A novel multi-pin rectangular waveguide slow-wave structure based backward wave amplifier at 340 GHz

Zhang Kai-Chun†^a),^b), Qi Zhong-Kuo^a),^b), Yang Zhao-Long^a),^b)

Dispersion and electric field distribution: (a) dispersions of 3 modes in the first Brillouim zone and the 13 kV electron beam; (b)–(d) electric field distributions of (b) TE₁₀-like, (c) TE₂₀-like, and (d) TE₃₀-like modes on the transverse cross section.