Abstract
Based on classic electromagnetic Huygens' Principle and the concept of modern metamaterials, metamaterial Huygens surface, namely, metasurface (MTS) is presented to be the two-dimensional analogues of metamaterials. With the dense arrays of electrically small unit cells, the MTS can control electromagnetic waves and fields in either usual or unusual ways. Such unique electromagnetic properties greatly offer additional opportunities to innovate new antennas. This paper updates the latest progress in the MTS based antenna at microwave bands. First, the concept of the MTS is briefly introduced with a summary of applications of the MTS in microwave antenna design. After that, three of selected MTS based antenna techniques are elaborated with design examples. Finally, the promising applications of the MTS in antenna engineering are commented.
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