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Compact high-speed reciprocating probe system for measurements in a Hall thruster discharge and plume

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2 Author(s)
Dannenmayer, K. ; ICARE, CNRS, 1c Avenue de la Recherche Scientifique, 45071 Orléans, France ; Mazouffre, S.

Your organization might have access to this article on the publisher's site. To check, click on this link:http://dx.doi.org/+10.1063/1.4769052 

A compact high-speed reciprocating probe system has been developed in order to perform measurements of the plasma parameters by means of electrostatic probes in the discharge and the plume of a Hall thruster. The system is based on a piezoelectric linear drive that can achieve a speed of up to 350 mm/s over a travel range of 90 mm. Due to the high velocity of the linear drive the probe can be rapidly moved in and out the measurement region in order to minimize perturbation of the thruster discharge due to sputtering of probe material. To demonstrate the impact of the new system, a heated emissive probe, installed on the high-speed translation stage, was used to measure the plasma potential and the electron temperature in the near-field plume of a low power Hall thruster.

Published in:

Review of Scientific Instruments  (Volume:83 ,  Issue: 12 )

Date of Publication:

Dec 2012

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