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Waveguide and loop coupling to fast MHD toroidal eigenmodes
Author(s) -
F.J. Paoloni
Publication year - 1975
Publication title -
osti oai (u.s. department of energy office of scientific and technical information)
Language(s) - English
Resource type - Reports
DOI - 10.2172/4092760
Subject(s) - toroid , coupling (piping) , magnetohydrodynamics , physics , plasma , waveguide , normal mode , perpendicular , toroidal and poloidal , loop (graph theory) , computational physics , acoustics , quantum electrodynamics , mechanics , optics , materials science , geometry , nuclear physics , mathematics , combinatorics , metallurgy , vibration
Heating of plasmas by wave techniques requires an effective method of coupling rf energy to the plasma. In cavities the presence of weakly damped eigenmodes will enhance the loading of antennas when the wave frequency equals an eigenmode frequency. This report considers two methods of coupling to fast MHD eigenmodes in a toroidal cavity: one is by a waveguide mounted perpendicular to the vacuum vessel wall; and the other by a loop placed within the cavity. (auth

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