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Single-impulse magnetic focusing of launched cold atoms

Pritchard, M.J. and Arnold, A.S. and Smith, D.A. and Hughes, I.G. (2004) Single-impulse magnetic focusing of launched cold atoms. Journal of Physics B: Atomic, Molecular and Optical Physics, 37 (22). pp. 4435-4450. ISSN 0953-4075

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Abstract

We have theoretically investigated the focusing of a launched cloud of cold atoms. Time-dependent spatially-varying magnetic fields are used to impart impulses leading to a three-dimensional focus of the launched cloud. We discuss possible coil arrangements for a new focusing regime: isotropic 3D focusing of atoms with a single-impulse magnetic lens. We investigate focusing aberrations and find that, for typical experimental parameters, the widely used assumption of a purely harmonic lens is often inaccurate. The baseball lens offers the best possibility for isotropically focusing a cloud of weak-field-seeking atoms in 3D.

Item type: Article
ID code: 2867
Keywords: cold atoms, magnetic fields, lens, photonics, optics, Optics. Light, Physics, Atomic and Molecular Physics, and Optics, Condensed Matter Physics
Subjects: Science > Physics > Optics. Light
Science > Physics
Department: Faculty of Science > Physics
Related URLs:
Depositing user: Mr Derek Boyle
Date Deposited: 01 Jul 2008
Last modified: 04 Sep 2014 12:53
URI: http://strathprints.strath.ac.uk/id/eprint/2867

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