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

Michael V. Davidovich

doi:10.1117/12.2521234

3 June 2019 Amplification of optical and THZ surface plasmon-polaritons by electron beams

Michael V. Davidovich

Proceedings Volume 11066, Saratov Fall Meeting 2018: Laser Physics, Photonic Technologies, and Molecular Modeling; 1106614 (2019) https://doi.org/10.1117/12.2521234
Event: International Symposium on Optics and Biophotonics VI: Saratov Fall Meeting 2018, 2018, Saratov, Russian Federation

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.

Citation Download Citation

Michael V. Davidovich "Amplification of optical and THZ surface plasmon-polaritons by electron beams", Proc. SPIE 11066, Saratov Fall Meeting 2018: Laser Physics, Photonic Technologies, and Molecular Modeling, 1106614 (3 June 2019); https://doi.org/10.1117/12.2521234

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