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Technical Paper

Progress in the Development of the ITER ECE Diagnostic

V. S. UdintsevITER Organization, Route de Vinon CS 90 046, 13067 St. Paul-lez-Durance Cedex, France

G. VayakisITER Organization, Route de Vinon CS 90 046, 13067 St. Paul-lez-Durance Cedex, France

A. E. CostleyITER Organization, Route de Vinon CS 90 046, 13067 St. Paul-lez-Durance Cedex, France

K. M. PatelITER Organization, Route de Vinon CS 90 046, 13067 St. Paul-lez-Durance Cedex, France

C. S. PitcherITER Organization, Route de Vinon CS 90 046, 13067 St. Paul-lez-Durance Cedex, France

C. I. WalkerITER Organization, Route de Vinon CS 90 046, 13067 St. Paul-lez-Durance Cedex, France

M. J. WalshITER Organization, Route de Vinon CS 90 046, 13067 St. Paul-lez-Durance Cedex, France

M. BenchikhouneITER Organization, Route de Vinon CS 90 046, 13067 St. Paul-lez-Durance Cedex, France

D. BoraITER Organization, Route de Vinon CS 90 046, 13067 St. Paul-lez-Durance Cedex, France

A. DammannITER Organization, Route de Vinon CS 90 046, 13067 St. Paul-lez-Durance Cedex, France

M. A. HendersonITER Organization, Route de Vinon CS 90 046, 13067 St. Paul-lez-Durance Cedex, France

B. LevesyITER Organization, Route de Vinon CS 90 046, 13067 St. Paul-lez-Durance Cedex, France

A. TesiniITER Organization, Route de Vinon CS 90 046, 13067 St. Paul-lez-Durance Cedex, France

S. DananiInstitute for Plasma Research, Bhat, Gandhinagar-382 428 India

H. PandyaInstitute for Plasma Research, Bhat, Gandhinagar-382 428 India

P. VasuInstitute for Plasma Research, Bhat, Gandhinagar-382 428 India

M. E. AustinFusion Research Center, The University of Texas at Austin, Austin, Texas

P. E. PhillipsFusion Research Center, The University of Texas at Austin, Austin, Texas

W. L. RowanFusion Research Center, The University of Texas at Austin, Austin, Texas

R. FederPrinceton Plasma Physics Laboratory, Princeton University, Princeton, New Jersey

D. JohnsonPrinceton Plasma Physics Laboratory, Princeton University, Princeton, New Jersey

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Abstract

This paper explains the present status of the ITER electron cyclotron emission (ECE) diagnostic and gives an outlook on the upcoming technical and design activity. The open questions of calibration and stability of ECE systems, as well as proposals for the calibration, the design of the front end, and the transmission line are reviewed. The possible role of ECE in the neoclassical tearing mode detection and stabilization by electron cyclotron heating is also discussed. Because integration of the ITER ECE diagnostic within the tokamak requires proper definition of interfaces with many different components located both in-vessel and ex-vessel, a special attention is paid to address the associated issues.

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Progress in the Development of the ITER ECE Diagnostic

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Progress in the Development of the ITER ECE Diagnostic

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