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Electron Source with a Radially Converging Beam and a Multiarc Plasma Cathode

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Bulletin of the Russian Academy of Sciences: Physics Aims and scope

Abstract

The results of experiments on the generation of a radially converging electron beam in a source with a multiarc grid plasma cathode are presented. The beam was generated at an accelerating voltage of up to 50 kV, a discharge current of 50–300 A, a pulse duration of 50–500 μs, and a pressure of 20–50 mPa. The operation modes of the electron source are compared, and the design of the plasma emitter is modernized to increase the current density to a level sufficient to modify the surface of the collector material.

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Funding

The work was supported by the grant of Russian Science Foundation (project no. 23-29-00939).

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Authors and Affiliations

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

    M. S. Torba, S. Yu. Doroshkevich, M. S. Vorobyov, N. N. Koval, V. V. Ezhov, S. A. Sulakshin & R. A. Kartavtsov

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  1. M. S. Torba
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  2. S. Yu. Doroshkevich
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  3. M. S. Vorobyov
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  4. N. N. Koval
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  5. V. V. Ezhov
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  6. S. A. Sulakshin
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  7. R. A. Kartavtsov
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Correspondence to M. S. Torba.

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Torba, M.S., Doroshkevich, S.Y., Vorobyov, M.S. et al. Electron Source with a Radially Converging Beam and a Multiarc Plasma Cathode. Bull. Russ. Acad. Sci. Phys. 87 (Suppl 2), S318–S323 (2023). https://doi.org/10.1134/S1062873823704798

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  • DOI: https://doi.org/10.1134/S1062873823704798

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