PBFA II ion diode theory and implications

Author:

Vandevender J. P.,Slutz S. A.,Seidel D. B.,Coats R. S.,Miller P. A.,Mendel C. W.,Quintenz J. P.

Abstract

Fully electromagnetic, relativistic, two-dimensional, particle-in-cell (PIC) simulations of barrel-type and extractor-type Applied-B ion diodes have increased our confidence in the design of present and future diodes for the Particle Beam Fusion Accelerator II (PBFA II). In addition, the data from various experiments on Pro to I, Proto II, and PBFA I Applied-B ion diodes are inconsistent with previous models of diode operation, based on anode-cathode gap closure from expanding plasmas. A new model has been devised and applied to the PBFA II diode to explain the diode impedance and its time history, and to suggest methods for controlling the impedance.

Publisher

Hindawi Limited

Subject

Electrical and Electronic Engineering,Condensed Matter Physics,Atomic and Molecular Physics, and Optics

Reference28 articles.

1. Maenchen J. E. 1986 Proc. of the 6th Intl. Conf. on High Power Particle Beams, Kobe, Japan (to be published).

2. Analytic ion self-pinch formulae

3. Slutz S. A. 1985 Sandia National Laboratories (private communication).

4. Olson R. E. 1985 Proc. of 11th Symp. of Fusion Eng., Austin, TX.

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