Influence of reflections on mode competition in gyrotrons |
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| Authors: | Dumbrajs O. Glyavin M.Y. Zapevalov V.E. Zavolsky N.A. |
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| Affiliation: | Inst. fur Hochleistungsimpuls- und Mikrowellentechnik, Forschungszentrum Karlsruhe; |
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| Abstract: | A general theory is presented for studying the influence of reflections on mode competition in gyrotrons. Strong effect is found in the illustrative example: the coaxial cavity TE28,16 gyrotron operating close to the optimal point in the general parameter spare. In some cases, the fixed-field approximation and the self-consistent approach lead to qualitatively different predictions, which emphasizes the need for self-consistent calculations in the final stage of design of a gyrotron |
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