Pritchard, Matthew J. and Arnold, Aidan S. and Cornish, Simon L. and Hallwood, David W. and Pleasant, Chris V.S. and Hughes, Ifan G. (2006) 'Transport of launched cold atoms with a laser guide and pulsed magnetic fields.', New journal of physics., 8 . p. 309.
We propose the novel combination of a laser guide and magnetic lens to transport a cold atomic cloud. We have modelled the loading and guiding of a launched cloud of cold atoms with the optical dipole force. We discuss the optimum strategy for loading typically 30% of the atoms from a magneto-optical trap (MOT) and guiding them vertically through 22 cm. However, although the atoms are tightly confined transversely, thermal expansion in the propagation direction still results in a density loss of two orders of magnitude. By combining the laser guide with a single impulse from a magnetic lens we show one can actually increase the density of the guided atoms by a factor of 10.
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|Publisher Web site:||https://doi.org/10.1088/1367-2630/8/12/309|
|Publisher statement:||This article is available under a the Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported (CC BY-NC-SA version 3.0) licence.|
|Date accepted:||No date available|
|Date deposited:||18 May 2017|
|Date of first online publication:||07 December 2006|
|Date first made open access:||No date available|
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