Tunable metamaterials for conformally mapped Transformation Optics lenses

Jeremiah P. Turpin, Zhi Hao Jiang, Pingjuan Li Werner, Douglas Henry Werner

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

4 Scopus citations

Abstract

The Transformation Optics (TO) design methodology allows for unprecedented control over wave behavior when coupled with advanced metamaterial technology [1,2]. The ubiquitous application of TO is the optical cloak of invisibility [1,2], but sub-wavelength hyperlenses and far-field collimating flat lenses [3-7] have also received a lot of attention due to their many possible practical applications. In addition, this class of TO devices tends to have a higher tolerance for dispersive, narrowband metamaterial properties. Most TO-derived devices require complicated material parameters for implementation [3-6], but choosing a conformal mapping as the transformation can greatly simplify the resulting material specifications [7]. It is shown here that a far-field collimating quadbeam lens derived from a conformal mapping can be implemented by a simple uniaxial homogeneous metamaterial. Full-wave simulations demonstrate the lens performance under excitation by a line current source. Moreover, a tunable metamaterial design for a TE-mode device is introduced along with simulation results showing the capability for beam scanning through electrical tuning of the metamaterial.

Original languageEnglish (US)
Title of host publication2010 IEEE International Symposium on Antennas and Propagation and CNC-USNC/URSI Radio Science Meeting - Leading the Wave, AP-S/URSI 2010
DOIs
StatePublished - 2010
Event2010 IEEE International Symposium on Antennas and Propagation and CNC-USNC/URSI Radio Science Meeting - Leading the Wave, AP-S/URSI 2010 - Toronto, ON, Canada
Duration: Jul 11 2010Jul 17 2010

Other

Other2010 IEEE International Symposium on Antennas and Propagation and CNC-USNC/URSI Radio Science Meeting - Leading the Wave, AP-S/URSI 2010
Country/TerritoryCanada
CityToronto, ON
Period7/11/107/17/10

All Science Journal Classification (ASJC) codes

  • Computer Networks and Communications
  • Hardware and Architecture

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