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Study of a 200GHz microklystron using apseudospark-sourced electron beam

By: Chen, X.; Zhou, J.; Li, D.; Phelps, A.D.R.; Ronald, K.; Bowes, D.; Protz, J.; Yin, H.; Cross, A.W.; Schuhmann, T.; He, W.; Reynolds, M.; Verdiel, M.;

2010 / IEEE / 978-1-4244-5476-1


This item was taken from the IEEE Conference ' Study of a 200GHz microklystron using apseudospark-sourced electron beam ' In recent years much interest has been shown in radiation sources in the terahertz region (0.1 to 10THz) because of the demands in plasma diagnostics, radiotherapy, medical research and advanced communications. The Klystron is an ideal choice for THz generation due to its operation mechanism, efficiency and robustness as well as the fact that it may be scaled in size in order to achieve higher frequency operation1. Due to the decrease in size as the frequency is increased, there is a need for the electron beam current density to increase in order to achieve reasonable output powers. The pseudospark (PS) discharge is an ideal electron beam source because it can produce a suitable high current density and small diameter (<1mm) electron beam.