Multi-electron-beam-channel slow-wave structure with trigonometric function contour
A technology of electron beam channel and slow wave structure, which is applied to the circuit components of time-of-flight electron tubes, etc., can solve problems such as difficult to focus on long-distance transmission, and achieve simple main structure, obvious energy exchange effect, and beam-wave interaction The effect of prolonged
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[0036] Such as Figure 1-Figure 3 As shown, a multi-electron injection channel slow-wave structure with a trigonometric function profile includes a rectangular housing 1, a plurality of sinusoidal gratings 4 distributed in the lower part of the rectangular housing 1, and two adjacent sinusoidal gratings 4 The room is a high-frequency system, the rectangular housing 1 has a plurality of cosine grating teeth 2 distributed above, and an electron beam channel is formed between two adjacent cosine grid teeth 2, and a circular electron beam 3 is arranged in the electron beam channel, so The sine grid teeth 4 and the cosine grid teeth 2 are orthogonal to each other; the edge profile shapes of the multiple cosine grid teeth 2 are distributed in a cosine function; the edge profile shapes of the multiple sine grid teeth 4 are distributed in a sine function; the outermost electron injection channel A certain point on the edge is the origin, the extension direction of the circular electro...
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