Anti-reflection implementations for terahertz waves

Yuting Wu Chen, Xi Cheng Zhang

Research output: Contribution to journalReview article

Abstract

Undesired reflection caused by impedance mismatch can lead to significant power loss and other unwanted effects. In the terahertz regime, anti-reflection method has evolved from simple quarter-wave antireflection coating to sophisticated metamaterial device and photonic structures. In this paper, we examined and compared the theories and techniques of several antireflection implementations for terahertz waves, with emphasis on gradient index photonic structures. A comprehensive study is presented on the design, fabrication and evaluation of this new approach.

Original languageEnglish (US)
Pages (from-to)243-262
Number of pages20
JournalFrontiers of Optoelectronics
Volume7
Issue number2
DOIs
StatePublished - Jun 2014
Externally publishedYes

Keywords

  • anti-reflection
  • gradient index
  • photonic structure
  • terahertz

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Electrical and Electronic Engineering

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