Shan Shan Gao, Hui Min Qiao, and Jia Lin Li
https://www.osapublishing.org/ome/abstract.cfm?uri=ome-8-2-452&origin=search
A high gain antenna with controlling electromagnetic surface propagation and radiation for terahertz application is proposed based on a holographic artificial impedance surface. The artificial impedance surface is composed of sub wavelength square metallic patches on a grounded dielectric slab. The effective surface impedance depends on the size of the patches and can be varied as a function of position and direction. Using the holographic technique enables the desired direction radiation and high gain to be achieved. The detailed design procedure of impedance modulation and the simulation results are presented.
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