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Traveling-wave tube with a dual-plate rippled-wall waveguide

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3 Author(s)
Qingyuan Wang ; Inst. of Appl. Phys. & Comput. Math., Beijing, China ; Youming Jiang ; Xiangwan Du

The linearized Lorentz force equation, continuity equation, and Maxwell's equations are used to calculate the system dispersion relations for a traveling-wave tube with a dual-plate rippled-wall waveguide. The system also includes a relativistic electron beam of infinitesimal thickness propagating between the opposing plates. Using this theory, the influences of the system parameters on the beam-wave interaction, especially on the exponential growth rate of the wave, are discussed in detail. This theory is also used to design a large-diameter coaxial traveling-wave amplifier in the 3 cm waveband

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Plasma Science, IEEE Transactions on  (Volume:25 ,  Issue: 4 )