The focusing and collimation effects of Cold atomic clouds passing through a Gaussian beam

Details The focusing and collimation effects of Cold atomic clouds passing through a Gaussian beam The focusing and collimation effects of Cold atomic clouds passing through a Gaussian beam

2011-08-16

arxiv.org/abs/1108.3144v1

Physics

Quantum Physics

8 pages,7 figures

Scientific paper

We have demonstrated an atom-optical lens, with the advantage of a small scale and flexible adjustment of the parameters, created by far red-detuned Gaussian laser beam perpendicular to the propagation direction of the cold atomic cloud. This work presents the focusing and collimation effect of a cold atomic cloud, with uniform translational velocity and with vanishing initial translational velocity in gravity respectively, by the atom-optical lens. The object-image relation, focal length and the collimation effect of the atom-optical lens have been analyzed both theoretically and experimentally.

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