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Proceedings Paper

The LLNL flash x-ray induction linear accelerator (FXR)
Author(s): Lloyd G. Multhauf; Norman L. Back; Larry F. Simmons; Jan-Mark Zentler; Raymond D. Scarpetti
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Paper Abstract

The FXR is an induction linear accelerator used for high-speed radiography at the Lawrence Livermore National Laboratory's Experimental Test Site. It was designed specifically for the radiography of very thick explosive objects. Since its completion in 1982, it has been very actively used for a large variety of explosives tests, and has been periodically upgraded to achieve higher performance. Upgrades have addressed machine reliability, radiographic sensitivity and resolution, two-frame imaging by double pulsing -- improvements that are described in detail in the paper. At the same time, the facility in which it was installed has also been extensively upgraded, first by adding space for optical and interferometric diagnostics, and more recently by adding a containment chamber to prevent the environmental dispersal of hazardous and radioactive materials. The containment addition also further expands space for new non-radiographic diagnostics. The new Contained Firing Facility is still in the process of activation. At the same time, FXR is continuing to undergo modifications aimed primarily at further increasing radiographic resolution and sensitivity, and at improving double-pulsed performance.

Paper Details

Date Published: 1 August 2003
PDF: 12 pages
Proc. SPIE 4948, 25th International Congress on High-Speed Photography and Photonics, (1 August 2003); doi: 10.1117/12.516922
Show Author Affiliations
Lloyd G. Multhauf, Lawrence Livermore National Lab. (United States)
Norman L. Back, Lawrence Livermore National Lab. (United States)
Larry F. Simmons, Lawrence Livermore National Lab. (United States)
Jan-Mark Zentler, Lawrence Livermore National Lab. (United States)
Raymond D. Scarpetti, Los Alamos National Lab. (United States)


Published in SPIE Proceedings Vol. 4948:
25th International Congress on High-Speed Photography and Photonics
Claude Cavailler; Graham P. Haddleton; Manfred Hugenschmidt, Editor(s)

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