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Abstract

The parameters predicted for the core of ITER plasmas are sufficiently different from those of existing tokamaks that a re-evaluation of the physics basis of ECE measurements is required. This is particularly important in the light of the detailed, and demanding, targets for the measurement of these parameters which have been set in the ITER design. This paper examines quantitatively the localisation of ECE T(e) measurements in the core and edge plasma, as well as the problem of access to the plasma centre at high T(e). It is concluded that while ECE is able to provide good measurements of T(e) for a wide variety of plasma conditions, the limitations need to be analysed in detail. The possible potential of ECA as a divertor plasma diagnostic is also considered.

Additional information

Authors: BARTLETT D V, JET Joint Undertaking, Abingdon, Oxon. (GB)
Bibliographic Reference: Report : JET-P(95)46 EN (1995) 10 pp.
Availability: Available from the Publications Officer, JET Joint Undertaking, Abingdon, Oxon. OX14 3EA (GB)
Record Number: 199511644 / Last updated on: 1995-12-12
Category: PUBLICATION
Original language: en
Available languages: en
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