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Wide-Angle Impedance Matching Using Glide-Symmetric Metasurfaces
IEEE Microwave and Wireless Components Letters ( IF 2.374 ) Pub Date : 2019-12-23 , DOI: 10.1109/lmwc.2019.2955074
M. Ebrahimpouri; L. F. Herran; O. Quevedo-Teruel

This letter demonstrates that glide symmetry can be used to match the impedance of highly dense dielectric profiles in wide angle and broad bandwidth. Using glide-symmetric metasurfaces permits tuning the magnetic properties of materials, so high values of permittivity can be matched to free space in wideband. This matching is achieved without disturbing the performance of the device, since the refractive index remains fixed. The performance of the proposed matching method is validated through measurements for normal incidence. For oblique incidence, a hyperbolic dielectric lens is matched with glide-symmetric structures in simulations. These simulations demonstrate a smooth transmission of the fields, manifesting a well-matched profile of the lens.
更新日期:2020-01-10

 

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