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Applied Optics

Applied Optics


  • Editor: Joseph N. Mait
  • Vol. 48, Iss. 6 — Feb. 20, 2009
  • pp: 1098–1103

High-contrast dark resonances with linearly polarized light on the D 1 line of alkali atoms with large nuclear spin

Ken-ichi Watabe, Takeshi Ikegami, Akifumi Takamizawa, Shinya Yanagimachi, Shin-ichi Ohshima, and Svenja Knappe  »View Author Affiliations

Applied Optics, Vol. 48, Issue 6, pp. 1098-1103 (2009)

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High-contrast coherent population trapping signals were observed on the Cs D 1 line by use of a bichromatic linear polarized light ( lin lin field). A maximum absorption contrast of about 10% was obtained. This was nearly twice as high as that measured with the standard configuration of bichromatic circularly polarized light ( σ σ field). The results are compared with density matrix calculations of 4 and 5 level systems.

© 2009 Optical Society of America

OCIS Codes
(020.1670) Atomic and molecular physics : Coherent optical effects
(120.4820) Instrumentation, measurement, and metrology : Optical systems
(300.6360) Spectroscopy : Spectroscopy, laser

ToC Category:
Instrumentation, Measurement, and Metrology

Original Manuscript: June 19, 2008
Revised Manuscript: November 14, 2008
Manuscript Accepted: January 15, 2009
Published: February 13, 2009

Ken-ichi Watabe, Takeshi Ikegami, Akifumi Takamizawa, Shinya Yanagimachi, Shin-ichi Ohshima, and Svenja Knappe, "High-contrast dark resonances with linearly polarized light on the D1 line of alkali atoms with large nuclear spin," Appl. Opt. 48, 1098-1103 (2009)

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