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Rev Sci Instrum. 2010 Feb;81(2):02B903. doi: 10.1063/1.3264640.

Two-stage plasma gun based on a gas discharge with a self-heating hollow emitter.

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Institute of High Current Electronics, Russian Academy of Sciences, Tomsk 634055, Russia.


The paper presents the results of tests of a new compact two-stage bulk gas plasma gun. The plasma gun is based on a nonself-sustained gas discharge with an electron emitter based on a discharge with a self-heating hollow cathode. The operating characteristics of the plasma gun are investigated. The discharge system makes it possible to produce uniform and stable gas plasma in the dc mode with a plasma density up to 3x10(9) cm(-3) at an operating gas pressure in the vacuum chamber of less than 2x10(-2) Pa. The device features high power efficiency, design simplicity, and compactness.


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