Studies of electron cyclotron resonance ion source plasma physics
Julkaistu sarjassa
Research report / Department of Physics, University of JyväskyläTekijät
Päivämäärä
2005Oppiaine
FysiikkaJulkaisija
University of JyväskyläISBN
978-951-39-3165-0ISSN Hae Julkaisufoorumista
0075-465XMetadata
Näytä kaikki kuvailutiedotKokoelmat
- Väitöskirjat [3527]
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Influence of axial mirror ratios on the kinetic instability threshold in electron cyclotron resonance ion source plasma
Toivanen, V.; Bhaskar, B. S.; Koivisto, H.; Maunoury, L.; Tarvainen, O.; Thuillier, T. (American Institute of Physics, 2022)Electron Cyclotron Resonance (ECR) ion source plasmas are prone to kinetic instabilities. The onset of the instabilities manifests as emission of microwaves, bursts of electrons expelled from the plasma volume, and the ... -
Dynamic regimes of cyclotron instability in the afterglow mode of minimum-B electron cyclotron resonance ion source plasma
Mansfeld, D.; Izotov, I.; Skalyga, V.; Tarvainen, Olli; Kalvas, Taneli; Koivisto, Hannu; Komppula, Jani; Kronholm, Risto; Laulainen, Janne (Institute of Physics Publishing, 2016)The paper is concerned with the dynamic regimes of cyclotron instabilities in non-equilibrium plasma of a minimum-B electron cyclotron resonance ion source operated in pulsed mode. The instability appears in decaying ion ... -
Plasma response to amplitude modulation of the microwave power on a 14 GHz electron cyclotron resonance ion source
Neben, Derek; Tarvainen, Olli; Kronholm, Risto; Koivisto, Hannu; Kalvas, Taneli; Machicoane, Guillaume; Leitner, Daniela (AIP Publishing, 2018)This paper reports the effects of sinusoidal microwave power Amplitude Modulation (AM) on the performance of Electron Cyclotron Resonance (ECR) ion sources. The study was conducted on the 14 GHz ECR ion source ECR2 at the ... -
Periodic Beam Current Oscillations Driven by Electron Cyclotron Instabilities in ECRIS Plasmas
Tarvainen, Olli; Kalvas, Taneli; Koivisto, Hannu; Komppula, Jani; Kronholm, Risto; Laulainen, Janne; Izotov, I.; Mansfeld, D.; Skalyga, V.; Toivanen, V. (Institute of Applied Physics of the Russian Academy of Sciences, 2014)Experimental observation of cyclotron instabilities in electron cyclotron resonance ion source plasma operated in cwmode is reported. The instabilities are associated with strong microwave emission and a burst of energetic ... -
Slit extraction and emittance results of a permanent magnet minimum-B quadrupole electron cyclotron resonance ion source
Kosonen, Sami; Kalvas, Taneli; Koivisto, Hannu; Tarvainen, Olli; Toivanen, Ville (Elsevier, 2024)We present an experimental and simulation study of high charge state ion beams produced with a permanent magnet electron cyclotron resonance ion source (ECRIS) with minimum-B quadrupole magnetic field topology and slit ...
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