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2D square lattice photonic crystal based on hollow cylinder and connecting plates
2D square lattice photonic crystal based on hollow cylinder and connecting plates
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机译:基于中空圆柱体和连接板的二维方格光子晶体
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摘要
A two-dimensional (2D) square-lattice photonic crystal (PhC) based on a circular hollow dielectric cylinder and flat dielectric cylinders include a high-refractive-index dielectric cylinder and a low-refractive-index dielectric background, the PhC structure is formed by arranging unit cells in a square-lattice; one lattice constant of the square-lattice PhC is a; each unit cell includes a circular hollow dielectric cylinder and flat dielectric cylinders; and the circular hollow dielectric cylinder is connected to four flat dielectric cylinders; a width D of the flat dielectric cylinder is 0.01a to 0.2a, an outer diameter R of the circular hollow dielectric cylinder is 0.1a to 0.5a, and a ratio T of a difference between an inner diameter and an outer diameter of the circular hollow dielectric cylinder to the outer diameter of the circular hollow dielectric cylinder is 0.01 to 0.99.
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