Community Research and Development Information Service - CORDIS

Plasma diagnostics

In a previous study it was shown that an excited Faraday shield fast wave antenna draws a large direct current(DC) electron current from the plasma due to the sheath rectification effect. In this study, it is shown for the first time that this DC current (up to 400 A) extends toroidally all around the circumference of the machine and returns to the wall via conducting objects which are electrically connected to the wall. Preliminary measurements of radio frequency currents in the scape off layer were performed using a specially designed Rogowski coil.

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Ecole Royale Militaire
Avenue de la Renaissance 30
1040 Bruxelles
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