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Journal of the Optical Society of America B

Journal of the Optical Society of America B


  • Editor: Henry M. Van Driel
  • Vol. 25, Iss. 12 — Dec. 1, 2008
  • pp: 2101–2106

A comparison of the dependence of saturated absorption signals on pump beam diameter and intensity

Geol Moon and Heung-Ryoul Noh  »View Author Affiliations

JOSA B, Vol. 25, Issue 12, pp. 2101-2106 (2008)

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We studied the nonstationary phenomena for the saturated absorption spectra peaks of the Rb 87 D 2 line by varying the diameter and the intensity of a pump laser beam. We found that the dependence of the magnitude of the signals on the variation of the beam diameter was almost equivalent to that of the pump beam intensity both experimentally and theoretically. However, we observed that the signals for the cycling transition line F g = 2 F e = 3 were different from each other, which could be explained by the saturation effect. We compared the experimental results with theoretical calculations based on the rate equation model. We observed good agreement between them.

© 2008 Optical Society of America

OCIS Codes
(300.6210) Spectroscopy : Spectroscopy, atomic
(300.6460) Spectroscopy : Spectroscopy, saturation

ToC Category:

Original Manuscript: August 26, 2008
Revised Manuscript: October 14, 2008
Manuscript Accepted: October 15, 2008
Published: November 24, 2008

Geol Moon and Heung-Ryoul Noh, "A comparison of the dependence of saturated absorption signals on pump beam diameter and intensity," J. Opt. Soc. Am. B 25, 2101-2106 (2008)

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