Y. Raitses, D. Staack
Use of a segmented electrode placed at the Hall thruster exit can substantially reduce the voltage potential drop in the fringing magnetic field outside the thruster channel. In this paper we investigate the dependence of this effect on thruster operating conditions and segmented electrode configuration. A fast movable emissive probe is used to measure plasma potential in a 1 kW laboratory Hall thruster with segmented electrodes made of a graphite material. Relatively small probe-induced perturbations of the thruster discharge in the vicinity of the thruster exit allow a reasonable comparison of the measured results for different thruster configurations. It is shown that the plasma potential distribution is almost not sensitive to changes of the electrode potential, but depends on the magnetic field distribution and the electrode placement.
@article{2dc1d75c-7d8c-4286-800d-ba05dea86092,
title={Measurements of Plasma Potential Distrib},
author={Y. Raitses and D. Staack},
year={2026},
language={en}
}TY - JOUR TI - Measurements of Plasma Potential Distrib AU - Y. Raitses AU - D. Staack PY - 2026 LA - en ER -
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