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Peskov, N. Yu; Zaslavsky, V. Yu; Ginzburg, N. S.; Malkin, A. M.; Savilova, A. A.; Sergeev, A. S.; Arzhannikov, A. V.; Kalinin, P. V.; Sandalov, E. S.; Sinitsky, S. L.; Stepanov, V. D.
Radiophysics and quantum electronics, 12/2023, Letnik: 66, Številka: 7-8Journal Article
We study the possibility to advance relativistic planar Čerenkov surface-wave oscillators, which are driven by intense sheet electron beams, to the subterahertz frequency range within the framework of the performed simulation. It is shown that the use of two-dimensional periodic slow-wave structures providing the two-dimensional distributed feedback allows one to ensure high coherence of radiation at the subgigawatt power level in oscillators of this kind for transverse sizes equal to hundreds of wavelengths. The design parameters and structural elements are discussed for implementing such high-power oscillators based on the ELMI accelerator complex within the framework of the joint BINP/IAP experiments.
