Optimizing the parameters of a diode-based plasma voltage stabilizer
Mustafaev A. S. 1, Grabovskiy A. Y. 1, Shtoda E. V. 1
1Empress Catherine II Saint Petersburg Mining University, Saint Petersburg, Russia
Email: schwer@list.ru

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An experimental study was conducted to analyze the effect of side screen geometry in a diode-based voltage stabilizer on plasma-beam electron energy relaxation. The results demonstrate that using a conical screen configuration provides for a gradual increase in energy relaxation length and a multi-fold increase in current density. Parameters such as helium pressure, interelectrode gap, and electrokinetic characteristics were optimized. Effective voltage stabilization was achieved within the range of 20 to 65 V at current densities of approximately 2 A/cm2. Keywords: low-voltage beam discharge, electron beam, anisotropic plasma, plasma instabilities, stabilized voltage.
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