High-intensity cesium ion beams for HIBP diagnostics

High-intensity cesium ion beams for HIBP diagnostics

The goal of the research is to expand the capabilities of the heavy ion beam probing (HIBP) diagnostic. HIBP is a unique diagnostic, capable to measure plasma potential, density and their fluctuations, as well as the poloidal magnetic field fluctuations in the core and edge plasmas. The sensitivity...

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Datum:2020
Hauptverfasser: Krupnik, L.I., Barcala, J., Chmyga, O.O., Deshko, G.M., Drabinskiy, M.A., Eliseev, L.G., Hidalgo, C., Khabanov, Ph.O., Kharchev, N.K., Khrebtov, S.M., Komarov, O.D., Kozachok, O.S., Melnikov, A.V., Molinero, A., de Pablos, J.L., TJ-II team
Format: Artikel
Sprache:English
Veröffentlicht: Національний науковий центр «Харківський фізико-технічний інститут» НАН України 2020
Schriftenreihe:Вопросы атомной науки и техники
Schlagworte:
Plasma diagnostics
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Назва журналу:Digital Library of Periodicals of National Academy of Sciences of Ukraine
Zitieren:High-intensity cesium ion beams for HIBP diagnostics / L.I. Krupnik, J. Barcala, O.O. Chmyga, G.M. Deshko, M.A. Drabinskiy, L.G. Eliseev, C. Hidalgo, Ph.O. Khabanov, N.K. Kharchev, S.M. Khrebtov, O.D. Komarov, O.S. Kozachok, A.V. Melnikov, A. Molinero, J.L. de Pablos, TJ-II team // Problems of atomic science and tecnology. — 2020. — № 6. — С. 190-194. — Бібліогр.: 12 назв. — англ.

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Digital Library of Periodicals of National Academy of Sciences of Ukraine
Beschreibung
Zusammenfassung:The goal of the research is to expand the capabilities of the heavy ion beam probing (HIBP) diagnostic. HIBP is a unique diagnostic, capable to measure plasma potential, density and their fluctuations, as well as the poloidal magnetic field fluctuations in the core and edge plasmas. The sensitivity of the diagnostic is determined by the level of the output signal related to the instrumental noise. The level of the probing beam current should be as high as possible, especially for measurements at the periphery with low output signal due to low plasma density, and in the core, where the beam is attenuated due to the high plasma density. Optimization experiments have shown the possibility of ion beam forming in the current range from 40 to 800 μA.

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