Abstract
We calculated the optimal parameters of a low-Q cavity of a millimeter-wavelength continuous-wave gyrotron which ensure that the maximum efficiency is reached for a limited heat load on the cavity wall. The influence of the cavity optimization on the efficiency of energy recovery of a collector electron beam is considered. Stability of the operating mode to self-excitation of other modes is studied. Gyrotrons with radiation power 1 MW, frequency range 140–170 GHz, and operating modes TE22.6 and TE25.10 are studied as the example. The obtained results are generalized to gyrotrons with other operating modes and frequencies.
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Zavol'sky, N.A., Zapevalov, V.E., Moiseev, M.A. et al. Possibilities for Optimizing the Cavity of a High-Power Continuous-Wave Gyrotron. Radiophysics and Quantum Electronics 47, 603–614 (2004). https://doi.org/10.1023/B:RAQE.0000049558.36460.24
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DOI: https://doi.org/10.1023/B:RAQE.0000049558.36460.24