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Journal of the Optical Society of America

Journal of the Optical Society of America

  • Vol. 45, Iss. 7 — Jul. 1, 1955
  • pp: 564–567

Shifts and Asymmetries in Condensed Spark Spectra of Electroplated Electrodes

LEON BLITZER  »View Author Affiliations


JOSA, Vol. 45, Issue 7, pp. 564-567 (1955)
http://dx.doi.org/10.1364/JOSA.45.000564


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Abstract

Some effects in the spectra of individual sparks between copper electrodes electroplated with thin deposits of silver were studied with the aid of a time-resolving spectrograph. The initial phase of the discharge is characterized by short-lived broadened lines of N II and O II, plus an intense continuum. The line spectrum is predominantly that of Ag II with but a few lines of Ag I present. All of the high-level lines of Ag II, and only these lines, are initially asymmetrically broadened and shifted to the red, but return to their normal wavelength positions after 6–9 µsec; while the low-level lines are characterized by self-reversal and associated continuum. The strong similarity to the spectrum of exploding Ag wire indicates that the same mechanism is operative in both. These effects are explained in terms of a Stark effect induced by the fields of neighboring electrons and ions.

Citation
LEON BLITZER, "Shifts and Asymmetries in Condensed Spark Spectra of Electroplated Electrodes," J. Opt. Soc. Am. 45, 564-567 (1955)
http://www.opticsinfobase.org/josa/abstract.cfm?URI=josa-45-7-564


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References

  1. Cady, Cassen and Blitzer, Phys. Rev. 72, 159 (1947).
  2. L. Blitzer and W. M. Cady, J. Opt. Soc. Am. 41, 440 (1951); also references.
  3. W. M. Cady and G. Gordon, J. Opt. Soc. Am. 39, 368 (1949).
  4. J. A. Anderson, Astrophys. J. 51, 37 (1920); J. A. Anderson and S. Smith, Astrophys. J. 64, 295 (1926).
  5. A. G. Shenstone, Phys. Rev. 31, 317 (1928); W. P. Gilbert, Phys. Rev. 47, 847 (1935).
  6. In accordance with the recommendation of the Joint Commission for Spectroscopy [J. Opt. Soc. Am. 43, 410 (1953)] the wave-number unit cm-1 is abbreviated K(=kayser) in Figs. 1 and 3.
  7. G. Glaser, Optik 7, 33 (1950).
  8. O. Th. Hahn and W. Finkelnburg, Z. Physik 122, 37 (1944); H. N. Olsen and W. S. Huxford, Phys. Rev. 87, 922 (1952); Fowler, Atkinson, and Marks, Phys. Rev. 87, 966 (1952).
  9. E. U. Condon and G. H. Shortley, The Theory of Atomic Spectra (Cambridge University Press, Cambridge, England, 1951).

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