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Strathprints serves world leading Open Access research by the University of Strathclyde, including research by the Strathclyde Institute of Pharmacy and Biomedical Sciences (SIPBS), where research centres such as the Industrial Biotechnology Innovation Centre (IBioIC), the Cancer Research UK Formulation Unit, SeaBioTech and the Centre for Biophotonics are based.

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Effective coupling of cyclotron autoresonance maser and "gyrotron" modes on a phase-synchronized electron beam

Savilov, A V and Bratman, V L and Phelps, A D R and Samsonov, S V (2000) Effective coupling of cyclotron autoresonance maser and "gyrotron" modes on a phase-synchronized electron beam. Physical Review E: Statistical Physics, Plasmas, Fluids, and Related Interdisciplinary Topics, 62 (3). pp. 4207-4215. ISSN 1063-651X

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Abstract

For a cyclotron resonance maser (CRM) with a helical axis-encircling electron beam, the possibility of a strong interaction between cutoff (gyrotron) and traveling Doppler-up-shifted (cyclotron autoresonance maser) modes, which are in resonance with the electrons at the same frequency, is demonstrated. This effect can be used in a CRM oscillator of a new type, where the feedback and the mode selectivity for the operating traveling mode are provided due to the excitation of the cutoff mode. According to both the theory and the experiment, such a scheme can provide an effective excitation of the traveling mode with negligibly low losses associated with the cutoff mode.