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Visible light tomography of MHD eigenmodes in the H-1NF stellarator using magnetic coordinates

Haskey, Shaun; Blackwell, Boyd; Seiwald, Bernhard; Howard, John


A tomographic reconstruction technique is described for the inversion of a set of limited-angle high-resolution 2D visible light emission projections of global MHD eigenmodes in the H-1NF heliac. The technique is well suited to limited viewing access in toroidal devices and the strong shaping of optimized stellarator/heliotron configurations. Fluctuations are represented as a finite sum of Fourier modes characterized by toroidal and poloidal mode numbers having fixed amplitude and phase in a...[Show more]

CollectionsANU Research Publications
Date published: 2014
Type: Journal article
Source: Nuclear Fusion
DOI: 10.1088/0029-5515/54/8/083031


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