Title :
Transformation electromagnetics devices using tensor impedance surfaces
Author :
Patel, A.M. ; Grbic, A.
Author_Institution :
Dept. of Electr. Eng. & Comput. Sci., Univ. of Michigan, Ann Arbor, MI, USA
Abstract :
A method for designing transformation electromagnetics devices using tensor impedance surfaces (TISs) is presented. The method allows anisotropic TISs to be designed that can support tangential wave vector distributions and power flow directions specified by a coordinate transformation. A beam-shifting device is designed using an anisotropic surface that allows a surface wave with a Gaussian profile to be shifted laterally at 10 GHz. The design is verified with a commercial full-wave solver. This work opens new opportunities for the design and implementation of surfaces that can guide or radiate electromagnetic fields.
Keywords :
electromagnetic devices; microwave devices; Gaussian profile; TIS; anisotropic surface; beam-shifting device; coordinate transformation; electromagnetic fields; frequency 10 GHz; power flow directions; tangential wave vector distributions; tensor impedance surfaces; transformation electromagnetics devices; Electromagnetics; Impedance; Optical surface waves; Surface impedance; Surface waves; Tensile stress; Vectors; Metasurfaces; surface impedance; surface waves; tensor surfaces; transformation electromagnetics;
Conference_Titel :
Microwave Symposium Digest (IMS), 2013 IEEE MTT-S International
Conference_Location :
Seattle, WA
Print_ISBN :
978-1-4673-6177-4
DOI :
10.1109/MWSYM.2013.6697700
