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INTERNAL LOAD FOR A TRAVELLING WAVE TUBE USING A FOLDED-WAVEGUIDE SLOW-WAVE STRUCTURE
INTERNAL LOAD FOR A TRAVELLING WAVE TUBE USING A FOLDED-WAVEGUIDE SLOW-WAVE STRUCTURE
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机译:使用折叠波导管慢波结构的行波管的内部载荷
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摘要
A folded-waveguide slow-wave structure equipped with an internal load, includes a central plate comprising a rectilinear beam tunnel of same direction as the longitudinal axis of the central plate, and a serpentine-shaped folded slit having its folds in the direction of the width of the waveguide; a lower plate and an upper plate closing the waveguide, the plates being placed on and under the central plate, respectively; at least one groove of cross section that may be variable, produced along the longitudinal axis of the waveguide, in at least one face internal to the waveguide of the lower plate, the upper plate or the central plate, and at least partially comprising a lossy material; in order to form a closed slow-wave structure through which propagates a hybrid slow wave the amplitude of which is attenuated by at least 20 dB between the start and the end of the portion of the one or more grooves containing a lossy material.
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