Absorbing Two-Dimensionally Periodic Structures on New Plasmonic Materials


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Abstract

We study theoretically two-dimensionally periodic gratings of plasmonic strips on substrates which contain dielectric and plasmonic layers. The developed electrodynamic model is based on solving the vector integro-differential equation of diffraction by three-dimensional dielectric bodies by the Galerkin method. It is shown that at the resonant frequencies of the surface plasmon polariton, these structures absorb almost 100% of the energy of the incident radiation in a wide wavelength range. The use of nonmetal plasmonic materials makes it possible to create a wideband absorber of infrared waves.

About the authors

A. M. Lerer

Southern Federal University

Author for correspondence.
Email: lerer@sfedu.ru
Russian Federation, Rostov-on-Don

E. V. Golovacheva

Southern Federal University

Email: lerer@sfedu.ru
Russian Federation, Rostov-on-Don

I. N. Ivanova

Southern Federal University

Email: lerer@sfedu.ru
Russian Federation, Rostov-on-Don

V. V. Makhno

Southern Federal University

Email: lerer@sfedu.ru
Russian Federation, Rostov-on-Don

P. E. Timoshenko

Southern Federal University

Email: lerer@sfedu.ru
Russian Federation, Rostov-on-Don

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