. Rev. Lett., 80, 2027 (1998)ADSCrossRefGoogle Scholar
  3. 3.
    Jianping Yin, et al, Phys. Rev. A, 57, 1957 (1998)CrossRefGoogle Scholar
  4. 4.
    N. Davidson, et al, Phys. Rev. Lett., 74, 1311 (1995)ADSCrossRefGoogle Scholar
  5. 5.
    H. J. Lee, et al, Phys. Rev. Lett., 76, 2658 (1996)ADSCrossRefGoogle Scholar
  6. 6.
    Jianping Yin, et al, Opt. Commun., 152, 421 (1998)CrossRefGoogle Scholar

Copyright information

© Springer-Verlag Berlin Heidelberg 2000

Authors and Affiliations

  • Jianping Yin
    • 1
    • 2
  • Weijian Gao
    • 1
    • 2
  • Yiqiu Wang
    • 3
  1. 1.Department of PhysicsSuzhou University SuzhouJiangsuP. R China
  2. 2.Department of ElectronicsPeking University BeijingP. R. China
  3. 3.Université Department of ElectronicsPeking University BeijingP. R. China

Personalised recommendations