Latest experiments of W-band gyro-BWO using helically corrugated waveguides

He, W. and Donaldson, C. R. and Zhang, L. and McElhinney, P. and Phelps, A. D. R. and Ronald, K. and Cross, A. W. (2013) Latest experiments of W-band gyro-BWO using helically corrugated waveguides. In: 2013 38th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz). IEEE, DEU. ISBN 9781467347174

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Official URL: https://doi.org/10.1109/IRMMW-THz.2013.6665707

Abstract

Latest experimental developments of W-band gyro-devices with helically corrugated waveguides and a cusp electron gun are presented. The cusp generated a 40 keV, 1.5 A axis-encircling electron beam. Helical corrugated waveguides have ideal dispersive properties which improve the frequency tuning range of a gyrotron backward wave oscillator (gyro-BWO) whilst maintaining the already good efficiency of operation. The output power of the gyro-BWO was measured to be 12 kW with a frequency tuning range of 88-103 GHz.

Author(s):	He, W. ORCID: https://orcid.org/0000-0001-7018-0527, Donaldson, C. R. ORCID: https://orcid.org/0000-0001-6627-2461, Zhang, L. ORCID: https://orcid.org/0000-0002-6317-0395, McElhinney, P., Phelps, A. D. R. ORCID: https://orcid.org/0000-0002-1100-1012, Ronald, K. ORCID: https://orcid.org/0000-0002-8585-0746 and Cross, A. W. ORCID: https://orcid.org/0000-0001-7672-1283
Item type:	Book Section
ID code:	54921
Keywords:	backward wave oscillators, electron beams, electron guns, helical waveguides, cusp electron gun, tuning, Electrical engineering. Electronics Nuclear engineering, Energy Engineering and Power Technology, Electrical and Electronic Engineering
Subjects:	Technology > Electrical engineering. Electronics Nuclear engineering
Department:	University of Strathclyde > University of Strathclyde Faculty of Science > Physics
Depositing user:	Pure Administrator
Date deposited:	11 Dec 2015 04:21
Last modified:	22 Jan 2020 17:09
Related URLs:	Scopus publication
URI:	https://strathprints.strath.ac.uk/id/eprint/54921
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