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Terahertz metamaterials for linear polarization conversion and anomalous refraction
Nathaniel K. Grady, Jane E. Heyes, Dibakar Roy Chowdhury +6
Polarization is one of the basic properties of electromagnetic waves conveying valuable information in signal transmission and sensitive measurements. Conventional methods for adva…
A reinterpretation of the metamaterial perfect absorber
Yong Zeng, Hou-Tong Chen, Diego A. R. Dalvit
We develop a simple treatment of a metamaterial perfect absorber (MPA) based on grating theory. We analytically prove that the condition of MPA requires the existence of two curren…
Two-dimensional Inside-out Eaton Lens: Wave Properties and Design
Yong Zeng, Douglas H. Werner
Department of Electrical Engineering, Pennsylvania State University, University Park, PA 16802
Dynamical electric dipole theory for quantitatively describing coupled split-ring resonators
Yong Zeng, Douglas H. Werner
Metallic split-ring resonators possess dominant electric dipoles as well as considerable magnetic dipoles under proper excitations. Full-wave numerical approaches are frequently em…
A lossless metamaterial with tunable permittivity and its application as a compact phase shifter
Yong Zeng, Qi Wu, Douglas H. Werner
In this Letter, we propose a new type of lossless metamaterial whose effective permittivity is tunable from negative to positive values. Its optical response is studied analyticall…
Electrostatic theory for designing lossless negative permittivity metamaterials
Yong Zeng, Qi Wu, Douglas H. Werner
In this Letter, we develop an electrostatic theory for designing bulk composites with effective lossless negative permittivities. The theory and associated design procedure are val…