We find an optimal cavity length for gyrotrons operated at the second gyrofrequency harmonic with energy recovery for a 20% spread of transverse electron velocities, which is typical of such devices. It is shown that the efficiency-optimal length of the gyrotron cavity increases if the scheme of residual-energy recovery is used.
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Translated from Izvestiya Vysshikh Uchebnykh Zavedenii, Radiofizika, Vol. 51, No. 7, pp. 617–621, July 2008.
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Glyavin, M.Y., Morozkin, M.V. Optimization of the Cavity Length of the Gyrotrons Operated at the Second Gyrofrequency Harmonic with One-stage Recovery of the Residual Energy of an Electron Beam. Radiophys Quantum El 51, 556–560 (2008). https://doi.org/10.1007/s11141-008-9054-2
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DOI: https://doi.org/10.1007/s11141-008-9054-2