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Proceedings Paper

Gadolinium enrichment technology at Lawrence Livermore National Laboratory
Author(s): Christopher A. Haynam; Brian J. Comaskey; John Conway; Jon Eggert; Joseph Glaser; Edmund W. Ng; Jeffrey A. Paisner; Richard W. Solarz; Earl F. Worden
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Paper Abstract

A method based on polarization selectivity and three step laser photoionization is presented for separation of the odd isotopes of gadolinium. Measurements of the spectroscopic parameters needed to quantify the excitation pathway are discussed. Model results are presented for the efficiency of photoionization. The vapor properties of electron beam vaporized gadolinium are presented which show dramatic cooling during the expansion of the hot dense vapor into a vacuum. This results in a significant increase in the efficiency of conversion of natural feed into enriched product in the AVLIS process. Production of enriched gadolinium for use in commercial power reactors appears to be economically viable using technology in use at LLNL.

Paper Details

Date Published: 28 May 1993
PDF: 13 pages
Proc. SPIE 1859, Laser Isotope Separation, (28 May 1993); doi: 10.1117/12.145501
Show Author Affiliations
Christopher A. Haynam, Lawrence Livermore National Lab. (United States)
Brian J. Comaskey, Lawrence Livermore National Lab. (United States)
John Conway, Lawrence Livermore National Lab. (United States)
Jon Eggert, Lawrence Livermore National Lab. (United States)
Joseph Glaser, Lawrence Livermore National Lab. (United States)
Edmund W. Ng, Lawrence Livermore National Lab. (United States)
Jeffrey A. Paisner, Lawrence Livermore National Lab. (United States)
Richard W. Solarz, Lawrence Livermore National Lab. (United States)
Earl F. Worden, Lawrence Livermore National Lab. (United States)


Published in SPIE Proceedings Vol. 1859:
Laser Isotope Separation
Jeffrey A. Paisner, Editor(s)

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