The design and simulation of a cusp electron beam source for a W-band Gyro-BWO experiment

Donaldson, Craig and He, Wenlong and Phelps, Alan and Cross, Adrian and Ronald, Kevin (2007) The design and simulation of a cusp electron beam source for a W-band Gyro-BWO experiment. In: Eighth IEEE international vacuum electronics conference. IEEE International Vacuum Electronics Conference IVEC . IEEE, New York, pp. 273-274. ISBN 9781424406333

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Abstract

Presented is the design of a cusp electron gun that is be used in a Gyrotron-Backward Wave Oscillator which is operating in the W-Band (75 - 110 GHz) frequency range. A cusp gun uses a non-adiabatic magnetic field reversal to impart azimuthal motion on an electron beam forming an axis-encircling beam. The cusp gun was designed to generate a beam of 2A at 40kV with a pitch factor of 1.65, in order to operate at a centre frequency of 94GHz. The beam had an axial velocity spread of 7.4% with a beam radius spread of 12.2% and alpha spread of 10.1

Author(s):Donaldson, Craig, He, Wenlong, Phelps, Alan, Cross, Adrian and Ronald, Kevin
Item type:Book Section
ID code:32577
Keywords:high power microwave , cusp electron gun, Gyro-BWO, W-band, electron beam source, axis-encircling beam, large-orbit electron beam , Physics
Subjects:Science > Physics
Department:Faculty of Science > Physics
Depositing user: Pure Administrator
Date deposited:11 Aug 2011 14:50
Last modified:03 Jan 2019 12:48
URI:https://strathprints.strath.ac.uk/id/eprint/32577
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