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Using an emissive probe to measure time-averaged plasma potential in a Hall thruster discharge
1 : Institut de Combustion Aérothermique Réactivité et Environnement
(ICARE)
-
Website
CNRS : UPR3021
1C Av. de la Recherche Scientifique 45071 ORLEANS cedex 2 -
France
2 : Charles University Prague
An emissive probe is a easily-built, smart and efficient diagnostics for measuring both the plasma and the floating potential. For maxwellian electrons, an estimation of the electron temperature can be deduced from the previous quantities. Measurements are performed in the plume of a Hall thruster in order to define the limit of this diagnostics and to optimize it. Finally a comparison with LIF measurements is performed.
