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Overmoded cavity bounded by first and second grids for providing electron beam/RF signal interaction that is transversely distributed across the cavity
Overmoded cavity bounded by first and second grids for providing electron beam/RF signal interaction that is transversely distributed across the cavity
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机译：由第一和第二栅格界定的过模腔，用于提供横向分布在整个腔中的电子束/ RF信号交互
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摘要
An overmoded distributed interaction network is provided that generates high peak and average RF power amplification at high frequencies. A series of overmoded cavities are bounded by parallel or concentric grids that may be separated by metallic spacers adapted to function as a photonic bandgap circuit to suppress competing electromagnetic modes. The selected electromagnetic modes have wavelengths much shorter than the lateral dimension of the grids, allowing the beam-wave interaction to be distributed transversely for improved interaction efficiency. The grids may optionally be slotted and arranged to provide a serpentine traveling wave tube configuration.
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