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An electron-beam accelerator based on spiral water PFL

Published online by Cambridge University Press:  15 October 2007

J.L. Liu ,
Yi Yin ,
Bin Ge ,
T.W. Zhan ,
X.B. Chen ,
J.H. Feng ,
Ting Shu ,
J.D. ZHANG  and
X. Xinxin Wang
J.L. Liu*
Affiliation:
Department of Electrical Engineering, Tsinghua University, Beijing, China College of Photoelectrical Engineering and Science, National University of Defense Technology, Changsha, China
Yi Yin
Affiliation:
College of Photoelectrical Engineering and Science, National University of Defense Technology, Changsha, China
Bin Ge
Affiliation:
College of Photoelectrical Engineering and Science, National University of Defense Technology, Changsha, China
T.W. Zhan
Affiliation:
College of Photoelectrical Engineering and Science, National University of Defense Technology, Changsha, China
X.B. Chen
Affiliation:
College of Photoelectrical Engineering and Science, National University of Defense Technology, Changsha, China
J.H. Feng
Affiliation:
College of Photoelectrical Engineering and Science, National University of Defense Technology, Changsha, China
Ting Shu
Affiliation:
College of Photoelectrical Engineering and Science, National University of Defense Technology, Changsha, China
J.D. ZHANG
Affiliation:
College of Photoelectrical Engineering and Science, National University of Defense Technology, Changsha, China
X. Xinxin Wang
Affiliation:
Department of Electrical Engineering, Tsinghua University, Beijing, China
*
Address corresponding and reprint request to: Jinliang Liu, College of Photoelectrical Engineering and Science, National University of Defense Technology, Changsha, 410073, China. E-mail: ljle333@yahoo.com
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Abstract

An electron-beam accelerator based on spiral water pulse forming line which consists of a primary storage capacitor system, an air core spiral strip transformer, a spiral pulse forming line of water dielectric, and a field-emission diode, is described. The experimental results showed that the diode voltage is more than 500 kV, the electron beam current of diode is about 24 kA, and the pulse duration is about 200 ns. The main parameters of the accelerator were calculated theoretically. The distributions for electrical field in the pulse forming line were obtained by the simulations. In addition, the process of the accelerator charging a spiral pulse forming line was simulated through the Pspice software to get the waveforms of charging voltage of pulse forming line, the diode voltage and diode current of accelerator. The theoretical and simulated results agree with the experimental results. This accelerator is very compact and works stably and reliably.

Keywords

AcceleratordiodeSpiral strip transformerSpiral water PFL
Type
Research Article
Information
Laser and Particle Beams , Volume 25 , Issue 4 , December 2007 , pp. 593 - 599
Copyright
Copyright © Cambridge University Press 2007

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