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Impact of Microwave Technology on ECRIS Performances

Chinese Physics C 2007年第S1期31卷 147-151页

作者： L.Celona F.Consoli S.Barbarino G.Ciavola S.Gammino F.Maimone d.mascali L.Tumino Istituto Nazionale di Fisica Nucleate-Laboratori Nazionali del Sud Via S.Sofia 6295123 CataniaItaly Istituto Nazionale di Fisica Nucleate-Laboratori Nazionali del Sud Via S.Sofia 6295123 CataniaItaly Università degli Studi di CataniaDipartirnento di Fisica e AstronomiaVia S.Sofia 6495123 CataniaItaly Università degli Studi di Catania Dipartimento di Ingegneria Informatica e delle TelecomunicazioniViale A.Doria 695123 CataniaItaly

The coupling between microwave generators and ECR ion sources(ECRIS)is a key point for the design of the new generation ECRIS as well as for the optimization of the existing *** electromagnetic characterization of the plasma chamber where the ionization phenomena take place is a fundamental starting point to understand and model such *** such effort the complex structures of the injection and extraction flanges together with the large dimensions of the chamber and the high frequencies that are typically used make impossible an analytical solution and also create great difficulties in the modelling even with state-of- art electromagnetic simulators(CST,HFSS),In the following paper the results of some numerical calculations for the optimum plasma chamber excitation will be presented along with the experimental measurements carried out with the SERSE ion source at INFN-LNS.A campaign of measurements is also planned to further investigate the microwave coupling and the mode excitation,which determines the efficiency of the ECR plasma heating.

关键词： plasma ion sources ECR heating

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Status Report of the MS-ECRIS Construction

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Chinese Physics C 2007年第S1期31卷 13-17页

作者： G.Ciavola S.Gammino L.Celona F.Consoli G.Gallo d.mascali S.Passarello M.Cavenago A.Galatà P.Spaedtke K.Tinschert H.Koivisto P.Suominen O.Tarvainen C.Baruè M.Lechartier R.Leroy J.P.M.Beijers S.Brandenburg H.R.Kremers d.Vanrooyen d.Kuchler d.Hitz P.Seyfert L.Schachter S.dobrescu Istituto Nazionale Fisica Nucleare-Laboratori Nazionali del Sud Catania95123Italy Istituto Nazionale Fisica Nucleare-Laboratori Nazionali di Legnaro LegnaroItaly Gesellschaft für Schwerionenforschung mbH(GSI) DarmstadtGermany department of Physics University of Jyvskyl(JYFL)JyvskylFinland) Grand Accélérateur National d'Ions Lourds (GANIL) CaenPrance Kernfysisch Versneller Instituut (KVI) GroningenNetherlands The Svedberg Laboratory (TSL) UppsalaSweden CERN AB department GenevaSwitzerland CEA-dRFMC-SBT GrenobleFrance Nat.Inst.of Physics and Nuclear Engineering:NIPNE Bucharest Romania

The design of each component of the Multipurpose Superconducting ECR Ion Source(MS-ECRIS) has been completed and some items are *** magnets and the cryostat are under construction at ACCEL and the commissioning is scheduled for March *** mechanical have been optimized and their construction is under way;the microwave system is under refurbishment and the 65kV power supply is available and upgraded for afterglow *** and extraction system were adapted to the EIS testbench of GSI *** description of each part will be given in the paper along with a schedule of the forthcoming development and experiments.

关键词： ECR ion sources accelerator ion beams magnetic field microwaves

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