Single-impulse magnetic focusing of launched cold atoms

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

doi:10.1088/0953-4075/37/22/004

Single-impulse magnetic focusing of launched cold atoms

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

Authors

M.J. Pritchard

A.S. Arnold

D.A. Smith

Professor Ifan Hughes i.g.hughes@durham.ac.uk
Professor

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.

Citation

Pritchard, M., Arnold, A., Smith, D., & Hughes, I. (2004). Single-impulse magnetic focusing of launched cold atoms. Journal of Physics B: Atomic, Molecular and Optical Physics, 37(22), 4435-4450. https://doi.org/10.1088/0953-4075/37/22/004

Journal Article Type	Article
Publication Date	2004-11
Deposit Date	May 7, 2008
Publicly Available Date	May 7, 2008
Journal	Journal of Physics B: Atomic, Molecular and Optical Physics
Print ISSN	0953-4075
Electronic ISSN	1361-6455
Publisher	IOP Publishing
Peer Reviewed	Peer Reviewed
Volume	37
Issue	22
Pages	4435-4450
DOI	https://doi.org/10.1088/0953-4075/37/22/004
Keywords	Current-carrying wires, Guiding neutral atoms, Cesium atoms, Floppy disk, Mirror, Optics, Laser, Trap, Manipulation, Propagation.