| Citation: | Hu Linlin, Sun Dimin, Huang Qili, et al. 1.0 MW pulse power achieved in 105/140 GHz dual-frequency MW-level gyrotron[J]. High Power Laser and Particle Beams, 2023, 35: 023001. doi: 10.11884/HPLPB202335.220388
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The progress of the 105/140 GHz MW gyrotron experiment aiming for fusion application is presented. The gyrotron employs dual-frequency design in triode magnetron injection gun, cavity, quasi-optical mode converter and window. In the experiment, pulse power of 710 kW at 105 GHz and 1.057 MW at 140 GHz were achieved at 1 Hz repetitive rate. The total efficiency is 34% and 49%, respectively. The experiment has firstly demonstrated the MW-level power output in the domestic quasi-optical gyrotron tests.
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