The 3D Study of the Hybrid Bulk-Surface Eigen Modes in the THz Cherenkov Oscillator

Eduard Khutoryan, Kostyantyn Lukin,Alexei Kuleshov,Yoshinori Tatematsu,Sergey Ponomarenko,Masahiko Tani

2022 23rd International Vacuum Electronics Conference (IVEC)（2022）

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摘要

The properties of hybrid bulk-surface modes have been studied and their potential for the efficient interaction with wide sheet electron beams in the THz range has been shown. Main emphasis is put on the interaction of the transverse fundamental and higher modes with respect to the grating width.

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关键词

backward wave oscillator,THz radiation,hybrid bulk-surface wave,Cherenkov radiation,Smith-Purcell radiation,nonuniform grating,spoof surface plasmon-polariton,sheet electron beam

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