Abstract
The coupling of Ion Bernstein Wave (IBW) excited at low-field side bv poloidal electrostatic antenna to plasma using uniform plasma model has been theoretically stydied. In order to more tally with the actual situation, the finiteness of antenna poloidal length and the nonzero poloidal wave number are considered. The computation of the coupling cord shows that the poloidal electrostatic antenna is able fo excited mostly IBW in plasma. The comparison between the poloidal electrostatic antenna and the conventional toroidal antenna for instrinsic spectral impedance, input impedance and wave energy fluxes is also made, from which it is concluded that the character of coupling IBW for both antenna is quite similar.
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