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Impedance metasurface can establish a link between an electromagnetic surface wave and spatial wave and hence has attracted much attention of researchers in recent years. The holographic method, which is well known in the optical area, has also the great ability to shape the radiated beams in the microwave band by introducing the concept of surface impedance. Here, we propose a method to shape the radiated beams at two different wavelengths using single-layer multiplexing holographic impedance metasurface with in-plane feeding. For one w
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