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In situ wavelength calibration of the edge CXS spectrometers on JET
EUROfus Consortium, JET, Culham Sci Ctr, Abingdon OX14 3DB, Oxon, England.;FOM Inst DIFFER, NL-3430 BE Nieuwegein, Netherlands..
KTH, School of Electrical Engineering and Computer Science (EECS), Electrical Engineering, Fusion Plasma Physics.
KTH, School of Electrical Engineering and Computer Science (EECS), Electrical Engineering, Fusion Plasma Physics.
KTH, School of Electrical Engineering and Computer Science (EECS), Electrical Engineering, Fusion Plasma Physics.
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Number of Authors: 11092016 (English)In: Review of Scientific Instruments, ISSN 0034-6748, E-ISSN 1089-7623, Vol. 87, no 11, article id 11E525Article in journal (Refereed) Published
Abstract [en]

A method for obtaining an accurate wavelength calibration over the entire focal plane of the JET edge CXS spectrometers is presented that uses a combination of the fringe pattern created with a Fabry-Perot etalon and a neon lamp for cross calibration. The accuracy achieved is 0.03 angstrom, which is the same range of uncertainty as when neglecting population effects on the rest wavelength of the CX line. For the edge CXS diagnostic, this corresponds to a flow velocity of 4.5 km/s in the toroidal direction or 1.9 km/s in the poloidal direction.

Place, publisher, year, edition, pages
AMER INST PHYSICS , 2016. Vol. 87, no 11, article id 11E525
National Category
Fusion, Plasma and Space Physics
Identifiers
URN: urn:nbn:se:kth:diva-270604DOI: 10.1063/1.4960306ISI: 000390242300240PubMedID: 27910676Scopus ID: 2-s2.0-84982084472OAI: oai:DiVA.org:kth-270604DiVA, id: diva2:1413505
Conference
21st Topical Conference on High-Temperature Plasma Diagnostics, JUN 05-09, 2016, Madison, WI
Note

QC 20200310

Available from: 2020-03-10 Created: 2020-03-10 Last updated: 2020-03-10Bibliographically approved

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Bergsåker, HenricBykov, IgorElevant, ThomasFrassinetti, LorenzoGarcia-Carrasco, AlvaroHellsten, TorbjörnIvanova, DaryaJohnson, ThomasMenmuir, SheenaPetersson, PerRachlew, ElisabethRubel, MarekStröm, PetterTholerus, EmmiWeckmann, Armin
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