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Measurement of magnetic fluctuations by O → X mode conversion

1990; American Institute of Physics; Volume: 61; Issue: 10 Linguagem: Inglês

10.1063/1.1141714

1527-2400

Linda Vahala, George Vahala, N. Bretz,

Ionosphere and magnetosphere dynamics

The possibility of measuring magnetic fluctuations in a fusion plasma is considered by examining the O–X mode conversion. Under certain conditions and with good angular resolution, this mode conversion can be attributed to the presence of magnetic fluctuations even though the level of these fluctuations is much lower than that of density fluctuations. Some nonideal effects such as mode polarization mismatch at the plasma edge are also discussed.