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An upgrade of the magnetic diagnostic system of the DIII-D tokamak for non-axisymmetric measurements

King, J. D; Strait, E. J; Boivin, R. L; Taussig, D.; Watkins, M. G; Hanson, J. M; Logan, N. C; Paz-Soldan, C.; Pace, D. C; Shiraki, D.; Lanctot, M. J; La Haye, R. J; Lao, L. L; Battaglia, D. J; Sontag, A. C; Haskey, S. R; Bak, J. G


The DIII-D tokamak magnetic diagnostic system [E. J. Strait, Rev. Sci. Instrum. 77, 023502 (2006)] has been upgraded to significantly expand the measurement of the plasma response to intrinsic and applied non-axisymmetric "3D" fields. The placement and design of 101 additional sensors allow resolution of toroidal mode numbers 1 ≤ n ≤ 3, and poloidal wavelengths smaller than MARS-F, IPEC, and VMEC magnetohydrodynamic model predictions. Small 3D perturbations, relative to the equilibrium field...[Show more]

CollectionsANU Research Publications
Date published: 2014
Type: Journal article
Source: Review of Scientific Instruments
DOI: 10.1063/1.4891817


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