Broadband absorbers and selective emitters based on plasmonic Brewster metasurfaces

Christos Argyropoulos, Khai Q. Le, Nadia Mattiucci, Giuseppe D'Aguanno, Andrea Alù

Research output: Contribution to journalArticlepeer-review

196 Scopus citations

Abstract

We discuss the possibility of realizing utlrabroadband omnidirectional absorbers and angularly selective coherent thermal emitters based on properly patterned plasmonic metastructures. Instead of relying on resonant concentration effects that inherently limit the bandwidth, we base our design on the combination of two inherently nonresonant effects: plasmonic Brewster funneling and adiabatic plasmonic focusing. Using this approach, we propose compact, broadband absorption and emission spanning terahertz, infrared, and optical frequencies, ideal for various energy and defense applications.

Original languageEnglish (US)
Article number205112
JournalPhysical Review B - Condensed Matter and Materials Physics
Volume87
Issue number20
DOIs
StatePublished - May 10 2013

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

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