About: Outline of optical design and viewing geometry for divertor Thomson scattering on MAST upgrade

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	The super-X divertor on MAST Upgrade will be diagnosed by a Thomson scattering diagnostic. A preliminary design of the collection optics and calculations of the diagnostic's performance are discussed in this paper. As part of the design the location and size of the collection cell were optimized to minimize vignetting, especially in the region of interest close to the divertor strike point. The design process was complicated by the limited access available in the closed divertor geometry. In the study of the diagnostic's performance, the radial resolution, projection of the laser image onto the fiber bundle, and impact of depth of field with a multiple laser system were investigated. In this design there is a trade-off between the resolution of the system and the lifetime of the beam dump. For this reason the beam has its focal point at the start of the viewing region and diverges in width to approximately five millmetrs near the divertor tile. The effect of this large variation The super-X divertor on MAST Upgrade will be diagnosed by a Thomson scattering diagnostic. A preliminary design of the collection optics and calculations of the diagnostic's performance are discussed in this paper. As part of the design the location and size of the collection cell were optimized to minimize vignetting, especially in the region of interest close to the divertor strike point. The design process was complicated by the limited access available in the closed divertor geometry. In the study of the diagnostic's performance, the radial resolution, projection of the laser image onto the fiber bundle, and impact of depth of field with a multiple laser system were investigated. In this design there is a trade-off between the resolution of the system and the lifetime of the beam dump. For this reason the beam has its focal point at the start of the viewing region and diverges in width to approximately five millmetrs near the divertor tile. The effect of this large variation (en)
Title	Outline of optical design and viewing geometry for divertor Thomson scattering on MAST upgrade Outline of optical design and viewing geometry for divertor Thomson scattering on MAST upgrade (en)
skos:prefLabel	Outline of optical design and viewing geometry for divertor Thomson scattering on MAST upgrade Outline of optical design and viewing geometry for divertor Thomson scattering on MAST upgrade (en)
skos:notation	RIV/61389021:_____/13:00421348!RIV14-AV0-61389021
http://linked.open...avai/riv/aktivita	I
http://linked.open...avai/riv/aktivity	I
http://linked.open...iv/cisloPeriodika	11
http://linked.open...vai/riv/dodaniDat	2014
http://linked.open...aciTvurceVysledku	Böhm, Petr
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	94899
http://linked.open...ai/riv/idVysledku	RIV/61389021:_____/13:00421348
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Plasma diagnostics - interferometry; Spectroscopy and imaging; Optics; Plasma diagnostics - charged-particle spectroscopy (en)
http://linked.open.../riv/klicoveSlovo	Spectroscopy and imaging Plasma diagnostics Optics
http://linked.open...odStatuVydavatele	GB - Spojené království Velké Británie a Severního Irska
http://linked.open...ontrolniKodProRIV	[10871AF65F9D]
http://linked.open...i/riv/nazevZdroje	Journal of Instrumentation
http://linked.open...in/vavai/riv/obor	BL
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	5 (xsd:int)
http://linked.open...UplatneniVysledku	2013
http://linked.open...v/svazekPeriodika	8
http://linked.open...iv/tvurceVysledku	Böhm, Petr Scannell, R. Harrison, J. Hawke, J. Huxford, R.
http://linked.open...ain/vavai/riv/wos	000329193500010
issn	1748-0221
number of pages	12 (xsd:int)
http://bibframe.org/vocab/doi	10.1088/1748-0221/8/11/C11010

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