Theoretical analysis of the EAST 4-strap ion cyclotron range of frequency antenna with variational theory |
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| Affiliation: | 1.Institute of Plasma Physics, Chinese Academy of Sciences, Hefei 230031, China;2.University of Science and Technology of China, Hefei 230026, China |
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| Abstract: | A variational principle code which can calculate self-consistently currents on the conductors is used to assess the coupling characteristic of the EAST 4-strap ion cyclotron range of frequency(ICRF) antenna. Taking into account two layers of antenna conductors without lateral frame but with slab geometry, the antenna impedances as a function of frequency and the structure of RF field excited inside the plasma in various phasing cases are discussed in this paper. |
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| Keywords: | variational principle ICRF antenna impedance |
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