(Color online) (a) Dimension parameters of the sine waveguide; (b) slow wave characteristics for whole range in backward regime; (c) slow wave characteristics for operating frequency range.
(Color online) (a) The circuit transmission loss calculation model and the distribution of the electric fields at the H-plane; (b) S-parameters of the circuit transmission loss model; (c) circuit loss versus frequency.
(Color online) The presentation of the bunched sheet electron beam after beam-wave interaction and the electron energy versus longitudinal distance.
(Color online) The presentation of the power flow along the longitudinal distance.
(Color online) The presentation of the signal after beam-wave interaction. (a) power amplitude at port 1 and port 2; (b) spectrum of the output signal.
BWO power output performance: (a) the output power versus frequency; (b) the output power versus interaction length.
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