Abstract
A type of magnetic mirror entirely dominated by the magnetic quadrupole resonance in a dielectric metasurface consisting of a simple spherical particle square array is designed, with an operating frequency in the far infrared spectrum. The design controls the magnetic quadrupole resonance via the sizes and electromagnetic properties of the particles according to Mie theory and independently optimizes the reflectivity through the period of the metasurface. As a consequence, the designed magnetic mirror possesses notable electric field enhancement close to the interface and is robust to the period of the metasurface and the angle of incidence of the probing electromagnetic wave.
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