Observations with fast visible cameras in high power Deuterium plasma experiments in the JET ITER-like wall tokamak

Losada, U.; Manzanares, A.; Balboa, I.; Silburn, S.; Karhunen, J.; Carvalho, Pedro J.; Huber, A.; Huber, V.; Solano, Emilia R.; de la Cal, E.; , JET Contributors

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Observations with fast visible cameras in high power Deuterium plasma experiments in the JET ITER-like wall tokamak

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Title:	Observations with fast visible cameras in high power Deuterium plasma experiments in the JET ITER-like wall tokamak
Author(s):	Losada, U. ; Manzanares, A. ; Balboa, I. ; Silburn, S. ; Karhunen, J. ; Carvalho, Pedro J. ; Huber, A. ; Huber, V. ; Solano, Emilia R. ; de la Cal, E. ; , JET Contributors
Date:	2020-12
Language:	en
Pages:	5
Department:	CIEMAT Culham Science Centre Department of Applied Physics Universidade Lisboa Forschungszentrum Jülich
Series:	Nuclear Materials and Energy, Volume 25
ISSN:	2352-1791
DOI-number:	10.1016/j.nme.2020.100837
Keywords:	Edge Localized Modes, High speed visible imaging, JET ITER-like wall, Scrape-off layer
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Citation: Losada , U , Manzanares , A , Balboa , I , Silburn , S , Karhunen , J , Carvalho , P J , Huber , A , Huber , V , Solano , E R , de la Cal , E & JET Contributors 2020 , ' Observations with fast visible cameras in high power Deuterium plasma experiments in the JET ITER-like wall tokamak ' , Nuclear Materials and Energy , vol. 25 , 100837 . https://doi.org/10.1016/j.nme.2020.100837
Abstract: High speed visible imaging allows to visualize the 2-dimensional dynamics of fast phenomena in the boundary layer of fusion plasmas. Here we describe the two high speed visible cameras currently operating in the JET tokamak, enabling the simultaneous observation of a large fraction of the JET tokamak vacuum vessel with the appropriate configuration for many different plasma phenomena. As an example we discuss recent observations on the spatial and temporal dynamics of visible emission at the outer wall during Edge Localized Modes (ELMs) and the penetration of Shattered Injected Pellet (SPI) into the plasma.

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