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Journal of the Optical Society of America

Journal of the Optical Society of America

  • Vol. 56, Iss. 9 — Sep. 1, 1966
  • pp: 1195–1199

Measurement of the Radiative Lifetimes of the First Excited States of Na, K, Rb, and Cs by Means of the Phase-Shift Method

JOHN K. LINK  »View Author Affiliations


JOSA, Vol. 56, Issue 9, pp. 1195-1199 (1966)
http://dx.doi.org/10.1364/JOSA.56.001195


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Abstract

The lifetimes of the first excited states of the elements Na, K, Rb, and Cs were measured using the phase-shift method described by Brewer et al. [Rev. Sci. Instr. 33, 1450 (1962)]. The data were taken over a wide range of vapor densities to allow the effects of radiation entrapment and of scattered exciting light to be taken into account. The following values were obtained: Na 3p2P 16.1±0.3 nsec, K 4p2P 27.8±0.5 nsec, Rb 5p2P3/2 27.0±0.5 nsec, and Cs 6p2P3/2 30.5±0.7 nsec.

Citation
JOHN K. LINK, "Measurement of the Radiative Lifetimes of the First Excited States of Na, K, Rb, and Cs by Means of the Phase-Shift Method," J. Opt. Soc. Am. 56, 1195-1199 (1966)
http://www.opticsinfobase.org/josa/abstract.cfm?URI=josa-56-9-1195

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