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On the Passage of Radiant Fluxes out of Discharge Plasma in Ion Sources through Openings in Ion-Extraction Systems

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Abstract

In ion sources, up to a third of the power released in a plasma discharge is carried away from the plasma in the form of ultraviolet radiation. Two main mechanisms for the formation of radiation are considered: radiation from excited atoms of the propellant and from ion-electron recombination coming out of plasma onto the surface bordering the discharge. The radiation-absorption coefficients of perforated electrodes of ion-extraction systems are determined.

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Funding

This work was supported of the Ministry of Education and Science of the Russian Federation as a part of the State assignment (project no. 9.9055.2017/BCh).

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Authors and Affiliations

  1. Research Institute of Applied Mechanics and Electrodynamics, Moscow Aviation Institute (National Research University), 125993, Moscow, Russia

    V. K. Abgaryan

  2. Moscow Aviation Institute (National Research University), 125993, Moscow, Russia

    A. B. Nadiradze, A. A. Semenov & A. E. Troshin

Authors
  1. V. K. Abgaryan
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  2. A. B. Nadiradze
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  3. A. A. Semenov
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  4. A. E. Troshin
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Corresponding authors

Correspondence to V. K. Abgaryan or A. A. Semenov.

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Translated by L. Mosina

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Abgaryan, V.K., Nadiradze, A.B., Semenov, A.A. et al. On the Passage of Radiant Fluxes out of Discharge Plasma in Ion Sources through Openings in Ion-Extraction Systems. J. Surf. Investig. 13, 1054–1060 (2019). https://doi.org/10.1134/S102745101906003X

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  • DOI: https://doi.org/10.1134/S102745101906003X

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