Linear analysis of a multibeam cyclotron-resonance maser array

M. Korol, E. Jerby

Research output: Contribution to journalArticlepeer-review


The multibeam cyclotron-resonance maser (CRM) array is a new concept for compact, high-power CRM devices operating at low voltages. The CRM array studied in this paper employs low-energy electron beams, which are propagating in coupled channels in a two-dimensional periodic waveguide. A static magnetic field spirals the electrons in synchronism with a spatial harmonic of the electromagnetic wave. A matrix gain-dispersion equation of the CRM-array interaction is derived in the paper. Numerical examples are presented for a comparison between CRM interactions of one, two, and three electron beams with various waveguide modes. The analysis shows that the multibeam cyclotron interaction yields a considerable gain of microwaves in selective modes.

Original languageEnglish
Pages (from-to)5934-5947
Number of pages14
JournalPhysical Review E - Statistical Physics, Plasmas, Fluids, and Related Interdisciplinary Topics
Issue number5
StatePublished - 1997


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