Updates on a W-band Gyro-BWO using a helically corrugated waveguide experiment
Donaldson, Craig R. and He, Wenlong and Zhang, Liang and Cross, Adrian W. and Li, Fengping and Phelps, Alan D.R. and Ronald, Kevin and Robertson, Craig W. and Whyte, Colin G. and McElhinney, P.; (2012) Updates on a W-band Gyro-BWO using a helically corrugated waveguide experiment. In: 2012 IEEE Thirteenth International Vacuum Electronics Conference (IVEC). IEEE, USA, 217 - 218. ISBN 978-1-4673-0188-6 (https://doi.org/10.1109/IVEC.2012.6262136)
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The experimental demonstration of a W-band gyrotron backward-wave oscillator (gyro-BWO) using both thermionic cusp electron gun and helically corrugated waveguide will be presented. The cusp gun is designed to generate an axis-encircling electron beam of 1.5 A at 40 kV with an adjustable velocity ratio of up to 3.0. The beam had a simulated axial velocity spread (Δvz/vz) of ~8% and alpha spread (Δ α /α) of ~10%. The beam had an averaged radius of 0.35 mm and beam thickness of 0.05 mm which is ideal to drive sub-mm wave gyro-devices under investigation. The gyro-BWO has been experimentally measured and the latest results will be presented.
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Item type: Book Section ID code: 51304 Dates: DateEvent24 April 2012PublishedSubjects: Technology > Electrical engineering. Electronics Nuclear engineering Department: Faculty of Science > Physics Depositing user: Pure Administrator Date deposited: 28 Jan 2015 11:11 Last modified: 08 Apr 2024 13:18 URI: https://strathprints.strath.ac.uk/id/eprint/51304