A polarization reconfigurable microstrip patch antenna using liquid metal microfluidics

Anthony S. Griffin; Hong Pan; Joel D. Barrera; Gregory H. Huff; Scott R. White; Nancy R. Sottos

doi:10.1088/1361-665X/ab78b3

A polarization reconfigurable microstrip patch antenna using liquid metal microfluidics

Anthony S. Griffin, Hong Pan, Joel D. Barrera, Gregory H. Huff, Scott R. White, Nancy R. Sottos

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

Abstract

A polarization reconfigurable microstrip patch antenna is achieved using eutectic gallium indium (EGaIn) confined in microfluidic channels. The antenna topology is derived from an orthogonal overlay of two linearly polarized narrow-width microstrip patch antennas. The resulting structure isolated each patch around a common feed structure that has a microfluidic network embedded into a superstrate. Reconfiguration occurs by the reversible filling and extraction of the liquid metal through the back plane of the antenna into microchannels that provide interconnections to the feed point. The microchannels are fabricated using 3D printing of a sacrificial ink in a thermally stable structural low-loss epoxy.

Original language	English (US)
Article number	045032
Journal	Smart Materials and Structures
Volume	29
Issue number	4
DOIs	https://doi.org/10.1088/1361-665X/ab78b3
State	Published - Mar 16 2020

ASJC Scopus subject areas

Signal Processing
Civil and Structural Engineering
Atomic and Molecular Physics, and Optics
General Materials Science
Condensed Matter Physics
Mechanics of Materials
Electrical and Electronic Engineering

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10.1088/1361-665X/ab78b3

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abstract = "A polarization reconfigurable microstrip patch antenna is achieved using eutectic gallium indium (EGaIn) confined in microfluidic channels. The antenna topology is derived from an orthogonal overlay of two linearly polarized narrow-width microstrip patch antennas. The resulting structure isolated each patch around a common feed structure that has a microfluidic network embedded into a superstrate. Reconfiguration occurs by the reversible filling and extraction of the liquid metal through the back plane of the antenna into microchannels that provide interconnections to the feed point. The microchannels are fabricated using 3D printing of a sacrificial ink in a thermally stable structural low-loss epoxy.",

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AB - A polarization reconfigurable microstrip patch antenna is achieved using eutectic gallium indium (EGaIn) confined in microfluidic channels. The antenna topology is derived from an orthogonal overlay of two linearly polarized narrow-width microstrip patch antennas. The resulting structure isolated each patch around a common feed structure that has a microfluidic network embedded into a superstrate. Reconfiguration occurs by the reversible filling and extraction of the liquid metal through the back plane of the antenna into microchannels that provide interconnections to the feed point. The microchannels are fabricated using 3D printing of a sacrificial ink in a thermally stable structural low-loss epoxy.

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A polarization reconfigurable microstrip patch antenna using liquid metal microfluidics

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