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TY - CONF AU - Mete Apsimon, O. AU - Hanahoe, K. AU - Pacey, T.H. AU - Xia, G.X. ED - Schaa, Volker RW ED - Petit-Jean-Genaz, Christine ED - Ko, In Soo ED - Kim, Dong Eon ED - Kim, Kyung Sook TI - A Gas-filled Capillary Based Plasma Source for Wakefield Experiments J2 - Proc. of IPAC2016, Busan, Korea, May 8-13, 2016 C1 - Busan, Korea T2 - International Particle Accelerator Conference T3 - 7 LA - english AB - 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^{&}#8722;3. Consideration was also given to plasma density diagnostic techniques due to critical dependence of accelerating gradient on plasma density. PB - JACoW CP - Geneva, Switzerland SP - 2613 EP - 2616 KW - plasma KW - vacuum KW - high-voltage KW - experiment KW - simulation DA - 2016/06 PY - 2016 SN - 978-3-95450-147-2 DO - 10.18429/JACoW-IPAC2016-WEPMY026 UR - http://jacow.org/ipac2016/papers/wepmy026.pdf ER -