Axisymmetric multistage cavity resonators |
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Authors: | S N Vlasov N A Zavolsky V E Zapevalov E V Koposova and M A Moiseev |
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Institution: | 1.Institute of Applied Physics of the Russian Academy of Sciences,Nizhny Novgorod,Russia |
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Abstract: | We study theoretically multistage cavity resonators as well as the gyrotrons manufactured on their basis. Coupled cavities
with mode conversion and echelette cavities are particular cases of such devices. The possibilities of reducing the diffraction
Q-factor of the operating mode of a cavity, with the preservation of its selective properties and significant increase in
the gyrotron radiation power, and provision of high efficiency and acceptable heat ohmic load of the cavity at the first harmonic
of the gyrofrequency are considered. Achievable parameters of the gyrotrons at the second and third harmonics with typical
electron guns and cryomagnetic systems are analyzed. |
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