American Nuclear Society

Home / Publications / Journals / Fusion Science and Technology / Volume 4 / Number 2P2

RF Coupler Technology for Fusion Applications

D. J. Hoffman

Fusion Science and Technology / Volume 4 / Number 2P2 / September 1983 / Pages 642-646

Plasma Heating, Impurity Control, and Fueling /

Radio frequency (rf) oscillations at critical frequencies have successfully provided a means to convey power to fusion plasmas due to the electrical-magnetic properties of the plasma. While large rf systems to couple power to the plasma have been designed, built, and tested, the main link to the plasma, the coupler, is still in an evolutionary stage of development. Design and fabrication of optimal antennas for fusion applications are complicated by incomplete characterizations of the harsh plasma environment and of coupling mechanisms. A brief description of rf coupler technology required for plasma conditions is presented along with an assessment of the status and goals of coupler development.

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