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Journal of the Optical Society of America

Journal of the Optical Society of America

  • Vol. 49, Iss. 11 — Nov. 1, 1959
  • pp: 1086–1087

Contribution to the First Spark Spectrum of Germanium (Ge II)

K. L. ANDREW and K. W. MEISSNER  »View Author Affiliations

JOSA, Vol. 49, Issue 11, pp. 1086-1087 (1959)

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Observations of the spark spectrum of Ge from 4741 A to 7145 A have made possible the improvement of certain of the term values of Ge II. By combining their interferometric wavelength measurements with unpublished data of C. W. Gartlein the authors were able to determine the fine structure of four 4s2nƒ2F° terms of Ge II. All the terms for n=4, 5, 6, and 7 are inverted and the splittings range from 0.47 to 0.75 cm-1. Values were obtained for the unresolved 4s2ng2G terms for n=6 and 7.

K. L. ANDREW and K. W. MEISSNER, "Contribution to the First Spark Spectrum of Germanium (Ge II)," J. Opt. Soc. Am. 49, 1086-1087 (1959)

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  1. R. J. Lang, Proc. Natl. Acad. Sci. U. S. 14, 32 (1928).
  2. R. J. Lang, Phys. Rev. 34, 698 (1929).
  3. Charlotte E. Moore, "Atomic energy levels," Natl. Bur. Standards (U. S.) Circ. No. 457, Vol. II (1952).
  4. Charlotte E. Moore, "An ultraviolet multiplet table," Natl. Bur. Standards (U. S.) Circ. No. 488, Vol. II (1952).
  5. K. W. Meissner and K. L. Andrew, Proc. Indiana Acad. Sci. No. 62, 291 (1953).
  6. K. L. Andrew and K. W. Meissner, J. Opt. Soc. Am. 49, 146 (1959).
  7. Meissner, Van Veld, and Wilkinson, J. Opt. Soc. Am. 48, 1001 (1958).

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