Plane-Wave Excitation of Multi-Beam Modulated Metasurface Antennas
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Plane-Wave Excitation of Multi-Beam Modulated Metasurface Antennas
arXiv:2606.02222v1 Announce Type: new Abstract: This paper explores the design of multibeam metasurface (MTS) antennas excited by multi-directional plane-wave launchers. First, we solve the fundamental yet open problem of a plane surface wave (SW) that propagates obliquely to the modulation direction of a sinusoidally modulated MTS. Closed-form expressions are provided to accurately predict the beam pointing angles for any propagation direction of the illuminating plane SW and for any...