Picture of a sphere with binary code

Making Strathclyde research discoverable to the world...

The Strathprints institutional repository is a digital archive of University of Strathclyde research outputs. It exposes Strathclyde's world leading Open Access research to many of the world's leading resource discovery tools, and from there onto the screens of researchers around the world.

Explore Strathclyde Open Access research content

Transport of launched cold atoms with a laser guide and pulsed magnetic fields

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 (Decemb). pp. 1-21. ISSN 1367-2630

Full text not available in this repository. (Request a copy from the Strathclyde author)

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.