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The paper describes recent results of theoretical and experimental studies of powerful relativistic masers based on linac LIU-3000. The key components of the oscillators are advanced Bragg resonators based on coupling of propagating and quasi-cutoff waves that possess high selectivity over transverse coordinates and allows establishment of narrow-band operating regime in strongly oversized system...
The paper describes recent results of theoretical and experimental studies of the FEM-oscillator driven by linac LIU-3000 0.8 MeV / 200 A / 200 ns. At the present stage efficient operation of the JINR-IAP FEM has been demonstrated at 30 GHz / 15 MW and 60 GHz / 5 MW powers. Project of multimegawatt power 90 GHz FEM is in progress currently. The key components of the FEM are short period tapered wiggler,...
Project of powerful FEM operating from Ka- to W-band and aimed to accelerating applications is developed in collaboration between JINR (Dubna) and IAP RAS (N. Novgorod) based on linac LIU-3000. The key components to advance the JINR-IAP FEM into short wavelengths are short-period tapered wiggler, which is responsible for high-quality helical electron beam formation, and advanced Bragg resonator with...
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