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Possibility of using a large orbit regime for operation at bounce-frequency harmonics in a free-electron maser with a guiding magnetic field

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Abstract

It is suggested that a free-electron maser based on the LIU-3000 accelerator (Joint Institute for Nuclear Research, Dubna) can be made to emit in the short-wavelength part of the microwave range by using radiation at harmonics of the bounce frequency of an electron beam propagating along a helical trajectory with a large gyration radius on the transverse inhomogeneity scale of the rf field and selectively exciting a cylindrical waveguide mode whose azimuthal index is equal to the number of the harmonic.

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Pis’ma Zh. Tekh. Fiz. 25, 30–36 (January 12, 1999)

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Ginzburg, N.S., Kamenetskii, I.É., Kaminskii, A.A. et al. Possibility of using a large orbit regime for operation at bounce-frequency harmonics in a free-electron maser with a guiding magnetic field. Tech. Phys. Lett. 25, 12–14 (1999). https://doi.org/10.1134/1.1262364

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