Howard, J.; Diallo, A.; Creese, M.; Blackwell, B. D.; Allen, S. L.; Ellis, R. M.; Porter, G. D.; Meyer, W.; Fenstermacher, M. E.; Brooks, N. H.; Van Zeeland, M. E.; Boivin, R. L.
This article describes the results of spatial heterodyne Doppler "coherence imaging" of carbon ion flows in the divertor region of the DIII-D tokamak. Spatially encoded interferometric projections of doubly ionized carbon emission at 465 nm have been demodulated and tomographically inverted to obtain the spatial distribution of the carbon ion parallel flow and emissivity. The operating principles of the new instruments are described, and the link between measured properties and line integrals...[Show more]
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