NDLI: Ion-ion plasma in propulsion and processing applications

Content Provider	IEEE Xplore Digital Library
Author	Oudini, N. Meige, A. Chabert, P. Aanesland, A.
Copyright Year	2012
Description	Author affiliation: Laboratoire de Physique des Plasmas (LPP), Ecole Polytechnique, Palaiseau, Cedex 91128 France (Oudini, N.; Meige, A.; Chabert, P.; Aanesland, A.)
Abstract	Summary form only given. Plasma thrusters were developed in the 1970's with the aim, among other, to correct the orbit of satellites. Their operation is based on the extraction and acceleration of an ion beam from a plasma in order to provide thrust. Usually, the plasma used in these ion sources is electro-positive. The extracted ion beam forms a positive space charge and current that are usually neutralized by electrons. The disadvantage of these thrusters is that the electron-ion recombination is inefficient and part of the extracted ions can therefore interacts with the satellite causing damage. The $PEGASES^{1}$ thruster is developed in order to get rid of this constraint. In the PEGASES ion source, the ion beam is extracted from an electro-negative plasma which contains almost no electrons (ion-ion plasma). The positive and the negative ions are extracted successively, by alternatively polarized grids, leading to a neutral ion beam. The ion-ion recombination, which is significantly more efficient than electron-ion recombination, induces a rapid decrease of the charged particle density in the beam and might reduce significantly the damage induced by the extracted beam to the satellite.
File Size	78352
File Format	PDF
ISBN	9781457721274
ISSN	07309244
e-ISBN	9781457721298
e-ISBN	9781457721281
DOI	10.1109/PLASMA.2012.6383983
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-07-08
Publisher Place	United Kingdom
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Plasmas Ion beams Satellites Spontaneous emission Propulsion Ion sources
Content Type	Text
Resource Type	Article
Subject	Atomic and Molecular Physics, and Optics Condensed Matter Physics Electrical and Electronic Engineering

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