A Novel Staggered Double-Segmented Grating Slow-Wave Structure for 340 GHz Traveling-Wave Tube. - Zechuan Wang; Junwan Zhu; Zhigang Lu; Jingrui Duan; Haifeng Chen; Shaomeng Wang; Zhanliang Wang; Huarong Gong; Yubin Gong (Sensors, 2023)