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[en] From general principles of wave energy flow conservation and wave energy flow in the time reversed system, we derive symmetry properties that must be satisfied by the coupling of waves in dissipation-free mode conversion regions of an inhomogeneous plasma con.ned by a magnetic field. The results are valid for any kinetic (Vlasov-Maxwell) full-wave description of a plasma in a magnetic field with an equilibrium distribution function symmetric in momentum parallel to the magnetic field. Thus, without solving the full-wave equations, we obtain the symmetries in transmission, reflection, and mode conversion excitation and emission. The important physical and practical consequences of the various symmetries are illustrated for O and X modes coupling to electron Bernstein waves in the vicinity of the upper-hybrid resonance, with adjoining cutoffs, relevant to plasma heating and current drive, and emission from high-β spherical tori (ST) plasmas
Source
Giruzzi, Gerardo (Association Euratom-CEA sur la Fusion, DRFC/SCCP, CEA/Cadarache, 13108 St. Paul-lez-Durance (France)); Association Euratom-CEA sur la Fusion, DRFC/SCCP, CEA/Cadarache, 13108 St. Paul-lez-Durance (France). Funding organisation: Association Euratom-CEA sur la Fusion, CEA/Cadarache, 13108 St. Paul-lez-Durance (France); Region Provence-Alpes Cote d'Azur - The City of Aix-en-Provence, Aix-en-Provence (France); Communaute de l'Agglomeration du Pays d'Aix, Aix-en-Provence (France); Thales Electron Devices (France); Alstom Magnets and Superconductors (France); Spinner GMBH (Germany); 610 p; ISBN 981-238-189-9; 
; 2003; p. 125-130; 12. Joint Workshop on Electron Cyclotron Emission and Electron Cyclotron Heating; Aix-en-Provence (France); 13-16 May 2002; 6 refs., 2 figs.
; 2003; p. 125-130; 12. Joint Workshop on Electron Cyclotron Emission and Electron Cyclotron Heating; Aix-en-Provence (France); 13-16 May 2002; 6 refs., 2 figs.