Poloidal polarimeter for current density measurements in ITER

Donné, A. J. H.; Prunty, S.; Nyhan, C.; Zilli, E.; McCarthy, P.; Gavinato, M.; Spillane, M.; Giudicotti, L.; Graswinckel, M. F.; Gil, C.; Koslowski, H. R.

doi:10.1063/1.1804372

Journal Article

Poloidal polarimeter for current density measurements in ITER

Donné, A. J. H. ; Graswinckel, M. F. ; Gavinato, M. ; Giudicotti, L. ; Zilli, E. ; Gil, C. ; Koslowski, H. R.FZJ* ; McCarthy, P. ; Nyhan, C. ; Prunty, S. ; Spillane, M.

2004
American Institute of Physics [S.l.]

Review of scientific instruments 75, 4694 - 4701 (2004) [10.1063/1.1804372]

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Please use a persistent id in citations: http://hdl.handle.net/2128/16773 doi:10.1063/1.1804372

Abstract: One of the systems envisaged for measuring the current density profile in the ITER is a 118 mum poloidal polarimeter system. The proposed system has two independent views: one fan of chords observes the plasma via an equatorial port and a second fan views down from an upper port. This article will present the status of the on-going work and will address issues as sensitivity and accuracy, refraction, Gaussian beam ray-tracing, alignment, and calibration as well as some specific design details. (C) 2004 American Institute of Physics.

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