Electrostatic probe apparatus for measurements in the near-anode region of Hall thrusters

L. Dorf, Y. Raitses, N. J. Fisch

Research output: Contribution to journalArticle

29 Scopus citations

Abstract

An electrostatic probe apparatus that can be used for measurements in the near-anode region of Hall thrusters is discussed. It is found that the near-anode region in Hall thrusters is 1-2 cm long. Electron temperature, plasma density and their variations in the near-anode region are found to be smaller than in the acceleration region. The results show that the diagnostic system integrates the electronic circuitry, specific mechanical design and measurement methods for near-anode measurements.

Original languageEnglish (US)
Pages (from-to)1255-1260
Number of pages6
JournalReview of Scientific Instruments
Volume75
Issue number5 PART 1
DOIs
StatePublished - May 1 2004

All Science Journal Classification (ASJC) codes

  • Instrumentation

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