The LLNL flash x-ray induction linear accelerator (FXR)

Lloyd G. Multhauf; Norman L. Back; Larry F. Simmons; Jan-Mark Zentler; Raymond D. Scarpetti

doi:10.1117/12.516922

1 August 2003 The LLNL flash x-ray induction linear accelerator (FXR)

Lloyd G. Multhauf, Norman L. Back, Larry F. Simmons, Jan-Mark Zentler, Raymond D. Scarpetti

Proceedings Volume 4948, 25th International Congress on High-Speed Photography and Photonics; (2003) https://doi.org/10.1117/12.516922
Event: 25th international Congress on High-Speed photography and Photonics, 2002, Beaune, France

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.

Citation Download Citation

Lloyd G. Multhauf, Norman L. Back, Larry F. Simmons, Jan-Mark Zentler, and Raymond D. Scarpetti "The LLNL flash x-ray induction linear accelerator (FXR)", Proc. SPIE 4948, 25th International Congress on High-Speed Photography and Photonics, (1 August 2003); https://doi.org/10.1117/12.516922

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