Subwavelength cavity resonator microstrip antennas based on left-and right-handed metamaterial bilayered substrates

Rui Yang, Yong Jun Xie, Peng Wang, Tong Min Yang

Research output: Contribution to journalArticlepeer-review

9 Scopus citations

Abstract

By introducing cavity resonators to microstrip structures, subwavelength cavity resonator microstrip antennas with left- and right-handed metamaterial bilayered substrates are proposed and investigated. Due to the phase compensation, the total height of the antennas is reduced rather than increased. With certain sets of parameters, as a breakthrough to the restricted bandwidth of the conventional microstrip antennas, greatly broadened bandwidth can be achieved. Under other conditions, antennas with narrow bandwidth and resonant sensitivity can be realized. Corresponding applications for sensor use are proposed, and distinct advantages over the nonresonant electromagnetic wave sensors are demonstrated.

Original languageEnglish
Pages (from-to)4504-4508
Number of pages5
JournalWuli Xuebao/Acta Physica Sinica
Volume56
Issue number8
StatePublished - Aug 2007
Externally publishedYes

Keywords

  • Cavity resonator
  • Left-handed metamaterials
  • Microstrip antenna

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