A size reduced crlh resonant antenna based on interdigital capacitors with defected ground structure

M. J. Lee, S. Pyo, W. S. Yoon, I. C. Shin, Y. S. Kim

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

A new composite right/left-handed (CRLH) resonant antenna with interdigital capacitors for a size reduction is proposed in this letter. This antenna consists of three sectional patches, two interdigital lines (capacitors) with a defected ground, and two shorting pins. A rectangular patch is split into three sections and each section is coupled with an interdigital line. When the proposed antenna is operated in the LH resonant mode, the antenna size is reduced by 33% and the antenna gain is increased by 7 dB as compared with one without defected ground structures.

Original languageEnglish
Pages (from-to)2142-2145
Number of pages4
JournalMicrowave and Optical Technology Letters
Volume52
Issue number9
DOIs
Publication statusPublished - 2010 Sep

Keywords

  • Defected ground structure
  • Interdigital capacitor
  • Metamaterial
  • Microstrip antennas
  • Periodic structures

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Atomic and Molecular Physics, and Optics
  • Condensed Matter Physics
  • Electrical and Electronic Engineering

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