Thermal emission from layered structures containing a negative-zero- positive index metamaterial

Li Gang Wang*, Gao Xiang Li, Shi Yao ZHU

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

12 Citations (Scopus)

Abstract

Motivated by the realization of the optical Dirac dispersion in the homogenous negative-zero-positive index (NZPI) material, we make a theoretical investigation on the properties of thermal emission in layered structures containing the NZPI medium. We find that when the thermal emission frequency is close to the Dirac point of the NZPI medium, the spectral hemispherical power of thermal emission in such a structure is strongly suppressed and the emission can become a high directional source with large spatial coherence.

Original languageEnglish
Article number073105
JournalPhysical Review B - Condensed Matter and Materials Physics
Volume81
Issue number7
DOIs
Publication statusPublished - 17 Feb 2010

Scopus Subject Areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

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