Published February 1975 | Version v1
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Measuring methods for the TFR plasma diagnostics

Description

The measuring methods in operation or still under development for the diagnostics of the TFR plasma parameters (ion and electron temperatures, electron density, current density are reviewed, the diagnostics of the electrical behavior of the discharge, the neutral gas densities, the impurities and the parameters of the plasma turbulence being also investigated. Actual works are principally devoted to: improving ion temperature measurements by the possible use of the Doppler effect or infra-red incoherent scattering; improving n(e) and T(e) measurement by Thomson scattering; measuring the poloidal field and current density; measuring impurities by X and UV spectroscopy and measuring instabilities and turbulence

Availability note (English)

MF available from INIS under the Report Number.

Abstract (French)

On passe en revue les methodes de mesure mises en oeuvre ou en cours de preparation sur TFR en vue de determiner les principaux parametres du plasma (temperature des ions et des electrons, densite electronique, densite de courant), les caracteristiques de la decharge electrique, les densites de gaz neutre et d'impuretes ainsi que les caracteristiques de la turbulence du plasma. Les efforts actuels portent principalement sur: l'amelioration des mesures de temperature ionique, on pense a l'effet Doppler ou la diffusion incoherente en infra-rouge; l'amelioration de la mesure de n(e) et T(e) par diffusion Thomson; la mesure du champ poloidal et de la densite de courant; la mesure des impuretes par spectroscopie X et UV et la mesure des instabilites et de la turbulence

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Additional details

Additional titles

Original title (French)
Les methodes de mesure pour l'etude du plasma du tokomak T.F.R

Publishing Information

Imprint Pagination
52 p.
Report number
EUR-CEA-FC--764