About: Progresses in development of the ITER edge Thomson scattering system

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	This paper includes discussions of spatial resolution and accuracy of the edge Thomson scattering system in ITER (ITER ETS). In the present design, the dominant factor for spatial resolution degradation relative to the scattering length is aberrations of the collection optics. A scattering length of approximately 4 mm is acceptable to obtain a spatial resolution of 5 mm. Statistical errors were evaluated according to measurement accuracy. Since the background light during ITER plasma discharge is much stronger than the Thomson scattering, the laser pulse duration is one of the most crucial specifications to obtain accurate measurements. The impact of fast sampling relative to current integration was also investigated. It is expected that the measurement accuracy improves when the waveform of the scattered light is sampled directly particularly for low density measurement. This paper includes discussions of spatial resolution and accuracy of the edge Thomson scattering system in ITER (ITER ETS). In the present design, the dominant factor for spatial resolution degradation relative to the scattering length is aberrations of the collection optics. A scattering length of approximately 4 mm is acceptable to obtain a spatial resolution of 5 mm. Statistical errors were evaluated according to measurement accuracy. Since the background light during ITER plasma discharge is much stronger than the Thomson scattering, the laser pulse duration is one of the most crucial specifications to obtain accurate measurements. The impact of fast sampling relative to current integration was also investigated. It is expected that the measurement accuracy improves when the waveform of the scattered light is sampled directly particularly for low density measurement. (en)
Title	Progresses in development of the ITER edge Thomson scattering system Progresses in development of the ITER edge Thomson scattering system (en)
skos:prefLabel	Progresses in development of the ITER edge Thomson scattering system Progresses in development of the ITER edge Thomson scattering system (en)
skos:notation	RIV/61389021:_____/13:00421129!RIV14-AV0-61389021
http://linked.open...avai/riv/aktivita	I
http://linked.open...avai/riv/aktivity	I
http://linked.open...iv/cisloPeriodika	12
http://linked.open...vai/riv/dodaniDat	2014
http://linked.open...aciTvurceVysledku	Böhm, Petr Bílková, Petra Aftanas, Milan
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	100190
http://linked.open...ai/riv/idVysledku	RIV/61389021:_____/13:00421129
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Data processing methods; Plasma diagnostics - iterferometry; spectroscopy and imaging (en)
http://linked.open.../riv/klicoveSlovo	spectroscopy and imaging Plasma diagnostics Data processing methods
http://linked.open...odStatuVydavatele	GB - Spojené království Velké Británie a Severního Irska
http://linked.open...ontrolniKodProRIV	[FF0C3335918B]
http://linked.open...i/riv/nazevZdroje	Journal of Instrumentation
http://linked.open...in/vavai/riv/obor	BL
http://linked.open...ichTvurcuVysledku	3 (xsd:int)
http://linked.open...cetTvurcuVysledku	13 (xsd:int)
http://linked.open...UplatneniVysledku	2013
http://linked.open...v/svazekPeriodika	8
http://linked.open...iv/tvurceVysledku	Aftanas, Milan Bílková, Petra Böhm, Petr Scannell, R. Walsh, M. Huxford, R. Bassan, M. Hatae, T. Ishikawa, M. Itami, K. Shimada, T. Vayakis, G. Yatsuka, E.
http://linked.open...ain/vavai/riv/wos	000329910500001
issn	1748-0221
number of pages	12 (xsd:int)
http://bibframe.org/vocab/doi	10.1088/1748-0221/8/12/C12001

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