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The possibility of measuring the plasma ion temperature was considered in the proposal for a Thomson scattering diagnostic for fast ions and alpha particles in JET, using a gyrotron. The possibility of measuring the bulk ion feature is examined, because the proposed diagnostic could give detailed information on the ion dynamics through the measurement of the spatial ion temperature profile, possibly resolved in time. The predicted error on the ion temperature as measured by this diagnostic is of the order of 15%, the spatial resolution should be a few cm and the temporal resolution is of the order of 10 msec.

Additional information

Authors: ORSITTO F, ENEA, Centro Ricerche Energia Frascati, Roma (IT)
Bibliographic Reference: Report: JET-R(90)05 EN (1990) 42 pp.
Availability: Available from the Publications Officer, JET Joint Undertaking, Abingdon, Oxon. OX14 3EA (GB)
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