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Axis-encircling electron beam generation using a smooth magnetic cusp for gyrodevices

He, W. and Whyte, C.G. and Rafferty, E.G. and Cross, A.W. and Phelps, A.D.R. and Ronald, K. and Young, A.R. and Robertson, C.W. (2008) Axis-encircling electron beam generation using a smooth magnetic cusp for gyrodevices. Applied Physics Letters, 93 (12). ISSN 0003-6951

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The generation of an annular-shaped axis-encircling electron beam using a smooth magnetic cusp was studied through numerical simulations and experiments for harmonic operation of a gyrodevice. Two magnetic coils were used to form a magnetic cusp located just downstream from the velvet cathode of an accelerator diode. An electron beam of current 34 A and voltage 130 kV with an adjustable velocity ratio α up to 1.2 was fully transported to the downstream uniform magnetic field region and used to drive a gyrotron traveling wave amplifier into saturation. (Abstract copied from:

Item type: Article
ID code: 17031
Notes: Strathprints' policy is to record up to 8 authors per publication, plus any additional authors based at the University of Strathclyde. More authors may be listed on the official publication than appear in the Strathprints' record. -
Keywords: axis-encircling, electron beam, generation, smooth magnetic cusp, gyrodevices, Physics, Plasma physics. Ionized gases, Physics and Astronomy (miscellaneous)
Subjects: Science > Physics
Science > Physics > Plasma physics. Ionized gases
Department: Faculty of Science > Physics
Depositing user: Strathprints Administrator
Date Deposited: 09 Apr 2010 09:01
Last modified: 21 May 2015 11:50

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