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Journal of the Optical Society of America

Journal of the Optical Society of America

  • Vol. 54, Iss. 12 — Dec. 1, 1964
  • pp: 1445–1448

Analyses of Yttrium Spectra

ARTHUR B. HOOK and MATTHEW P. THEKAEKARA  »View Author Affiliations


JOSA, Vol. 54, Issue 12, pp. 1445-1448 (1964)
http://dx.doi.org/10.1364/JOSA.54.001445


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Abstract

A near automatic method has been developed for data handling and analysis in atomic spectroscopy. Plate factors are determined by a least-squares solution of 100 standard lines by using a polynomial up to the fifth degree. Catalogs of predicted lines are made from known energy level schemes, and classifications of new lines are suggested. The method has been applied to the visible spectrum of yttrium as produced by electrodeless discharge tubes. A total of 977 new lines has been measured with an accuracy of 0.005 Å in the wavelength range 4600 to 6400 Å, which is usually masked by oxide bands; 162 of these lines have been classified in terms of the known energy level system.

Citation
ARTHUR B. HOOK and MATTHEW P. THEKAEKARA, "Analyses of Yttrium Spectra," J. Opt. Soc. Am. 54, 1445-1448 (1964)
http://www.opticsinfobase.org/josa/abstract.cfm?URI=josa-54-12-1445


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