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Optics Letters

Optics Letters


  • Editor: Alan E. Willner
  • Vol. 37, Iss. 10 — May. 15, 2012
  • pp: 1637–1639

Temperature dependence of Rb 5P fine-structure transfer induced by He 4 collisions

M. A. Gearba, J. F. Sell, B. M. Patterson, R. Lloyd, J. Plyler, and R. J. Knize  »View Author Affiliations

Optics Letters, Vol. 37, Issue 10, pp. 1637-1639 (2012)

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Employing ultrafast laser excitation and time-correlated single-photon counting, we have measured the fine-structure transfer between Rb 5P states induced by collisions with He 4 buffer gas at temperatures up to 150 °C. The temperature dependence of the binary cross section agrees with earlier measurements. Our data show that the temperature dependence of the three-body rate is about the same as that of the binary rate. The three-body rate can be described as arising from the reduction of the rubidium fine-structure splitting due to nearby helium atoms.

© 2012 Optical Society of America

OCIS Codes
(020.2070) Atomic and molecular physics : Effects of collisions
(140.1340) Lasers and laser optics : Atomic gas lasers
(300.2530) Spectroscopy : Fluorescence, laser-induced
(300.6500) Spectroscopy : Spectroscopy, time-resolved

ToC Category:

Original Manuscript: December 19, 2011
Revised Manuscript: March 14, 2012
Manuscript Accepted: March 21, 2012
Published: May 9, 2012

M. A. Gearba, J. F. Sell, B. M. Patterson, R. Lloyd, J. Plyler, and R. J. Knize, "Temperature dependence of Rb 5P fine-structure transfer induced by He4 collisions," Opt. Lett. 37, 1637-1639 (2012)

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