-laser optical lattice with cold rubidium atoms
Physical Review A, 1998•APS
Laser-cooled rubidium atoms have been trapped in a nondissipative optical lattice with a
large lattice constant. The lattice potential is generated by the ac Stark shift in an infrared
standing wave near 10.6 μ m. The atoms are confined in steep potential wells with a
periodicity of several micrometers. By modulating the potential depth we parametrically
excite the atoms and measure their vibrational frequencies.
large lattice constant. The lattice potential is generated by the ac Stark shift in an infrared
standing wave near 10.6 μ m. The atoms are confined in steep potential wells with a
periodicity of several micrometers. By modulating the potential depth we parametrically
excite the atoms and measure their vibrational frequencies.
Abstract
Laser-cooled rubidium atoms have been trapped in a nondissipative optical lattice with a large lattice constant. The lattice potential is generated by the ac Stark shift in an infrared standing wave near 10.6 μ m. The atoms are confined in steep potential wells with a periodicity of several micrometers. By modulating the potential depth we parametrically excite the atoms and measure their vibrational frequencies.
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