Suppression of inhomogeneous broadening in rf spectroscopy of optically trapped atoms

Details Suppression of inhomogeneous broadening in rf spectroscopy of optically trapped atoms Suppression of inhomogeneous broadening in rf spectroscopy of optically trapped atoms

2002-04-28

arxiv.org/abs/physics/0204082v1

Physics

Atomic Physics

Scientific paper

10.1103/PhysRevA.66.045401

We present a novel method for reducing the inhomogeneous frequency broadening in the hyperfine splitting of the ground state of optically trapped atoms. This reduction is achieved by the addition of a weak light field, spatially mode-matched with the trapping field and whose frequency is tuned in-between the two hyperfine levels. We experimentally demonstrate the new scheme with Rb 85 atoms, and report a 50-fold narrowing of the rf spectrum.

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