Phys. Rev. A 72, 043409 (2005) [4 pages]Laser cooling in an optical lattice that employs Raman transitionsReceived 7 April 2005; published 28 October 2005 We demonstrate laser cooling in an optical lattice that employs Raman transitions. Four laser beams with different frequencies form a one-dimensional lattice with a basic lattice period that is a factor of 2 less than in standard optical lattices. Rb atoms are cooled to 8 μK. We measure the intensity- and detuning-dependence of the cooling mechanism. Our experimental results agree well with theoretical models. © 2005 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevA.72.043409
DOI:
10.1103/PhysRevA.72.043409
PACS:
32.80.Pj, 33.80.Wz
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