ITM Web Conf.
Volume 30, 201929th International Crimean Conference “Microwave & Telecommunication Technology” (CriMiCo’2019)
|Number of page(s)||10|
|Section||Nanoelectronics and Nanotechnology (5b)|
|Published online||27 November 2019|
Theory for anomalous refraction of visible light by the plane array of metallic waveguides
1 National Research Centre «Kurchatov Institute», 123182, Moscow, Kurchatov sq. 1, Russia
2 Moscow Institute of Physics and Technology, 141701, Dolgoprudny, 9 Institutskiy per., Russia
E-mail: iyppolishchuk@gmail. com
The effect of anomalous or negative angle refraction in the periodic systems of silver waveguides is investigated. This effect arises solely due to the waveguide interaction and requires the system of specific geometrical configuration. It is also shown that the propagation constant provides a flexible mechanism to manipulate the anomalous refraction. We employ the multiple scattering formalism based on the exact solution of the Maxwell equations for a single waveguide problem. Also the method based on the lattice sum transformation into a fast convergent series is involved.
This technique dramatically decreases the time necessary for performing the numerical simulations and increases the accuracy of the computational process. It is shown that all the directions, which the periodic system is possible to radiate, can be obtained beforehand, i.e. analytically, without numerical simulations. The latter ones are needed to determine energy the flux going into each of those directions.
© The Authors, published by EDP Sciences, 2019
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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