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Journal of the Optical Society of America

Journal of the Optical Society of America

  • Vol. 52, Iss. 5 — May. 1, 1962
  • pp: 501–503

Hyperfine Structure and Isotope Shift in the 7 2S½ - 6 2P½ Transition of Natural Thallium by Atomic Beam Absorption

C. J. SCHULER, M. ÇIFTAN, L. C. BRADLEY, III, and H. H. STROKE  »View Author Affiliations


JOSA, Vol. 52, Issue 5, pp. 501-503 (1962)
http://dx.doi.org/10.1364/JOSA.52.000501


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Abstract

The isotope shift in the 7 2S½ - 6 2P½ transition (3776 Å) and the hyperfine-structure separations of Tl203 and Tl205 in the 7 2S½ state have been determined spectroscopically by atomic beam absorption with the use of a Fabry—Pérot interferometer crossed with a 10-in. diffraction grating. Our results are: 0.0554±0.0012 cm-1 for the isotope shift in the 3776 Å line; -0.0405±0.0013 cm-1 in the 6 2P½ level; and Δν (7 2S½)=0.4078 ±0.0014 cm-1 and 0.4109±0.0012 cm-1 for the hyperfine-structure separation in Tl203 and Tl205, respectively.

Citation
C. J. SCHULER, M. ÇIFTAN, L. C. BRADLEY, III, and H. H. STROKE, "Hyperfine Structure and Isotope Shift in the 7 2S½ - 6 2P½ Transition of Natural Thallium by Atomic Beam Absorption," J. Opt. Soc. Am. 52, 501-503 (1962)
http://www.opticsinfobase.org/josa/abstract.cfm?URI=josa-52-5-501


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References

  1. R. J. Hull and H. H. Stroke, J. Opt. Soc. Am. 49, 1088 (1959).
  2. A. I. Odintsov, Optika i Spektroskopia 9, 137 (1960) [Optics and Spectroscopy 9, 75 (1960)].
  3. N. F. Ramsey, Molecular Beams (Oxford University Press, London, 1956), Chap. II; J. G. King and J. R. Zacharias, Advances in Electronics and Electron Physics, Vol. 8, edited by L. Marton (Academic Press Inc., New York, 1956), p. 1.
  4. G. R. Harrison and G. W. Stroke, J. Opt. Soc. Am. 50, 1153 (1960).
  5. S. Tolansky, High Resolution Spectroscopy (Methuen and Company, London, 1942).
  6. A. Lurio and A. G. Prodell, Phys. Rev. 101, 79 (1956).
  7. G. F. Koster, Phys. Rev. 86, 148 (1952).
  8. G. Gould, Phys. Rev. 101, 1828 (1956).
  9. We are grateful to Professor G. F. Koster, of Massachusetts Institute of Technology, Cambridge, Massachusetts for a stimulating discussion.
  10. H. Kopfermann, Nuclear Moments (Academic Press Inc., New York, 1958), p. 177.

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