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Development of a Thomson Scattering Diagnostic System for the TCABR Tokamak

Grant number: 07/00984-0
Support Opportunities:Scholarships in Brazil - Post-Doctorate
Effective date (Start): January 01, 2008
Effective date (End): December 31, 2010
Field of knowledge:Physical Sciences and Mathematics - Physics - Physics of Fluids, Plasma Physics and Electrical Discharge
Principal Investigator:Ricardo Magnus Osório Galvão
Grantee:Fábio de Oliveira Borges
Host Institution: Instituto de Física (IF). Universidade de São Paulo (USP). São Paulo , SP, Brazil
Associated research grant:02/03632-3 - Alfvén wave heating, improved confinement regimes, and stability studies in the Tcabr Tokamak, AP.TEM


In this project, a system to measure the electron temperature through Thomson scattering will be developed for the TCABR tokamak. The system will be based upon a Nd-glass laser (wavelength = 1054 nm), with 30J maximunm energy and 20 ns pulse duration. The laser and the principal components of the system have been provided by the "Centro de Fusão Nuclear", of "Instituto Superior Técnico", Lisbon, within a collaboration agreement between that Institute and the "Instituto de Física" of "Universidade de São Paulo". The system will be initially employed to determine the plasma heating by absorption of Alfvén waves, to confirm preliminary results of previous experiments, in which the temperature increase was determined through the cyclotron emission of electrons.

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