Abstract
A Fourier optics approach can be a concise and powerful tool to solve problems in
atom optics. In this report, we adopt it to investigate the kinetic behavior of cold
atoms passing through a far red-detuned Gaussian beam. We demonstrate that the
aberration has significant influence on the evolution of the atomic cloud, which is
rooted in the deviation of the Gaussian profile from the quadratic form. In particular,
we observe an intriguing effect analogous to Fresnel’s double prism with cold atoms. The
experimental results are in good agreement with the numerical simulation.
© 2016 Chinese Laser Press
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