About: Plasma tomographic reconstruction from tangentially viewing camera with background subtraction

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An Entity of Type : http://linked.opendata.cz/ontology/domain/vavai/Vysledek, within Data Space : linked.opendata.cz associated with source document(s)

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Light reflections are one of the main and often underestimated issues of plasma emissivity reconstruction in visible light spectral range. Metallic and other specular components of tokamak generate systematic errors in the optical measurements that could lead to wrong interpretation of data. Our analysis is performed at data from the tokamak COMPASS. It is a D-shaped tokamak with specular metallic vessel and possibility of the H-mode plasma. Data from fast visible light camera were used for tomographic reconstruction with background reflections subtraction to study plasma boundary. In this article, we show that despite highly specular tokamak wall, it is possible to obtain a realistic reconstruction. The developed algorithm shows robust results despite of systematic errors in the optical measurements and calibration. The motivation is to obtain an independent estimate of the plasma boundary shape. Light reflections are one of the main and often underestimated issues of plasma emissivity reconstruction in visible light spectral range. Metallic and other specular components of tokamak generate systematic errors in the optical measurements that could lead to wrong interpretation of data. Our analysis is performed at data from the tokamak COMPASS. It is a D-shaped tokamak with specular metallic vessel and possibility of the H-mode plasma. Data from fast visible light camera were used for tomographic reconstruction with background reflections subtraction to study plasma boundary. In this article, we show that despite highly specular tokamak wall, it is possible to obtain a realistic reconstruction. The developed algorithm shows robust results despite of systematic errors in the optical measurements and calibration. The motivation is to obtain an independent estimate of the plasma boundary shape. (en)
Title	Plasma tomographic reconstruction from tangentially viewing camera with background subtraction Plasma tomographic reconstruction from tangentially viewing camera with background subtraction (en)
skos:prefLabel	Plasma tomographic reconstruction from tangentially viewing camera with background subtraction Plasma tomographic reconstruction from tangentially viewing camera with background subtraction (en)
skos:notation	RIV/61389021:_____/14:00435638!RIV15-GA0-61389021
http://linked.open...avai/riv/aktivita	I P
http://linked.open...avai/riv/aktivity	I, P(GAP205/10/2055)
http://linked.open...iv/cisloPeriodika	1
http://linked.open...vai/riv/dodaniDat	2015
http://linked.open...aciTvurceVysledku	Weinzettl, Vladimír Mlynář, Jan Háček, Pavel
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Ústav fyziky plazmatu AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	36787
http://linked.open...ai/riv/idVysledku	RIV/61389021:_____/14:00435638
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	X-ray tomography; edge turbulence; tokamak; NSTX; TCV; COMPASS (en)
http://linked.open.../riv/klicoveSlovo	TCV edge turbulence NSTX tokamak X-ray tomography COMPASS
http://linked.open...odStatuVydavatele	US - Spojené státy americké
http://linked.open...ontrolniKodProRIV	[C88438F25D17]
http://linked.open...i/riv/nazevZdroje	Review of Scientific Instruments
http://linked.open...in/vavai/riv/obor	BL
http://linked.open...ichTvurcuVysledku	3 (xsd:int)
http://linked.open...cetTvurcuVysledku	9 (xsd:int)
http://linked.open...vavai/riv/projekt	Numerical analyses and physical interpretation of the ITER-relevant experimental data from the Joint European Torus JET
http://linked.open...UplatneniVysledku	2014
http://linked.open...v/svazekPeriodika	85
http://linked.open...iv/tvurceVysledku	Berta, M. Weinzettl, Vladimír Mlynář, Jan Háček, Pavel Odstrčil, T. Bencze, A. Szabolics, T. Odstrčil, M. Verdoolaege, G.
http://linked.open...ain/vavai/riv/wos	000331217300030
issn	0034-6748
number of pages	6 (xsd:int)
http://bibframe.org/vocab/doi	10.1063/1.4862652

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