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Proceedings Paper

Amplification of optical and THZ surface plasmon-polaritons by electron beams
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Paper Abstract

The linear theory of a traveling wave tube (TWT) or vacuum amplifier with a wide tape electron beam operating on plasmon modes is developed. The dispersion equation for electron waves and the gain per unit length with account for the dissipation in the structure are obtained. Strict solutions for dispersion and field distribution of surface plasmons in layered structures with conducting films and for electron waves amplified by a beam are obtained by the iteration method. To increase the gain, it is proposed to use active conductive semiconductor or graphene layers.

Paper Details

Date Published: 3 June 2019
PDF: 11 pages
Proc. SPIE 11066, Saratov Fall Meeting 2018: Laser Physics, Photonic Technologies, and Molecular Modeling, 1106614 (3 June 2019); doi: 10.1117/12.2521234
Show Author Affiliations
Michael V. Davidovich, Saratov State Univ. (Russian Federation)


Published in SPIE Proceedings Vol. 11066:
Saratov Fall Meeting 2018: Laser Physics, Photonic Technologies, and Molecular Modeling
Vladimir L. Derbov, Editor(s)

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