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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Editor: Henry M. Van Driel
  • Vol. 25, Iss. 3 — Mar. 1, 2008
  • pp: 334–337

Two-color photoexcitation of Rydberg states via an electric quadrupole transition

Leping Li, Quanli Gu, J. L. Knee, J. D. Wright, J. M. DiSciacca, and T. J. Morgan  »View Author Affiliations


JOSA B, Vol. 25, Issue 3, pp. 334-337 (2008)
http://dx.doi.org/10.1364/JOSAB.25.000334


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Abstract

We report the observation of an electric quadrupole transition between the 4 s [ 1 2 ] 0 o and 3 d [ 3 2 ] 2 o states in the spectrum of argon and use it in the first step of a scheme to excite Rydberg states. The initial identification of the transition is based on one-color, two-photon photoionization. A different experiment utilizing two-color, two-photon photoexcitation to Rydberg states confirms the identification. Despite the unavoidable background of one-color, two-photon photoionization, the latter experimental technique makes possible two-photon spectroscopy of Rydberg states using a resonant intermediate state populated by an electric quadrupole transition.

© 2008 Optical Society of America

OCIS Codes
(020.5780) Atomic and molecular physics : Rydberg states
(020.6580) Atomic and molecular physics : Stark effect
(300.6210) Spectroscopy : Spectroscopy, atomic
(300.6360) Spectroscopy : Spectroscopy, laser
(300.6540) Spectroscopy : Spectroscopy, ultraviolet
(300.6550) Spectroscopy : Spectroscopy, visible

ToC Category:
Spectroscopy

History
Original Manuscript: September 21, 2007
Revised Manuscript: December 26, 2007
Manuscript Accepted: January 8, 2008
Published: February 13, 2008

Citation
Leping Li, Quanli Gu, J. L. Knee, J. D. Wright, J. M. DiSciacca, and T. J. Morgan, "Two-color photoexcitation of Rydberg states via an electric quadrupole transition," J. Opt. Soc. Am. B 25, 334-337 (2008)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-25-3-334

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