Novel double-band input coupler for gyroklystron and gyro-TWT
Source abstract
Abstract
A novel input coupler that can operate in two different frequency bands separately is proposed in this paper. The dual-band (X/Ku) signals are input by two rectangular waveguides, respectively, in particular, a Bragg reflector is inserted in one of the rectangular waveguides to avoid the electromagnetic backflow, and then the circular TE01/TE02 modes are excited in the cylindrical cavity by field diffraction through the coupling holes with the help of a coaxial cavity. The simulation results show that dual-band input couplers for both dual-band gyroklystron and gyrotron traveling wave tube obtain excellent performance, laying the foundation for the development of the dual-band gyro-amplifier.
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Research context
OpenAlex topics: Gyrotron and Vacuum Electronics Research · Particle accelerators and beam dynamics · Pulsed Power Technology Applications
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Affiliations
Key Laboratory of Science and Technology on High Power Microwave Sources and Technologies, Aerospace Information Research Institute, Chinese Academy of Science 1 , Beijing 100190, China
School of Electronic, Electrical and Communication Engineering, University of Chinese Academy of Science 2 , Beijing 100049, China
Funding
National MCF Energy R&D Program · The Scientific Instrument Developing Project of the Chinese Academy of Sciences
References (21)
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