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Motional Stark effect diagnostics for KSTAR

Chung, Jinil; Ko, J; Howard, John; Michael, Clive; Von Nessi, Gregory; Thorman, Alexander; De Bock, M F M


The motional Stark effect (MSE) diagnostic is used to measure the radial magnetic pitch-angle profile in neutral-beam-heated plasmas. The diagnostic relies upon the measurement of the polarization direction of Stark-split D-alpha emission from injected fast neutral atoms in a magnetic field. Measurements of the magnetic pitch angle are used with magnetic equilibrium reconstruction codes such as EFIT to calculate the safety factor in shaped plasmas. The MSE diagnostic is important for...[Show more]

CollectionsANU Research Publications
Date published: 2014
Type: Journal article
Source: Journal of the Korean Physical Society
DOI: 10.3938/jkps.65.1257


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