Focusing millimetre waves by means of a permittivity-near zero narrow-waveguide lens

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Authors

  • V. Pacheco-Peña
  • V. Torres
  • B. Orazbayev
  • M. Beruete
  • N. Engheta

Colleges, School and Institutes

External organisations

  • Universidad Pública de Navarra
  • University of Pennsylvania

Abstract

An epsilon-near zero (ENZ) plano-concave lens is designed, numerically studied and experimentally demonstrated at millimeter-waves. The metallic lens is synthesized by an array of stacked narrow hollow rectangular waveguides working near cutoff emulating an ENZ medium. At the working frequency (f0 = 144 GHz, λ0 = 2.08 mm) the focusing properties of the lens demonstrate an experimental transmission power enhancement of 15.9 dB with a good impedance matching with free space.

Details

Original languageEnglish
Title of host publication2014 8th International Congress on Advanced Electromagnetic Materials in Microwaves and Optics, METAMATERIALS 2014
Publication statusPublished - 5 Nov 2014
Event2014 8th International Congress on Advanced Electromagnetic Materials in Microwaves and Optics, METAMATERIALS 2014 - Copenhagen, Denmark
Duration: 25 Aug 201428 Aug 2014

Conference

Conference2014 8th International Congress on Advanced Electromagnetic Materials in Microwaves and Optics, METAMATERIALS 2014
CountryDenmark
CityCopenhagen
Period25/08/1428/08/14