|Title||Electron-Density Fluctuation in Jet Measured with Multichannel Reflectometry|
|Publication Type||Journal Article|
|Year of Publication||1993|
|Authors||G.J Kramer, A.C.C. Sips, N.JL Cardozo|
|Journal||Plasma Physics and Controlled Fusion|
Electron density fluctuations have been studied with the multichannel reflectometer at JET. Results from three topics are presented: the location of MI-ID modes, fluctuations during the sawtooth crash and fluctuations before and after the L-mode to H-mode transition. The nonlinear response of the homodyne detection system, used to measure density fluctuations is considered. This can introduce artefacts in the data which should be taken into account in the interpretation of the signals.
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