Investigation of millimeter wave extended interaction oscillation using improved pseudospark-sourced electron beams

Yin, H. and Zhang, L. and He, W. and Shu, G. and Zhao, J. and Yin, Y. and Ronald, K. and Phelps, A.D.R. and Cross, A.W.; (2017) Investigation of millimeter wave extended interaction oscillation using improved pseudospark-sourced electron beams. In: 2017 42nd International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz). IEEE, MEX. ISBN 9781509060481 (https://doi.org/10.1109/IRMMW-THz.2017.8066852)

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Abstract

This article presents the investigation of millimeter wave extended interaction oscillation using both pencil and sheet-shaped pseudospark (PS)-sourced electron beams. A W-band (75-110 GHz) pencil beam extended interaction oscillator (EIO) was designed and constructed. In the first experiment the output power of 38 W was achieved from a four-gap PS discharge operating at 30.5 kV. PS-sourced beam generation was further improved by combining a single-gap PS structure with an integrated post-acceleration section in order to enhance the beam quality and increase the output power of the EIO to 200W. The study of a PS-sourced sheet beam EIO structure will also be presented.

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