Keyword: cavity
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MOCO03 Cavity Tuning Experiments with the JYFL 14 GHz ECRIS ion, plasma, ECR, GUI 18
 
  • O.A. Tarvainen, T. Kalvas, H. A. Koivisto, R.J. Kronholm, J.P. Laulainen, J. Orpana
    JYFL, Jyväskylä, Finland
  • I. Izotov, D. Mansfeld, V. Skalyga
    IAP/RAS, Nizhny Novgorod, Russia
  • V. Toivanen
    CERN, Geneva, Switzerland
  
  Experimental results showing the effect of cavity tuning on oxygen beam currents extracted from the AECR-type JYFL 14 GHz ECRIS are reported. The microwave-plasma coupling properties of the ion source were adjusted by inserting a conducting tuner stub through the injection plug, thus changing the dimensions of the plasma chamber and affecting the cavity properties of the system. The beam currents of high charge state ions were observed to vary up to some tens of percent depending on the tuner position and the microwave frequency.  
slides icon Slides MOCO03 [5.745 MB]  
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-ECRIS2016-MOCO03  
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