Antenna applications of negative refraction parabolic lens of subwavelength hole arrays

Author

Beruete, M. ; Navarro-Cía, M. ; Campillo, I. ; Sorolla, M.

Author_Institution

Millimeter Wave Lab., Univ. Publica de Navarra, Pamplona

fYear

2009

fDate

2-4 March 2009

Firstpage

1

Lastpage

3

Abstract

A planoconcave parabolic lens exhibiting a negative index has been fabricated by using stacked subwavelength hole arrays as a route to build a metamaterial operating at millimeter wavelengths. The design consists of a staircase approximation of the ideal parabola profile by removing step by step one lattice in each dimension of the transversal section. Theory predicts power concentration at the focal point of the parabola when the refractive index equals -1. The possibility to employ these structures in antennas remains open.

Keywords

antenna accessories; lens antennas; lenses; metamaterials; refractive index; antenna; metamaterial; negative refraction parabolic lens; subwavelength hole arrays; Antenna arrays; Conferences; Geometrical optics; Lattices; Lenses; Metamaterials; Millimeter wave technology; Optical design; Optical losses; Optical refraction; Extraordinary Transmission; Left-Handed Metamaterials; Parabolic Lens; Submillimeter waves;

fLanguage

English

Publisher

ieee

Conference_Titel

Antenna Technology, 2009. iWAT 2009. IEEE International Workshop on

Conference_Location

Santa Monica, CA

Print_ISBN

978-1-4244-4395-6

Electronic_ISBN

978-1-4244-4396-3

Type

conf

DOI

10.1109/IWAT.2009.4906911

Filename

4906911