Velocity-space tomography from synthetic FIDA measurements at EAST

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In the Experimental Advanced Superconducting Tokamak (EAST), a vertically and a tangentially viewing fast-ion D-alpha (FIDA) diagnostics have been installed in order to investigate fast-ion dynamics. This is done by measuring the Doppler-shifted D-alpha light arising due to charge exchange between a neutral beam and the fast ions. By combining measurements from both FIDA instruments, the fast-ion velocity distribution can be obtained by velocity-space tomography. To explore the possibilities and limitations of velocity-space tomography in studying the fast-ion distribution in EAST, we present reconstructions of the fast-ion velocity distribution from synthetic FIDA measurements.

Original languageEnglish
Title of host publication45th EPS Conference on Plasma Physics, EPS 2018
EditorsJ. Berndt, S. Coda, G. Lapenta, C. Michaut, S. Weber, M. Mantsinen
Number of pages4
PublisherEuropean Physical Society
Publication date2018
Pages501-504
Article numberP1.1111
ISBN (Electronic)9781510868441
Publication statusPublished - 2018
Event45th EPS Conference on Plasma Physics - Prague, Czech Republic
Duration: 2 Jul 20186 Jul 2018

Conference

Conference45th EPS Conference on Plasma Physics
CountryCzech Republic
CityPrague
Period02/07/201806/07/2018

ID: 182819637