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Geometric phase in plane-wave transmission by a dielectric structurally chiral slab with a central phase defect
A slab made of a dielectric structurally chiral medium (DSCM) strongly reflects the cohanded circularly polarized plane wave, but not the crosshanded circularly polarized plane wave, in a spectral regime called the circular Bragg regime. The effect of inserting a central phase defect in a DSCM slab with a modest …