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Orbital Angular Momentum Generation and Detection by Geometric-Phase Based Metasurfaces
Published 9 Mar 2018 in physics.optics | (1803.03402v1)
Abstract: We present a comprehensive review on the geometric-phase based metasurfaces for orbital angular momentum(OAM) generation and detection. These metasurfaces manipulate the electromagnetic (EM) wave by introducing abrupt phase change, which is strongly dependent on the polarization state of incident EM wave and can be interpreted by geometric phase. Hence, the conventional bulk devices that based on the accumulated phase change along the optical path can be avoided.
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