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  Discharge kinetics and emission characteristics of a large-area-cold cathode flash X-ray tube: parametric study and numerical modelling.

Steyer, M. (1990). Discharge kinetics and emission characteristics of a large-area-cold cathode flash X-ray tube: parametric study and numerical modelling. Journal of Physics D-Applied Physics, 23(1), 18-25. doi:10.1088/0022-3727/23/1/004.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0013-0E74-A Version Permalink: http://hdl.handle.net/11858/00-001M-0000-002C-2FF5-4
Genre: Journal Article

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603071.pdf (Publisher version), 778KB
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 Creators:
Steyer, M.1, Author              
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1Abteilung Laserphysik, MPI for biophysical chemistry, Max Planck Society, ou_578547              

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 Abstract: A pulsed X-ray tube is described which consists of a large-area (80-400 cm2) cold carbon felt cathode and a tantalum foil anode arranged in transmission geometry. It is driven by a Marx generator with an output voltage between 60 and 140 kV. The dose and the dose rate of the X-ray flash together with the diode current are studied as a function of anode-cathode distance, the cathode area and the charging voltage. The tube characteristics are numerically well described by a simple model which considers cathode plasma migration and a space-charge limited current in the remaining vacuum gap.

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Language(s): eng - English
 Dates: 1990-01-14
 Publication Status: Published in print
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 Rev. Method: Peer
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Title: Journal of Physics D-Applied Physics
  Alternative Title : J. Phys. D-Appl. Phys.
Source Genre: Journal
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Pages: - Volume / Issue: 23 (1) Sequence Number: - Start / End Page: 18 - 25 Identifier: ISSN: 0022-3727