Independently Tunable Annular Slot Antenna Resonant Frequencies Using Fluids

Casey Murray; Rhonda R. Franklin

doi:10.1109/LAWP.2014.2341232

Independently Tunable Annular Slot Antenna Resonant Frequencies Using Fluids

Casey Murray, Rhonda R. Franklin

Electrical and Computer Engineering

Research output: Contribution to journal › Article › peer-review

30 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 language	English (US)
Article number	6861425
Pages (from-to)	1449-1452
Number of pages	4
Journal	IEEE Antennas and Wireless Propagation Letters
Volume	13
DOIs	https://doi.org/10.1109/LAWP.2014.2341232
State	Published - 2014

Bibliographical note

Funding Information:
This work was supported in part by the National Science Foundation under Grant No. 1202329.

Publisher Copyright:
© 2014 IEEE.

Keywords

Fluidics
multifrequency antennas
slot antenna

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AB - 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.

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Independently Tunable Annular Slot Antenna Resonant Frequencies Using Fluids

Abstract

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