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Abstract <p>The results of one of the first experimental campaigns on the experimental stand GPI-2 (helicon plasma source, 2 kW) on studying the plasma material interaction, which is designed and manufactured at the National Research Center “Kurchatov Institute”, are presented. Plasma parameters have been measured using a set of probe diagnostics. The optimal magnetic field values and working gas flow rates for this stand configuration are selected based on the experimental data, and the possibility of obtaining plasma with a density of about 10<sup>11</sup> cm<sup>–3</sup> is demonstrated. The effect of the RF antenna position in a decreasing magnetic field relative to its maximum has been studied.</p>

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Facility for Studying the Interaction of Plasma with Materials Based on a Helicon-Type RF Source: First Results

  • 期刊论文

  • 发表日期：

    2025年4月1日

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  • N. O. Stepanov,
  • D. I. Cherkez,
  • A. V. Spitsyn

摘要

Abstract

The results of one of the first experimental campaigns on the experimental stand GPI-2 (helicon plasma source, 2 kW) on studying the plasma material interaction, which is designed and manufactured at the National Research Center “Kurchatov Institute”, are presented. Plasma parameters have been measured using a set of probe diagnostics. The optimal magnetic field values and working gas flow rates for this stand configuration are selected based on the experimental data, and the possibility of obtaining plasma with a density of about 1011 cm–3 is demonstrated. The effect of the RF antenna position in a decreasing magnetic field relative to its maximum has been studied.