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This study investigates the electron dynamics of gyrotron interaction in a tapered waveguide and proposes an interaction structure for a 0.2-THz TE02 reflective gyrotron backward-wave oscillator (gyro-BWO). The design shows the advantages of high power, continuous and broadband frequency tuning, mode converter free, and inherently possesses mode-selective ability to suppress the potentially competing...
This study proposes a mode-selective circuit to suppress the competing modes in a TE01 gyrotron backward-wave oscillator (gyro-BWO). The circuit, also functioning as an interaction structure, comprises of several transverse slices. It eliminates the restrictions of the mode-competitions and allows a longer interaction structure to optimize interacting efficiency. Mode-selective effect will be analyzed...
This study proposes a broadband interaction structure for a fundamental harmonic TE02 203-GHz gyrotron backward-wave oscillator (gyro-BWO). Unlike the present terahertz tunable gyrotron which achieves the tunability by interacting with a series of high order axial modes, the gyro-BWO operates with single (fundamental) axial mode in frequency tuning and has the advantage of smooth and broadband tuning...
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