Abstract

We have designed D-bandplanar meander-line slow wave structure for low voltage compact traveling-wave tubes (TWTs) with sheet electron beam. The designed D-band slow wave structure was microfabricated by magnetron sputtering and picoseconds laser ablation. We further develop our approach for planar slow wave structure microfabrication based on magnetron sputtering and laser ablation processes. Transmission and reflection losses of proposed SWS were measured experimentally and evaluated numerically. The experimental results are in good agreement with the numerical ones.

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