Oversized Ka-band surface-wave oscillator based on 2D periodical corrugated structure

Abstract

Ka-band surface wave oscillator of a cylindrical geometry driven by tubular electron beam 300 keV / 100 A / 3 μs has been realized. Narrow-band regime of oscillations in strongly oversized system (perimeter-to-wavelength ratio is about 16) was achieved using periodical structure with two-dimensional corrugation. Output power of 1.5–2 MW level was obtained… (More)

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