Independently Tunable Annular Slot Antenna Resonant Frequencies Using Fluids

Casey Murray, Rhonda R. Franklin

Research output: Contribution to journalArticle

19 Scopus citations

Abstract

An annular slot antenna with surface integrated fluidic channels is presented. The fluidic channels provide independent, tunable control of the first and second resonant frequencies. Simulation and measurement results for channels filled with air, acetone, or deionized (DI) water are investigated. A tunable range from 3.3 to 4.2 GHz for the first resonance and 5.2 to 8 GHz for the second resonance is demonstrated. The loss tangent effects are also assessed for the fluids in terms of peak realized gain degradation.

Original languageEnglish (US)
Article number6861425
Pages (from-to)1449-1452
Number of pages4
JournalIEEE Antennas and Wireless Propagation Letters
Volume13
DOIs
StatePublished - Jan 1 2014

Keywords

  • Fluidics
  • multifrequency antennas
  • slot antenna

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