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Coherence imaging of scrape-off-layer and divertor impurity flows in the Mega Amp Spherical Tokamak (invited)a)

Silburn, S. A.; Harrison, J. R.; Howard, J.; Gibson, K. J.; Meyer, H.; Michael, C. A.; Sharples, R. M.


A new coherence imaging Doppler spectroscopy diagnostic has been deployed on the UK's Mega Amp Spherical Tokamak for scrape-off-layer and divertor impurity flow measurements. The system has successfully obtained 2D images of C III, C II, and He II line-of-sight flows, in both the lower divertor and main scrape-off-layer. Flow imaging has been obtained at frame rates up to 1 kHz, with flow resolution of around 1 km/s and spatial resolution better than 1 cm, over a 40° field of view. C III data...[Show more]

CollectionsANU Research Publications
Date published: 2014-08-01
Type: Journal article
Source: Review of Scientific Instruments
DOI: 10.1063/1.4891165


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