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Double-impulse magnetic focusing of launched cold atoms

Arnold, A.S.; Pritchard, M.J.; Smith, D.A.; Hughes, I.G.

Authors

A.S. Arnold

M.J. Pritchard

D.A. Smith



Abstract

We have theoretically investigated three-dimensional focusing of a launched cloud of cold atoms using a pair of magnetic lens pulses (the alternate-gradient method). Individual lenses focus radially and defocus axially or vice versa. The performance of the two possible pulse sequences are compared and found to be ideal for loading both 'pancake' and 'sausage' shaped magnetic/optical microtraps. It is shown that focusing aberrations are considerably smaller for double-impulse magnetic lenses compared to single-impulse magnetic lenses. An analysis of clouds focused by the double-impulse technique is presented.

Citation

Arnold, A., Pritchard, M., Smith, D., & Hughes, I. (2006). Double-impulse magnetic focusing of launched cold atoms. New Journal of Physics, 8, https://doi.org/10.1088/1367-2630/8/4/053

Journal Article Type Article
Publication Date 2006-04
Deposit Date May 8, 2008
Publicly Available Date Mar 29, 2024
Journal New Journal of Physics
Publisher IOP Publishing
Peer Reviewed Peer Reviewed
Volume 8
DOI https://doi.org/10.1088/1367-2630/8/4/053
Keywords Current-carrying wires, Guiding neutral atoms, Cesium atoms, Floppydisk, Mirror, Optics, Trap, Manipulation, Reflection, Surfaces.

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