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Based on analyzing the large-signal theory of the planar gyrotron, it is suggested that a simplified structure of the device is used for simulating this kind of device, with the working characteristics of the device kept unchanged, i.e., the same as those of the device with the original structure. Thus, the computational burden can be significantly reduced.Using the proposed method, we simulate a planar gyrotron with its simplified parameters by using the UNIPIC-3D code.Numerical results show that the working frequency, output power, and electron efficiency are respectively about 0.813 THz,14 kW, and 21%.
Based on analyzing the large-signal theory of the planar gyrotron, it is suggested that a simplified structure of the device is used for simulating this kind of device, with the working characteristics of the device kept unchanged, ie, the same as those of the the device with the original structure. Thus, the computational burden can be significantly reduced. Using the proposed method, we simulate a planar gyrotron with its simplified parameters by using the UNIPIC-3D code. Numerical results show that the working frequency, output power, and electron efficiency were respectively about 0.813 THz, 14 kW, and 21%.