The design, fabrication and cold test of a high frequency system (HFS) for an H-band (220-
325GHz) sheet beam travelling wave tube is presented in this article. The HFS was …

The design of H-band (220-325 GHz) high-order overmoded power couplers for sheet
electron beam (SEB) devices is presented in this article. The proposed power coupler was …

Two power coupling structures based on a Y-type branch waveguide (YTBW) coupler for
sheet electron beam devices are presented in this paper. The YTBW coupler is a good …

A novel methodology of the power coupling from rectangular TE 10 mode to TE 20 mode for
high-order overmoded multiple sheet electron beam devices is presented in this letter. The …

We investigated a hypersensitive and tunable terahertz (THz) wave switch based on liquid-
crystal-filled non-Bragg structures. Non-Bragg structures, which consist of periodically …

This article proposes a longitudinal output structure in Ka-band sheet beam traveling-wave
tube (SBTWT) with an ultrawideband transmission and high breakdown collector voltage. A …

A novel methodology of mode conversion from rectangular TE10 mode to TE30/TE40/TE50
modes with the same exciting topology is proposed in this article. The proposed mode …

This article presents the design, microfab-rication, and measurement of a terahertz band
mode input–output coupling structure for dual-sheet-beam traveling-wave tubes (TWTs). The …

The emerging sheet beam devices have become a research hotspot in the field of vacuum
electronics due to their excellent performance in the millimeter-wave and even terahertz …

A new type of input/output coupler for sheet beam traveling wave tube is designed,
analyzed, and measured in this paper. In the design, a special sloped coupling aperture …