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MOZZO02 | ECR Discharge in a Single Solenoid Magnetic Field as a Source of the Wide-Aperture Dense Plasma Fluxes | 47 |
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Funding: The reported study was supported by RFBR, project #19-32-90079, and by Presidential Grants Foundation (Grant #MD-2745.2019.2) Sources of dense plasma fluxes with wide aperture are extensively used in applied science, i.e. surface treatment, and as a part of neutral beam injectors. ECR discharge in a solenoidal magnetic field (i.e. with no magnetic mirrors for plasma confinement), sustained by a powerful radiation of modern gyrotrons is under consideration at IAP RAS as a possible alternative to widely used vacuum arc, RF and helicon discharges. The use of a high frequency radiation (37.5 GHz) allows to obtain a discharge at lower pressure, sustain almost fully ionized plasma with density more than 1013 cm-3, whereas the power on the level of several hundreds of kW allows one to create such a plasma in considerably large volume. In the present work fluxes of hydrogen plasma with the equivalent current density of 750 mA/cm2 and the total current of 5 A were obtained. A multi-aperture multi-electrode extraction system design capable of forming the non-divergent ion beam was developed with the use of IBSimu code. |
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Slides MOZZO02 [0.681 MB] | ||
DOI • | reference for this paper ※ https://doi.org/10.18429/JACoW-ECRIS2020-MOZZO02 | |
About • | Received ※ 27 September 2020 — Revised ※ 30 January 2021 — Accepted ※ 13 May 2021 — Issue date ※ 18 May 2021 | |
Cite • | reference for this paper using ※ BibTeX, ※ LaTeX, ※ Text/Word, ※ RIS, ※ EndNote (xml) | |