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Journal of the Optical Society of America

Journal of the Optical Society of America

  • Vol. 71, Iss. 9 — Sep. 1, 1981
  • pp: 1072–1079

Emission and absorption measurements of the anomalous cesium principal-series doublet oscillator-strength ratios

Chun-Sing O, G. F. Fülöp, O. Redi, and H. H. Stroke  »View Author Affiliations


JOSA, Vol. 71, Issue 9, pp. 1072-1079 (1981)
http://dx.doi.org/10.1364/JOSA.71.001072


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Abstract

The doublet oscillator-strength ratios ρn of the cesium principal series (62S1/2-n2P3/2,1/2) have been measured for principal quantum number n = 7–21. Both emission and absorption spectroscopic measurements were performed with a 9.1-m focal-length spectrometer. The results show that ρn increases monotonically with n. Discrepancies between emission and absorption results are attributed to collisional mixing of the excited-state populations. Oscillator strengths of both fine structure lines were obtained from the absorption measurements. These agree substantially with similar work by Lorenzen and Niemax [J. Phys. B 11, L723 (1978)]. Fano X parameters derived from the measured results are found to decrease monotonically with n. The value of X, extrapolated to the ionization potential, is 2.05 ± 0.03, in good agreement with recent laser-excited atomic-beam results of Raimond et al. [J. Phys. B 11, L765 (1978)]. This makes unlikely the existence of a pole of ρn in the discrete spectrum, which requires that X have the value 2.

© 1981 Optical Society of America

Citation
Chun-Sing O, G. F. Fülöp, O. Redi, and H. H. Stroke, "Emission and absorption measurements of the anomalous cesium principal-series doublet oscillator-strength ratios," J. Opt. Soc. Am. 71, 1072-1079 (1981)
http://www.opticsinfobase.org/josa/abstract.cfm?URI=josa-71-9-1072

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