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Integrating a Traveling-Wave Tube into an AECR-U Ion Source

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4 Author(s)
Michel Kireeff Covo ; Lawrence Berkeley National Laboratory, Berkeley, CA, USA ; Janilee Y. Benitez ; Alessandro Ratti ; Jasmina L. Vujic

A radio frequency system of 500 W output power from 10.75 to 12.75 GHz frequency range was designed and integrated into the Advanced Electron Cyclotron Resonance-Upgrade (AECR-U) ion source of the 88-inch cyclotron at Lawrence Berkeley National Laboratory. The AECR-U produces ion beams for the cyclotron, giving large flexibility of ion species and charge states. The broadband frequency of a traveling-wave tube (TWT) allows modifying the volume that couples and heats the plasma. The TWT system design and integration with the AECR-U ion source and results from commissioning are presented.

Published in:

IEEE Transactions on Plasma Science  (Volume:39 ,  Issue: 6 )