Abstract
Investigation has been undertaken at the University of Strathclyde to simulate, design and construct a klystron amplifier with an operating frequency of 94 GHz. A novel beam source shall be utilized in the form of a pseudospark discharge, a form of low-pressure, high-current plasma discharge which produces an electron beam possessing high brightness as well as self-focusing properties. The seed signal for the klystron will be fed in using a tapered dielectric-lined iris coupling system.
Highlights
High frequency (EHF) radiation (30-300GHz) has wide potential applications in both scientific research and commercial use, including plasma diagnosis, medical imaging and advanced communications, etc
The klystron is an excellent choice for Extremely high frequency (EHF) generation, due to its high gain, high efficiency and robustness as well as the fact that it may be scaled in size in order to achieve higher frequency operation [1]
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
Summary
High frequency (EHF) radiation (30-300GHz) has wide potential applications in both scientific research and commercial use, including plasma diagnosis, medical imaging and advanced communications, etc. The klystron is an excellent choice for EHF generation, due to its high gain, high efficiency and robustness as well as the fact that it may be scaled in size in order to achieve higher frequency operation [1]. 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.
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