Aidan S Arnold et al 2006 New J. Phys. 8 53 doi:10.1088/1367-2630/8/4/053
Double-impulse magnetic focusing of launched cold atoms
Aidan S Arnold1, Matthew J Pritchard2, David A Smith2 and Ifan G Hughes2,3
Show affiliationsWe 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.
- PACS
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37.10.Vz Mechanical effects of light on atoms, molecules, and ions
- Subjects
- Dates
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Issue 4 (April 2006)
Received 16 December 2005
Published 18 April 2006
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Double-impulse magnetic focusing of launched cold atoms
Aidan S Arnold et al 2006 New J. Phys. 8 53
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