Positive/negative refractive index anisotropic 2-D metamaterials

Author

Caloz, Christophe ; Itoh, Tatsuo

Author_Institution

Dept. of Electr. Eng., Univ. of California, Los Angeles, CA, USA

Volume

13

Issue

12

fYear

2003

Firstpage

547

Lastpage

549

Abstract

An anisotropic metamaterial, based on a transmission line (TL) approach, that exhibits positive refractive index (PRI) in one direction and negative refractive index (NRI) in another (orthogonal) direction is presented, characterized and demonstrated in terms of analytic dispersion diagrams, equivalent refractive indexes, and circuit-simulated voltage/current/power distributions. This anisotropic structure may also be implemented in distributed architectures and lead to novel antenna and reflector applications.

Keywords

arrays; microwave materials; periodic structures; refractive index; transmission line matrix methods; 2-D array; 2-D metamaterial; analytic dispersion diagrams; anisotropic metamaterial; antenna applications; circuit-simulated voltage-current-power distributions; constitutive parameters; distributed architectures; equivalent refractive indexes; negative refractive index; periodic repetition; positive refractive index; reflector applications; transmission line approach; transmission matrix; Anisotropic magnetoresistance; Capacitors; Circuits; Frequency; Inductors; Metamaterials; Permeability; Permittivity; Refractive index; Transmission line theory;

fLanguage

English

Journal_Title

Microwave and Wireless Components Letters, IEEE

Publisher

ieee

ISSN

1531-1309

Type

jour

DOI

10.1109/LMWC.2003.820641

Filename

1261779