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Ultra-thin metamaterials, called meta-surfaces or meta-sheets, open up new\udopportunities in designing microwave radomes, including an improved\udtransmission over a broader range of antenna scan angles, tailorable and\udreconfigurable frequency bands, polarization transformations, one-way\udtransmission and switching ability. The smallness of the unit cells combined\udwith the large electrical size of microwave radomes significantly complicates\udfull-wave numerical simulations as a very fine sampling over an electrically\udlarge area is required. Physical optics (PO) can be used to approximately\uddescribe transmission through the radome in terms of the homogenized\udtransmission coefficient of the radome wall. This paper presents the results\udof numerical simulations of electromagnetic transmission through planar\udmeta-sheets (infinite and circularly shaped) obtained by using a full-wave\udelectromagnetic field simulator and a PO-based solution

Physical optics and full-wave simulations of transmission of electromagnetic fields through electrically large planar meta-sheets