Design of an energy recovery system for a gyrotron backward-wave oscillator

Zhang, Liang and He, W. and Cross, A.W. and Phelps, A.D.R. and Ronald, K. and Whyte, C.G. (2009) Design of an energy recovery system for a gyrotron backward-wave oscillator. IEEE Transactions on Plasma Science, 37 (3). pp. 390-394. ISSN 1939-9375 (http://dx.doi.org/10.1109/TPS.2008.2012108)

Abstract

To realize the full potential of a gyrotron backward-wave oscillator (gyro-BWO), an energy recovery system was designed using Particle-In-Cell (PIC) simulations and optimized using both a genetic algorithm and PIC simulations. Simulations were carried out to optimize a periodic structure for separation of the spent electron beam and the output radiation produced by a gyro-BWO in the 8.0-9.5 GHz frequency range. The spent electron beam can be collected using a multistage depressed collector. The number and electric potentials of the electrodes were optimized to achieve the best overall recovery efficiency for specific parameters of the spent beam. The 3-D PIC code MAGIC was used to simulate the electrons' trajectories and a genetic algorithm was used to refine the electrode shapes for optimum efficiency.

ORCID iDs

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

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

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

Phelps, A.D.R. ORCID: https://orcid.org/0000-0002-1100-1012

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

Whyte, C.G. ORCID: https://orcid.org/0000-0002-5431-2443

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• Item metadata

  Item type:	Article
  ID code:	19239
  Dates:	Date Event March 2009 Published
  Subjects:	Science > Physics
  Department:	Faculty of Science > Physics
  Depositing user:	Strathprints Administrator
  Date deposited:	14 Jun 2010 14:28
  Last modified:	11 Nov 2024 09:25
  URI:	https://strathprints.strath.ac.uk/id/eprint/19239