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Operating point of long magnetically insulated vacuum transmission lines

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2 Author(s)
Wang, Ming Y. ; Physics International Company, 2700 Merced Street, San Leandro, California 94577 ; Di Capua, Marco S.

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This theoretical investigation addresses the propagation of a power pulse in a long magnetically insulated vacuum transmission line (MITL). Relativistic Brillouin flow, with an arbitrary choice of the potential Vm at the flow boundary, explains the relationships among anode voltage, anode current, and cathode current that have been observed experimentally. The results of this investigation suggest that minimum energy considerations may be used to establish the value of Vm and hence determine the operating point of the MITL. This operating point compares very favorably with experimental data and with results from numerical simulations.

Published in:

Journal of Applied Physics  (Volume:51 ,  Issue: 11 )