Abstract
A new type of cyclotron resonance generator which has a klystron mechanism for bunching the electrons (a CRK) is studied from a theoretical standpoint. Expressions are obtained for the starting and optimal currents and for the efficiency of the CRK when the initial spreads in the energy of the electrons and in their angle of injection are taken into account. It is shown that efficiency may exceed 50% in a CRK constructed as a two-cavity klystron and reaches 60% in a CRK constructed as a three-cavity klystron. When this happens, the requirements on beam quality are fairly low. Thus, in high-power CRKs the initial spread in energy of the electrons and their angle of injection may be several percent with no major loss of efficiency.
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Additional information
Electrophysics Institute, Uralsk Department, Academy of Sciences of the USSR. Translated from Izvestiya Vysshikh Uchebnykh Zavedenii, Radiofizika, Vol. 34, No. 2, pp. 177–189, February, 1991.
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Smirnov, G.T. A theory of the cyclotron resonance klystron. Radiophys Quantum Electron 34, 152–162 (1991). https://doi.org/10.1007/BF01045523
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DOI: https://doi.org/10.1007/BF01045523