Cavity Tuning Experiments with the JYFL 14 GHz ECRIS

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 di...

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Detalles Bibliográficos
Autores principales: Tarvainen, Olli, Izotov, Ivan, Kalvas, Taneli, Koivisto, Hannu, Kronholm, Risto, Laulainen, Janne, Orpana, Joose, Skalyga, Vadim, Toivanen, Ville
Lenguaje:eng
Publicado: 2017
Materias:
Accelerators and Storage Rings
Acceso en línea:https://dx.doi.org/10.18429/JACoW-ECRIS2016-MOCO03
http://cds.cern.ch/record/2315131
Descripción
Sumario: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.

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