PLASMA EROSION OPENING SWITCH IN THE DOUBLE-PULSE OPERATION MODE OF A HIGH-CURRENT ELECTRON ACCELERATOR.

I. F. Isakov, V. S. Lopatin, G. E. Remnev

Research output: Contribution to journalArticle

Abstract

The authors report the results of investigations of the operation of a fast current opening switch, with a 10**1**3-10**1**6 plasma density produced either by dielectric surface flashover or by explosive emission of graphite. A series of two pulses was applied to two diodes in parallel. The first pulse produced plasma in the first diode, which closed that diode gap by the arrival time of the second pulse. The first, shorted, diode then acted as an erosion switch for the second pulse. A factor of 2. 5-3 for power multiplication was obtained under optimum conditions. The opening-switch resistance during the magnetic insulation phase, neglecting the electron losses between the switch and the generating diode, exceeded 100 OMEGA . The duration of the rapid opening phase was less than 5 ns under optimum conditions. This method of plasma production does not require external plasma sources, and permits a wide variation of plasma density, which in turn allows high inductor currents and stored energies.

Original languageEnglish
Pages (from-to)692-694
Number of pages3
JournalIEEE Transactions on Plasma Science
VolumePS-15
Issue number6
Publication statusPublished - Dec 1987

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electron accelerators
erosion
high current
switches
diodes
pulses
plasma density
flashover
inductors
multiplication
insulation
arrivals
graphite
electrons

ASJC Scopus subject areas

  • Physics and Astronomy(all)
  • Condensed Matter Physics

Cite this

PLASMA EROSION OPENING SWITCH IN THE DOUBLE-PULSE OPERATION MODE OF A HIGH-CURRENT ELECTRON ACCELERATOR. / Isakov, I. F.; Lopatin, V. S.; Remnev, G. E.

In: IEEE Transactions on Plasma Science, Vol. PS-15, No. 6, 12.1987, p. 692-694.

Research output: Contribution to journalArticle

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