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Optics Letters

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  • Vol. 23, Iss. 11 — Jun. 1, 1998
  • pp: 840–842

Temperature diagnostics for cold sodium atoms by transient four-wave mixing

Masaharu Mitsunaga, Makoto Yamashita, Masato Koashi, and Nobuyuki Imoto  »View Author Affiliations


Optics Letters, Vol. 23, Issue 11, pp. 840-842 (1998)
http://dx.doi.org/10.1364/OL.23.000840


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Abstract

Transient four-wave mixing signals were observed in cold sodium atoms. This phenomenon is interpreted as Bragg diffraction of a probe pulse by a population grating of the ground-state hyperfine level induced by pump pulses. The decay time of this grating is directly related to the temperature of the cold atoms and can serve as a novel technique for temperature diagnostics.

© 1998 Optical Society of America

OCIS Codes
(020.7010) Atomic and molecular physics : Laser trapping
(190.4380) Nonlinear optics : Nonlinear optics, four-wave mixing
(300.6290) Spectroscopy : Spectroscopy, four-wave mixing

Citation
Masaharu Mitsunaga, Makoto Yamashita, Masato Koashi, and Nobuyuki Imoto, "Temperature diagnostics for cold sodium atoms by transient four-wave mixing," Opt. Lett. 23, 840-842 (1998)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-23-11-840

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