Hybrid microwave oscillators with a virtual cathode |
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Authors: | A E Dubinov I A Efimova K E Mikheev V D Selemir V P Tarakanov |
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Institution: | (1) Russian Federal Nuclear Center, All-Russia Research Institute of Experimental Physics, Sarov, Nizhni Novgorod oblast, 607188, Russia;(2) Institute for High Energy Densities, Associated Institute for High Temperatures, Russian Academy of Sciences, Izhorskaya ul. 13/19, Moscow, 125412, Russia |
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Abstract: | A review is given of the developments and theoretical investigations of a fundamentally new class of microwave devices, namely, hybrid microwave oscillators with a virtual cathode, which combine the useful properties of virtual cathodes with the advantages of those traditional microwave oscillators that operate with subcritical-current beams and have a high efficiency in generating ultrarelativistic electron beams. Among such devices are the following: a hybrid diffractional microwave oscillator with a virtual cathode, a hybrid gyrodevice with a virtual cathode, a hybrid beam-plasma vircator, a hybrid gyrocon with a virtual cathode, a hybrid Cherenkov oscillator with a virtual cathode, a hybrid microwave oscillator of the “vircator + traveling-wave tube” type, an original two-beam tube with a virtual cathode, and a klystron-like vircator. |
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