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Effect of fabrication tolerance on 0.346 THz double corrugated waveguide for backward wave oscillators

Research output: Contribution to conference - Without ISBN/ISSN Conference paper

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Publication date24/04/2018
Number of pages2
Pages335-336
Original languageEnglish
EventInternational Vacuum Electronics Conference 2018 - Monterey, United States
Duration: 24/04/201826/04/2018
http://www.ivec2018.org

Conference

ConferenceInternational Vacuum Electronics Conference 2018
Abbreviated titleIVEC2018
CountryUnited States
CityMonterey
Period24/04/1826/04/18
Internet address

Abstract

The fabrication of slow wave structures for THz vacuum electronic devices presents substantial technology challenges and requires tight tolerances as the frequency increases. The fabrication of the 0.346 THz backward wave oscillator for plasma diagnostics is in the final phase. It is based on the Double Corrugated Waveguide, fabricated by high accuracy CNC milling. In this paper, the variation of the height due to the bonding process, with respect to the nominal value and effect of the electron beam misalignment along the propagation direction will be discussed, for predicting the eventual impact on performance.