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Home / Publications / Journals / Fusion Science and Technology / Volume 51 / Number 2T / Pages 164-167

Full-Wave Maxwell Simulations for Electron Cyclotron Resonance Heating

H. Hojo, Y. Tatematsu, T. Saito (20R06)

Fusion Science and Technology / Volume 51 / Number 2T / February 2007 / Pages 164-167

Technical Paper / Open Magnetic Systems for Plasma Confinement

A new numerical scheme for electromagnetic wave tracing is presented in place of the standard ray-tracing method in studies of electron cyclotron resonance heating. The new method solves the full-wave Maxwell equations, and can take into account wave diffraction, mode conversion (or, cross-polarization scattering), and wave tunneling across an evanescent region between resonance and cutoff layers, in addition to estimating power absorption due to wave-particle resonances. The simulations of electromagnetic wave tunneling are demonstrated. The power absorption rate in electron cyclotron resonance heating is also compared with that by the ray-tracing method.

 
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