TY - JOUR
T1 - Attenuation measurement of an atomic hydrogen beam as a diagnostic technique to determine the light impurity content of a plasma
AU - Hublet, M. C.
AU - Van Wassenhove, G.
AU - Desoppere, E.
AU - Jadoul, M.
AU - Van Oost, G.
PY - 1988
Y1 - 1988
N2 - The attenuation of a low intensity atomic hydrogen or deuterium beam, injected into the plasma of the ERASMUS Tokamak, was investigated during the whole duration of the discharge, as a function of the beam energy (3-15 keV) and of the radial position of the injection chord. The comparison with attenuations calculated from impurity models adapted to the ERASMUS plasma allows the evaluation of the content of oxygen assuming that this is the only light impurity. The sensitivity of the diagnostic was tested by injection of test impurities, such as oxygen and helium, and during RF heating in the ion-cyclotron range of frequencies.
AB - The attenuation of a low intensity atomic hydrogen or deuterium beam, injected into the plasma of the ERASMUS Tokamak, was investigated during the whole duration of the discharge, as a function of the beam energy (3-15 keV) and of the radial position of the injection chord. The comparison with attenuations calculated from impurity models adapted to the ERASMUS plasma allows the evaluation of the content of oxygen assuming that this is the only light impurity. The sensitivity of the diagnostic was tested by injection of test impurities, such as oxygen and helium, and during RF heating in the ion-cyclotron range of frequencies.
UR - https://www.scopus.com/pages/publications/36149031003
U2 - 10.1088/0741-3335/30/7/002
DO - 10.1088/0741-3335/30/7/002
M3 - Article
AN - SCOPUS:36149031003
SN - 0741-3335
VL - 30
SP - 829
EP - 842
JO - Plasma Physics and Controlled Fusion
JF - Plasma Physics and Controlled Fusion
IS - 7
M1 - 002
ER -