High power W-band gyro-BWO experiments

Donaldson, CR and Zhang, L and He, W and McElhinney, P and Ronald, K and Cross, AW and Phelps, ADR; (2015) High power W-band gyro-BWO experiments. In: IEEE International Conference on Plasma Science (ICOPS) 2015. IEEE, TUR. ISBN 9781479969746 (https://doi.org/10.1109/PLASMA.2015.7179812)

Abstract

Summary form only given. Experimental results will be presented of a frequency tunable gyrotron backward wave oscillator (gyro-BWO). A helically corrugated interaction region (HCIR) was used to allow efficient interaction over a wide frequency band at the second harmonic of the electron cyclotron frequency without parasitic output [1-5]. The gyro-BWO generated a maximum output power of 12 kW when driven by a 40 kV, 1.5 A, annular-shaped large-orbit electron beam and achieved a frequency tuning band of 88-102.5 GHz by adjusting the cavity magnetic field [6]. The performance of the gyro-BWO is in excellent agreement with 3D particle-in-cell (PIC) numerical simulations. Further experimental plans with a quasi-optical mode [7] converter and energy recovery [8] system will be presented.

ORCID iDs

Donaldson, CR ORCID: https://orcid.org/0000-0001-6627-2461

Zhang, L ORCID: https://orcid.org/0000-0002-6317-0395

He, W ORCID: https://orcid.org/0000-0001-7018-0527

Ronald, K ORCID: https://orcid.org/0000-0002-8585-0746

Cross, AW ORCID: https://orcid.org/0000-0001-7672-1283

Phelps, ADR ORCID: https://orcid.org/0000-0002-1100-1012

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• Item metadata

  Item type:	Book Section
  ID code:	59566
  Dates:	Date Event 24 May 2015 Published 1 February 2015 Accepted
  Subjects:	Science > Physics
  Department:	Faculty of Science > Physics
  Depositing user:	Pure Administrator
  Date deposited:	24 Jan 2017 11:25
  Last modified:	29 Jan 2025 04:59
  Related URLs:	Event
  URI:	https://strathprints.strath.ac.uk/id/eprint/59566