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

Li, Xiang and Gamzina, Diana and Letizia, Rosa and Gonzales, Michelle and Tang, Ye and Zheng, Yuan and Popovic, Branko and Himes, Logan and Barchfeld, Robert and Li, Hanyan and Pan, Pan and Feng, Jinjun and Paoloni, Claudio and Luhmann Jr., Neville C. (2018) Effect of fabrication tolerance on 0.346 THz double corrugated waveguide for backward wave oscillators. In: International Vacuum Electronics Conference 2018, 2018-04-24 - 2018-04-26.

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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.

Item Type:
Contribution to Conference (Paper)
Journal or Publication Title:
International Vacuum Electronics Conference 2018
ID Code:
123809
Deposited By:
Deposited On:
08 Apr 2019 15:30
Refereed?:
Yes
Published?:
Published
Last Modified:
15 Jul 2024 08:34