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Lagrangian simulator for millimetre wave TWT based on non-rotationally symmetric slow wave structure

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  • Robert Waring
  • Claudio Paoloni

Abstract

A novel Lagrangian code for fast simulation of non-rotationally symmetric slow wave structure for millimetre wave Travelling wave tubes is proposed. Novel slow wave structures (SWS) suitable for fabrication at millimetre wave frequencies often have non-rotationally symmetric, differently from the helix that has a cylindrical symmetry. This prevents the use of conventional Lagrangian simulators valid for symmetric cylindrical symmetry. A modified Lagrangian simulator to simulate arbitrary symmetry SWS is proposed. The proposed simulator permits a very fast simulation of the large signal performance of the novel SWS, as the Double Corrugated Waveguide.

Suggested Citation

  • Robert Waring & Claudio Paoloni, 2017. "Lagrangian simulator for millimetre wave TWT based on non-rotationally symmetric slow wave structure," Journal of Electromagnetic Waves and Applications, Taylor & Francis Journals, vol. 31(17), pages 1902-1913, November.
    • Handle: RePEc:taf:tewaxx:v:31:y:2017:i:17:p:1902-1913
    DOI: 10.1080/09205071.2017.1365629
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