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Proceedings Paper

Uranium AVLIS vaporizer development
Author(s): Thomas M. Anklam; Leon Val Berzins; Karla G. Hagans; George Kamin; Matthew A. McClelland; Raymond D. Scarpetti; Dan W. Shimer
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Paper Abstract

A uranium vaporization system has been developed to efficiently produce the large quantities of atomic uranium vapor that are required for an economic A VLIS process. The vapor produced is well collimated and electronically cold. Vapor is produced by high energy electrons which are magnetically steered to the melt surface. Contouring of magnetic fields helps to optimally format the primary electrons and to contain backscattered electrons. A highly compact electron beam system has been developed to facilitate modular packaging of vaporizer components. Electron beam system power will be provided by high power switching power supplies. These power supplies, which are nearing completion at LLNL, have high electrical efficiency and offer excellent protection against high-voltage arcdowns. Vapor density, composition, and quality are monitored by laser absorption spectroscopy. All laser and optical components are mounted outside the process chamber. The monitoring system is nonintrusive and is designed to survive long duration operation at high vaporization rates.

Paper Details

Date Published: 28 May 1993
PDF: 10 pages
Proc. SPIE 1859, Laser Isotope Separation, (28 May 1993); doi: 10.1117/12.145507
Show Author Affiliations
Thomas M. Anklam, Lawrence Livermore National Lab. (United States)
Leon Val Berzins, Lawrence Livermore National Lab. (United States)
Karla G. Hagans, Lawrence Livermore National Lab. (United States)
George Kamin, Lawrence Livermore National Lab. (United States)
Matthew A. McClelland, Lawrence Livermore National Lab. (United States)
Raymond D. Scarpetti, Lawrence Livermore National Lab. (United States)
Dan W. Shimer, Lawrence Livermore National Lab. (United States)


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

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