High-power free-electron Masers utilising 2D – 1D Bragg lasing cavities

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Abstract

We report the results from a coaxial 2D – 1D Bragg cavity based Free-Electron Maser, utilising a highcurrent (1.5kA), magnetically confined, thin annular electron beam with circumference of ~220mm, wall thickness of ~2mm and mean radius of ~35mm. The electron beam was transported through a 2m long coaxial drift-tube with inner and outer radii of 30 mm and 40mm respectively. Results obtained via numerical modelling and experimental observation are presented and compared.
Original languageEnglish
Publication statusPublished - 11 Sep 2011
Event4th Europe/UK-China Workshop on Millimetre Waves and Terahertz Technologies - Physics Department, Strathclyde University, Glasgow, United Kingdom
Duration: 1 Sep 20113 Sep 2011

Workshop

Workshop4th Europe/UK-China Workshop on Millimetre Waves and Terahertz Technologies
Abbreviated titleUCMMT 2011
CountryUnited Kingdom
CityGlasgow
Period1/09/113/09/11

Keywords

  • Bragg lasing cavities
  • free-electron maser
  • FEM
  • electron beams
  • microwave pulses

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