Picture of UK Houses of Parliament

Leading national thinking on politics, government & public policy through Open Access research

Strathprints makes available scholarly Open Access content by researchers in the School of Government & Public Policy, based within the Faculty of Humanities & Social Sciences.

Research here is 1st in Scotland for research intensity and spans a wide range of domains. The Department of Politics demonstrates expertise in understanding parties, elections and public opinion, with additional emphases on political economy, institutions and international relations. This international angle is reflected in the European Policies Research Centre (EPRC) which conducts comparative research on public policy. Meanwhile, the Centre for Energy Policy provides independent expertise on energy, working across multidisciplinary groups to shape policy for a low carbon economy.

Explore the Open Access research of the School of Government & Public Policy. Or explore all of Strathclyde's Open Access research...

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

Full text not available in this repository.Request a copy from the Strathclyde author


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