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L-shaped metallic antenna for linear polarization conversion in reflection

  • Patrick Bouchon
  • , Quentin Lévesque
  • , Mathilde Makhsiyan
  • , Fabrice Pardo
  • , Julien Jaeck
  • , Riad Haïdar
  • , Jean Luc Pelouard
  • ONERA Office National d'Etudes et Recherches Aerospatiales
  • Centre national de la recherche scientifique

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

3 Citations (Scopus)

Abstract

The design of metasurfaces able to efficiently control the polarization state of an electromagnetic wave is of importance for various applications. We demonstrate both theoretically and experimentally that plasmonic planar L-shaped antennas can induce a 90° -rotation of the linear polarization of light with a nearly total efficiency in the infrared (3-5 μm). The influence of the in-plane geometry of the nanoantenna is investigated, and it is shown that it can be engineered so that the polarization conversion occurs over a 1 μm-wide spectral band ([3.25-4.25] μm) with a mean polarization conversion efficiency of 95%. These results are experimentally confirmed on two samples with distinctive geometries.

Original languageEnglish
Title of host publicationPhotonic and Phononic Properties of Engineered Nanostructures V
EditorsAxel Scherer, Ali Adibi, Shawn-Yu Lin
PublisherSPIE
ISBN (Electronic)9781628414615
DOIs
Publication statusPublished - 1 Jan 2015
Externally publishedYes
EventPhotonic and Phononic Properties of Engineered Nanostructures V - San Francisco, United States
Duration: 9 Feb 2015 → 12 Feb 2015

Publication series

NameProceedings of SPIE - The International Society for Optical Engineering
Volume9371
ISSN (Print)0277-786X
ISSN (Electronic)1996-756X

Conference

ConferencePhotonic and Phononic Properties of Engineered Nanostructures V
Country/TerritoryUnited States
CitySan Francisco
Period9/02/15 → 12/02/15

Keywords

  • Nano-antenna
  • Plasmonic
  • converter
  • polarization

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