Powerful millimeter-wave generators based on the stimulated Cerenkov radiation of relativistic electron beams

作者: VL Bratman , GG Denisov , BD Kol'Chugin , SD Korovin , GD Polevin

DOI: 10.1007/BF01010054

关键词: Backward-wave oscillatorCherenkov radiationPhysicsSurface waveElectronExtremely high frequencyCyclotronRelativistic quantum chemistryOpticsMagnetic fieldInstrumentation (computer programming)Electrical and Electronic EngineeringRadiationCondensed matter physics

摘要: Effective relativistic Cerenkoy generators of various types were studied experimentally: orotrons, surface wave oscillators, and Smith-Purcell free-electron masers that first realized. Single-mode generation was obtained in multimode systems using electrodynamic electron methods mode selection. The power this regime 100 MW at 8.6 mm with the efficiency 10%, 50 5.5 5%, 8 2.4 3%. In a 0.5 0.9 mm. study dependence on value focusing magnetic field revealed presence zones cyclotron absorption, earlier observed centimeter-wave generators.

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