NDLI: Extraction of an intense neutralized ion beam from a plasma

Content Provider	IEEE Xplore Digital Library
Author	Verdeyen, J.T. Johnson, G.B. Kaye, R.J.
Copyright Year	1977
Description	Author affiliation: Gaseous Electron. Lab., Univ. of Illinois, Urbana, IL, USA (Verdeyen, J.T.; Johnson, G.B.; Kaye, R.J.)
Abstract	If ions are to be used for pellet fusion, it is essential that the ions start the acceleration process with low initial angular momentum. This implies that the ions be extracted from a plasma with low ion temperatures. Two types of target plasmas have been utilized: a pulsed hollow cathode discharge in a low pressure background gas of helium, and a plasma formed by the ablation of a nylon mesh attached to the downstream side of the anode. The anode was pulsed positive by a Nereus accelerator to ~ 400 kV. Time-of-flight data from biased probes and scintillators indicate average ion energies close to that of the anode voltage. By using a crude focussing geometry, we have also observed the ions to focus to roughly 1 cm in diameter. Some evidence for temporal focussing (bunching) has been observed.
Sponsorship	ERDA
Starting Page	157
Ending Page	166
File Size	1083827
Page Count	10
File Format	PDF
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1977-10-03
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Physics
Subject Keyword	Particle beams Space charge Ions Discharges (electric) Plasmas Acceleration Anodes
Content Type	Text
Resource Type	Article

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Extraction of an intense neutralized ion beam from a plasma