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Persistent URL http://purl.org/net/epubs/work/32035944
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Record Id 32035944
Title A Gas-filled Capillary Based Plasma Source for Wakefield Experiments
Contributors
Abstract A plasma medium can be formed when a gas is dis­charged via an ap­plied high volt­age within a cap­il­lary tube. A high volt­age dis­charge based plasma source for plasma wake- field ac­cel­er­a­tion ex­per­i­ment is being de­vel­oped. De­sign con­sid­ered a glass cap­il­lary tube with var­i­ous inner radii. Glass was pre­ferred to sap­phire or quartz op­tions to ease the ma­chin­ing. Elec­trodes will be at­tached to the tube using a sealant re­sis­tant to high vac­uum con­di­tions and bak­ing at high tem­per­a­tures. Each elec­trode will be iso­lated from the neigh­bour­ing one using nuts or wash­ers from a ther­mo­plas­tic poly­mer in­su­la­tor ma­te­r­ial to pre­vent un­wanted spark­ing out­side of the tube. In this paper, gen­eral de­sign con­sid­er­a­tions and pos­si­ble work­ing points of this plasma source are pre­sented for a range of plasma den­si­ties from 1×1020 to 1×1022 m−3. Con­sid­er­a­tion was also given to plasma den­sity di­ag­nos­tic tech­niques due to crit­i­cal de­pen­dence of ac­cel­er­at­ing gra­di­ent on plasma den­sity.
Organisation CI , STFC
Keywords
Funding Information Supported by the University of Manchester Strategic Grant.
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Language English (EN)
Type Details URI(s) Local file(s) Year
Paper In Conference Proceedings In 7th International Particle Accelerator Conference (IPAC'16), Busan, Korea, 8-13 May 2016, (2016): 2613. http://accelconf.…/papers/wepmy026.pdf 2016
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