PBFA II ion diode theory and implications
- 1 May 1987
- journal article
- research article
- Published by Cambridge University Press (CUP) in Laser and Particle Beams
- Vol. 5 (3) , 439-449
- https://doi.org/10.1017/s0263034600002925
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.Keywords
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