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.
Abstract
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.
| Item Type: | Article |
|---|---|
| Full text: | (VoR) Version of Record Available under License - Creative Commons Attribution Non-commercial Share Alike. Download PDF (1128Kb) |
| Status: | Peer-reviewed |
| 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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