Polarization-Diverse Holographic Metasurfaces

Constantine A. Balanis; Constantine Balanis; Craig R. Birtcher; Hussein N. Shaman

doi:10.1109/LAWP.2018.2888811

Polarization-Diverse Holographic Metasurfaces

Constantine A. Balanis, Constantine Balanis, Craig R. Birtcher, Hussein N. Shaman

Research output: Contribution to journal › Article

5 Scopus citations

Abstract

This letter presents the design and fabrication of polarization-diverse metasurface leaky-wave antennas that are comprised of simple isotropic square patches. Multiple vertical monopoles are employed to excite the metasurface. Each source, or a combination of sources, is designed to enable the metasurface to form a pencil beam with the desired horizontal, vertical or circular polarization. A prototype of the antenna was realized, using a 3.175 mm thick substrate of dielectric constant 2.2, to operate at 12 GHz. It is also shown that, by employing only backward leaky waves to form the pencil beam, frequency scanning with a much larger scan-angle range can be achieved.

Original language	English (US)
Journal	IEEE Antennas and Wireless Propagation Letters
DOIs	https://doi.org/10.1109/LAWP.2018.2888811
State	Accepted/In press - Jan 1 2018

Keywords

Frequency Scanning
Holography
Leaky-wave antennas
Metasurfaces
Polarizationdiverse antennas

ASJC Scopus subject areas

Electrical and Electronic Engineering

Access to Document

10.1109/LAWP.2018.2888811

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Cite this

Balanis, C. A., Balanis, C., Birtcher, C. R., & Shaman, H. N. (Accepted/In press). Polarization-Diverse Holographic Metasurfaces. IEEE Antennas and Wireless Propagation Letters. https://doi.org/10.1109/LAWP.2018.2888811

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AB - This letter presents the design and fabrication of polarization-diverse metasurface leaky-wave antennas that are comprised of simple isotropic square patches. Multiple vertical monopoles are employed to excite the metasurface. Each source, or a combination of sources, is designed to enable the metasurface to form a pencil beam with the desired horizontal, vertical or circular polarization. A prototype of the antenna was realized, using a 3.175 mm thick substrate of dielectric constant 2.2, to operate at 12 GHz. It is also shown that, by employing only backward leaky waves to form the pencil beam, frequency scanning with a much larger scan-angle range can be achieved.

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