Enriching the symmetry of maxwell equations through unprecedented magnetic responses of artificial metamaterials and their revolutionary applications

Yueh Chun Lai, Cheng Kuang Chen, Tsung Yu Huang, Ieng Wai Un, Yu Hang Yang, Ta Jen Yen

Research output: Contribution to journalReview articlepeer-review

1 Scopus citations

Abstract

The major issue regarding magnetic response in nature-"negative values for the permeability μ of material parameters, especially in terahertz or optical region" makes the electromagnetic properties of natural materials asymmetric. Recently, research in metamaterials has grown in significance because these artificial materials can demonstrate special and, indeed, extraordinary electromagnetic phenomena such as the inverse of Snell's law and novel applications. A critical topic in metamaterials is the artificial negative magnetic response, which can be designed in the higher frequency regime (from microwave to optical range). Artificial magnetism illustrates new physics and new applications, which have been demonstrated over the past few years. In this review, we present recent developments in research on artificial magnetic metamaterials including split-ring resonator structures, sandwich structures, and high permittivity-based dielectric composites. Engineering applications such as invisibility cloaking, negative refractive index medium, and slowing light fall into this category. We also discuss the possibility that metamaterials can be suitable for realizing new and exotic electromagnetic properties.

Original languageEnglish
Pages (from-to)283-304
Number of pages22
JournalSymmetry
Volume3
Issue number2
DOIs
StatePublished - 1 Jun 2011
Externally publishedYes

Keywords

  • Left-handed materials
  • Metamaterials
  • Microwaves
  • Optics
  • Resonance

ASJC Scopus subject areas

  • Computer Science (miscellaneous)
  • Chemistry (miscellaneous)
  • General Mathematics
  • Physics and Astronomy (miscellaneous)

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