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Proceedings Paper

Simulation of high currents in x-ray flash tubes
Author(s): R. Germer; E. Sato
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Paper Abstract

The discharge in linear plasma X-ray flash tubes ( Sato tubes ) is simulated. For the geometry of a cylinder cathode outside and an anode in the centre, the electrical fields and potentials are calculated and the propagation of electrons are studied. Space charge limits the current in the initial phase strongly. Replacing the vacuum by plasma from the anode evaporation, it is possible to get increasing current and strong X-ray pulses. Space charge is important for the high intensity X-ray production up to the end of the emission.

Paper Details

Date Published: 10 February 2009
PDF: 8 pages
Proc. SPIE 7126, 28th International Congress on High-Speed Imaging and Photonics, 71260Q (10 February 2009); doi: 10.1117/12.821846
Show Author Affiliations
R. Germer, Technische Univ. Berlin (Germany)
Fachhochschule für Technik und Wirtschaft (Germany)
Institut für Theoretische Physik (Germany)
E. Sato, Iwate Medical Univ. (Japan)

Published in SPIE Proceedings Vol. 7126:
28th International Congress on High-Speed Imaging and Photonics
Harald Kleine; Martha Patricia Butron Guillen, Editor(s)

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