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Proceedings Paper

Modeling and experimental investigation of x-ray spectra from a liquid metal anode x-ray tube
Author(s): Bernd R. David; Axel Thran; Rainer Eckart
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Paper Abstract

This paper presents simulated and measured spectra of a novel type of x-ray tube. The bremsstrahlung generating principle of this tube is based on the interaction of high energetic electrons with a turbulently flowing liquid metal separated from the vacuum by a thin window. We simulated the interaction of 50-150 keV electrons with liquid metal targets composed of the elements Ga, In, Sn, as well as the solid elements C, W and Re used for the electron windows. We obtained x-ray spectra and energy loss curves for various liquid metal/window combinations and thicknesses of the window material. In terms of optimum heat transport a thin diamond window in combination with the liquid metal GaInSn is the best suited system. If photon flux is the optimization criteria, thin tungsten/rhenium windows cooled by GaInSn should be preferred.

Paper Details

Date Published: 3 November 2004
PDF: 12 pages
Proc. SPIE 5537, X-Ray Sources and Optics, (3 November 2004); doi: 10.1117/12.560560
Show Author Affiliations
Bernd R. David, Philips Research Labs./Hamburg (Germany)
Axel Thran, Philips Research Labs./Hamburg (Germany)
Rainer Eckart, Philips Research Labs./Hamburg (Germany)

Published in SPIE Proceedings Vol. 5537:
X-Ray Sources and Optics
Carolyn A. MacDonald; Albert T. Macrander; Tetsuya Ishikawa; Christian Morawe; James L. Wood, Editor(s)

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