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Manipulating polarizations and reflecting angles of electromagnetic fields simultaneously from conformal meta-mirrors

The reflecting spectra from convex meta-mirrors are investigated in this paper, where the polarizations and reflecting angles of electromagnetic fields are shown to be tunable at the same time through a proper arrangement of subwavelength ring patches. Especially, the 45°-skew-ring patches are employed to tune the amplitudes and phases of two orthogonal polarized components of electromagnetic fields with a fixed phase difference of 90°, thus enable the transformations of linearly polarized waves to circularly polarized waves while redirecting the reflected waves. Such a design is then extended into other conformal meta-mirrors with planar and concave profiles and also demonstrates the excellent performances of polarization conversions and anomalous reflections simultaneously. The present approach of building up a beam deflector and polarization converter simultaneously using meta-mirrors should pave the way for the development of conformal components on surfaces of various platforms.The reflecting spectra from convex meta-mirrors are investigated in this paper, where the polarizations and reflecting angles of electromagnetic fields are shown to be tunable at the same time through a proper arrangement of subwavelength ring patches. Especially, the 45°-skew-ring patches are employed to tune the amplitudes and phases of two orthogonal polarized components of electromagnetic fields with a fixed phase difference of 90°, thus enable the transformations of linearly polarized waves to circularly polarized waves while redirecting the reflected waves. Such a design is then extended into other conformal meta-mirrors with planar and concave profiles and also demonstrates the excellent performances of polarization conversions and anomalous reflections simultaneously. The present approach of building up a beam deflector and polarization converter simultaneously using meta-mirrors should pave the way for the development of conformal components on surfaces of various platforms.