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Applied Optics

Applied Optics


  • Vol. 22, Iss. 13 — Jul. 1, 1983
  • pp: 1970–1975

Optogalvanic isotope enrichment of Cu ions in Cu–Ne positive column discharges

M. J. Kushner  »View Author Affiliations

Applied Optics, Vol. 22, Issue 13, pp. 1970-1975 (1983)

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The isotopic enrichment of copper ions in a positive column Cu–Ne discharge using optogalvanic excitation is analyzed with a rate equation model. With excitation at 510.6 nm, the fraction of the ions belonging to the 63-amu isotope of copper is enriched relative to the neutral abundance. Enrichment as large as 10% is calculated when the initial abundance of the neutral isotope is small (≤0.1) and the discharge current density is large (≥75 mA/cm2). The degree of enrichment is examined as a function of the initial abundance, discharge current, the rate of charge exchange, and the diameter of the discharge tube.

© 1983 Optical Society of America

Original Manuscript: January 31, 1983
Published: July 1, 1983

M. J. Kushner, "Optogalvanic isotope enrichment of Cu ions in Cu–Ne positive column discharges," Appl. Opt. 22, 1970-1975 (1983)

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  20. Exploitation of the difference in the rate of ambipolar diffusion for different isotopes in a longitudinal DC discharge has itself been suggested as an enrichment technique. See, for example, A. I. Karchevskii, E. P. Potanin, Sov. J. Phys. 8, 101 (1982).

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