Polarization Effects and Resonance Absorption in Terahertz Wave Diffraction on Graphene Metasurfaces


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Аннотация

A task on the electromagnetic wave diffraction on graphene metasurfaces—the 2D periodic lattices of rectangular graphene nanoribbons placed on substrates with dielectric and graphene layers—is solved using three electromagnetic methods. The coefficients of transmission through THz polarizers based on graphene metasurfaces are studied as a function of frequency with the orientation angles of incident TEM wave vectors varying relative to the graphene nanoribbons for various values of the chemical potential. It is shown that graphene metasurfaces on multilayer substrates at surface plasmon polariton resonant frequencies are electrically tunable absorbers of almost 100% incident energy in the THz frequency range.

Авторлар туралы

G. Makeeva

Penza State University

Email: lerer@sfedu.ru
Ресей, Penza, 440026

A. Lerer

Faculty of Physics, Southern Federal University

Хат алмасуға жауапты Автор.
Email: lerer@sfedu.ru
Ресей, Rostov-on-Don, 344090

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