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In this paper, design of the interaction structure to generate 2THz radiation at second cyclotron harmonic is presented. Based on start oscillating current and stability at high magnetic field, TE24,4 is selected as operating mode. The eigen mode analysis and beam wave interaction in the interaction structure have been carried out using MAGIC and CST-Microwave Studio.
In this paper the design of interaction cavity for 170GHz, 1MW gyrotron is presented. An in-house developed code GCOMS has been used for operating mode selection and mode competition. For 170 GHz, 1 MW gyrotron interaction cavity TE28,7 mode excite as a operating mode at the fundamental harmonic number. The Electromagnetic simulator-MAGIC, a Particle-in-Cell (PIC) code has been used for the cold cavity...
A weakly tapered interaction cavity has been designed to excite TE22,6 operating mode at the fundamental harmonic number for 120 GHz, 1 MW gyrotron. A MATLAB code has been developed to synthesize cavity geometry and selection of operating mode. The cold cavity analysis and the beam-wave interaction were carried out using the commercially available PIC code MAGIC. The output power above 1 MW has been...
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