Dolphin-shaped cell circle array metasurface
A metasurface and dolphin technology, applied in the field of optics and optoelectronics, can solve the problem of insufficient control of linearly polarized light, and achieve the effect of simple manufacturing
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[0014] Such as figure 1 As shown, the dolphin-shaped cell circular array metasurface provided by the present invention is a circular array-shaped micro-nano metal structure, and a circular array is formed by a plurality of dolphin-shaped metal cell structures arranged in equiangular rotation, and the dolphin-shaped cell The central axis of the structure always points to the center of the circle array. The geometric structure of the dolphin-shaped metal cell is composed of two semi-crescent structures connected at cross-sections with opposite tips. The semi-crescent structure is obtained by intercepting two semi-cylindrical bodies. . The number of dolphin-shaped cells arranged on the circular array is N (N≥3 and N is a positive integer), and the connection line between the geometric center of the dolphin-shaped cell and the geometric center of the circular array divides the circle into N equal parts, and the structure of the dolphin-shaped cell The central axis always points t...
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