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Type: Artigo de evento
Title: Reconstruction Activities And First Results From The Thomson Scattering Diagnostic On The Tcabr Tokamak
Author: Alonso M.P.
Figueiredo A.C.A.
Borges F.O.
Leonardo J.
Elizondo J.I.
Severo J.H.F.
Usuriaga O.C.
Sanada E.K.
Galvao R.M.O.
Berni L.A.
MacHida M.
Abstract: An incoherent and infrared Thomson scattering diagnostic (ITS) was transferred from ISTTOK (Lisboa) and reconstructed on TCABR (S. Paulo). In the first phase of this international collaboration, the diagnostic uses a Neodymium:Glass laser with up to 10 Joules per laser pulse and a first generation polychromator with three pairs of interference filters and avalanche photodiodes. It measures 90° scattered radiation in a single volume of observation with a single laser pulse to obtain the instant plasma electron temperature. This paper reports the reconstruction activities already carried out and presents the first experimental results. These activities include: new data model performance, laser refurbishing, new laser delivery system, stray-light reduction in the vacuum vessel, new collection lens and relative diagnostic calibration. A long run of experiments with this diagnostic shows consistency and coherence with the other TCABR diagnostics and gives indications to be able to contribute effectively to the Alfven heating program of this tokamak. © 2010 IOP Publishing Ltd.
Citation: Journal Of Physics: Conference Series. , v. 227, n. , p. - , 2010.
Rights: aberto
Identifier DOI: 10.1088/1742-6596/227/1/012027
Date Issue: 2010
Appears in Collections:Unicamp - Artigos e Outros Documentos

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