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Abstract

Electron density fluctuations have been studied with the multichannel reflectometer at JET. Results from three topics are presented: the location of MHD modes, fluctuations during the sawtooth crash and fluctuations before and after the L-mode to H-mode transition. The non-linear 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.

Additional information

Authors: KRAMER G J, FOM Instituut voor Plasmafysica, Rijnhuizen, Nieuwegein (NL);LOPES CARDOZO N J, FOM Instituut voor Plasmafysica, Rijnhuizen, Nieuwegein (NL);SIPS A C C, JET Joint Undertaking, Abingdon, Oxon. (GB)
Bibliographic Reference: Report: JET-P(92)97 EN (1992) 30 pp.
Availability: Available from the Publications Officer, JET Joint Undertaking, Abingdon, Oxon. OX14 3EA (GB)
Record Number: 199310288 / Last updated on: 1994-11-29
Category: PUBLICATION
Original language: en
Available languages: en