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Modelling of free-electron maser based on two-dimensional distributed feedback

Konoplev, I.V. and Phelps, A.D.R. and Cross, A.W. and MacInnes, P. (2007) Modelling of free-electron maser based on two-dimensional distributed feedback. In: 2007 Joint 32nd International Conference on Infrared and Millimeter Waves/15th International Conference on Terahertz Electronics. IEEE, New York, USA, pp. 830-833. ISBN 978-1-4244-1438-3

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Abstract

The use of two-dimensional (2D) distributed feedback has been considered as a method of providing spatially coherent radiation from an oversized annular electron beam used to drive a ITEM based on a coaxial two-mirror cavity. The operation of the FEM when the interaction space is formed by a 2D Bragg input and a 1D Bragg output mirror separated by a regular section of the coaxial waveguide has been studied using the 3D Particle-in-Cell code MAGIC. The properties of the FEM are analyzed and discussed. The single mode operation of the FEM that uses a coaxial cavity is demonstrated and the design of a 2D Bragg FEM-oscillator based on a high-current accelerator is discussed.

Item type: Book Section
ID code: 26819
Keywords: free electron masers, distributed Bragg reflectors, distributed feedback oscillators, numerical simulations, Physics
Subjects: Science > Physics
Department: Faculty of Science > Physics
Depositing user: Miss Leonie Airley
Date deposited: 18 Aug 2010 14:54
Last modified: 03 Mar 2017 04:07
URI: https://strathprints.strath.ac.uk/id/eprint/26819
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