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To overcome the limitation in bandwidth and power capacity of Traveling-Wave in Ceramic (TWC) coaxial window, a wide-band high-power coaxial window is proposed. Using CST Microwave Studio, a L-band wide-band high-power coaxial window is optimized and the performance is compared with half-wavelength coaxial window and TWC coaxial window, which shows wider bandwidth and higher power capacity of the...
Three different kinds of circular waveguide taper are designed for a ka-band two-cavity gyroklystron amplifier, which are radially shaped to follow a Dolph-Chebyshev profile, a Modified Dolph-Chebyshev Profile and a linear profile respectively. With almost the same taper length, the amplifier using the taper following the Modified Dolph-Chebyshev profile has the appropriate mode conversion and meets...
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