Research on Ridge-Enhanced Flatted Grating Folded Waveguide SWS for G-Band TWT. - Jingrui Duan; Zhigang Lu; Peng Gao; Jingyu Guo; Yang Dong; CaiDong Xiong; Yuan Zheng; Zhanliang Wang; Shaomeng Wang; Huarong Gong; Yubin Gong (TENCON, 2024)