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For low single-pass absorption of ion cyclotron range frequency (ICRF) wave in theEAST plasma cavity modes are expected to be excited between the low field side (LFS) antennaand the hybrid cut-off layer.The toroidal spectrum for D(H) minority heating scenarios in EASTis modeled by using FELICE (finite elements ion cyclotron emulator),a full wave code based onplane-stratified geometry.The excitation of cavity modes is studied.The methods for suppressingcavity modes are also discussed,to increase the efficiency of minority ion heating.
For low single-pass absorption of ion cyclotron range frequency (ICRF) wave in the EAST plasma cavity modes are expected to be excited between the low field side (LFS) antenna and the hybrid cut-off layer. The toroidal spectrum for D (H) minority heating scenarios in EASTis modeled by using FELICE (finite elements ion cyclotron emulator), a full wave code based on plane-stratified geometry. excitation of cavity modes is studied. heating.