We obtain an output efficiency of 60%, which is record-breaking for gyrotrons operated at the second gyrofrequency harmonic, for an output power of 6 kW in the continuous-wave regime. The increase in the efficiency is achieved by using single-stage energy recovery in a gyrotron with an electrically insulated collector. Experimental results confirm the validity of calculation of the electron-beam energy spectra in the gyrotron collector region.
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Translated from Izvestiya Vysshikh Uchebnykh Zavedenii, Radiofizika, Vol. 51, No. 10, pp. 850–854, October 2008.
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Glyavin, M.Y., Denisov, G.G., Luchinin, A.G. et al. Experimental study of a gyrotron operated at the second gyrofrequency harmonic with the single-stage energy recovery. Radiophys Quantum El 51, 768–771 (2008). https://doi.org/10.1007/s11141-009-9079-1
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DOI: https://doi.org/10.1007/s11141-009-9079-1