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Spatially Resolved Energy Analyzer Measurements of an Ion Beam on the Low Potential Side of a Current-free Double-layer

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Charles, Christine

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Spatially resolved measurements of a supersonic Ar+ ion beam are obtained using a movable retarding field energy analyzer positioned on the low potential side of a current-free helicon double-layer (DL). The DL is generated near the open end of the helicon source where the fairly "collisionless" argon plasma is expanding in a diverging magnetic field for a radio frequency power of 250 W and a pressure of about 0.35 mtorr. The potential drop of the DL induces ion acceleration and the formation...[Show more]

dc.contributor.authorCharles, Christine
dc.date.accessioned2015-12-13T22:54:53Z
dc.identifier.issn0093-3813
dc.identifier.urihttp://hdl.handle.net/1885/82297
dc.description.abstractSpatially resolved measurements of a supersonic Ar+ ion beam are obtained using a movable retarding field energy analyzer positioned on the low potential side of a current-free helicon double-layer (DL). The DL is generated near the open end of the helicon source where the fairly "collisionless" argon plasma is expanding in a diverging magnetic field for a radio frequency power of 250 W and a pressure of about 0.35 mtorr. The potential drop of the DL induces ion acceleration and the formation of an ion beam which propagates downstream of the DL. An image showing the ion beam spatial properties 12 cm downstream of the DL is presented.
dc.publisherInstitute of Electrical and Electronics Engineers (IEEE Inc)
dc.sourceIEEE Transactions on Plasma Science
dc.subjectKeywords: Argon; Electric currents; Image analysis; Ion beams; Magnetic field effects; Particle beam dynamics; Plasma sources; Pressure effects; Current free double layer; Expanding plasma; Ion acceleration; Spatially resolved energy analyzer measurements; Superson Double-layer; Energy analyzer; Expanding
dc.titleSpatially Resolved Energy Analyzer Measurements of an Ion Beam on the Low Potential Side of a Current-free Double-layer
dc.typeJournal article
local.description.notesImported from ARIES
local.description.refereedYes
local.identifier.citationvolume33
dc.date.issued2005
local.identifier.absfor020204 - Plasma Physics; Fusion Plasmas; Electrical Discharges
local.identifier.ariespublicationMigratedxPub10565
local.type.statusPublished Version
local.contributor.affiliationCharles, Christine, College of Physical and Mathematical Sciences, ANU
local.description.embargo2037-12-31
local.bibliographicCitation.issue2
local.bibliographicCitation.startpage336
local.bibliographicCitation.lastpage337
local.identifier.doi10.1109/TPS.2005.844958
dc.date.updated2015-12-11T11:06:53Z
local.identifier.scopusID2-s2.0-18844449661
CollectionsANU Research Publications

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