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Electron temperature fluctuations at a relative level of the order of 0.1% in the presence of strong inherent intensity fluctuations of thermal radiation can be measured applying correlation radiometry of electron cyclotron emission. The diagnostic problem and the technique are briefly reviewed. Examples are given which characterize the temperature fluctuations as measured in the core region of purely electron cyclotron resonance heating (ECRH) plasmas with respect to spectrum, relative level, coherence length. Parameter dependences are discussed.

Additional information

Authors: HARTFUß H J ET AL, Max-Planck-Institut für Plasmaphysik, Garching bei München (DE);HARTFU? H J ET AL, Max-Planck-Institut fur Plasmaphysik, Garching bei Munchen (DE)
Bibliographic Reference: Article: Plasma Physics and Controlled Fusion, Vol. 38 (1996) pp. A227-A236
Record Number: 199710337 / Last updated on: 1997-04-14
Original language: en
Available languages: en
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