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Abstract <p>The development of powerful, spatially extended Cherenkov masers of planar geometry is currently underway in a collaboration between the Budker Institute of Nuclear Physics in Novosibirsk and the Gaponov-Grekhov Institute of Applied Physics in Nizhny Novgorod, based on the ELMI accelerator of 1&#xa0;MeV/5–7&#xa0;kA/3&#xa0;μs. The projects use a two-dimensional distributed feedback mechanism implemented in 2D periodic slow-wave structures to ensure radiation coherence under conditions of a substantial increase in the space of interaction. This work presents results from simulations and optimization aimed at enhancing the power output and increasing the stability of the narrow-band regime of generation in the developed relativistic masers. The current stage of their experimental implementation is discussed.</p>

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Planar Sub-THz/Sub-GW Cherenkov Masers with Two-Dimensional Distributed Feedback Based on the ELMI Accelerator: Current Tasks of Implementation

  • 期刊论文

  • 发表日期：

    2025年9月1日

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  • N. Yu. Peskov,
  • V. Yu. Zaslavsky,
  • A. V. Arzhannikov,
  • N. S. Ginzburg,
  • P. V. Kalinin,
  • E. S. Sandalov,
  • A. S. Sergeev,
  • S. L. Sinitsky,
  • V. D. Stepanov

摘要

Abstract

The development of powerful, spatially extended Cherenkov masers of planar geometry is currently underway in a collaboration between the Budker Institute of Nuclear Physics in Novosibirsk and the Gaponov-Grekhov Institute of Applied Physics in Nizhny Novgorod, based on the ELMI accelerator of 1 MeV/5–7 kA/3 μs. The projects use a two-dimensional distributed feedback mechanism implemented in 2D periodic slow-wave structures to ensure radiation coherence under conditions of a substantial increase in the space of interaction. This work presents results from simulations and optimization aimed at enhancing the power output and increasing the stability of the narrow-band regime of generation in the developed relativistic masers. The current stage of their experimental implementation is discussed.