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  • Open Access

Spatiotemporal dynamics of a free electron maser oscillator with broadband feedback and klystronlike interaction region

A. V. Savilov* and N. Yu. Peskov

V. N. Philippov

  • Institute of Applied Physics, Russian Academy of Sciences, 46 Ulyanov Street, Nizhny Novgorod, 603950, Russian Federation

  • Nizhny Novgorod State University, Gagarina Avenue 23, Nizhny Novgorod, 603950, Russian Federation

  • *Corresponding author. Email address: savilov@appl.sci-nnov.ru

Phys. Rev. ST Accel. Beams 8, 080702 – Published 31 August, 2005

DOI: https://doi.org/10.1103/PhysRevSTAB.8.080702

Abstract

Dynamics of interaction of longitudinal modes in a FEM oscillator with a broad-frequency-band feedback system and a klystronlike interaction region is studied. It is shown that the use of the klystronlike interaction region results both in increasing the efficiency of electron energy extraction and decreasing the number of competing modes. The latter provides a significant increase of the electron-current threshold of stability of the single-mode operation.

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