Frequency selective surface effects on a coplanar waveguide feedline in fabry-perot cavity antenna systems

Chanjoon Lee; Robert A Sainati; Rhonda R. Franklin

doi:10.1109/LAWP.2018.2815343

Frequency selective surface effects on a coplanar waveguide feedline in fabry-perot cavity antenna systems

Chanjoon Lee, Robert A Sainati, Rhonda R. Franklin

Electrical and Computer Engineering

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

6 Scopus citations

Abstract

Planar array designs and three-dimensional (3-D) high-density integration can degrade antenna performance due to feedline interference and coupling. To minimize this effect, a single source element with feedline is combined with a frequency selective surface (FSS) to form a Fabry-Perot Cavity antenna (FPCA) system. The FSS focusing of the antenna radiation also focuses the feedline energy, which can degrade the overall FPCA system radiation pattern. This letter presents a technique to reduce undesired feedline radiation enhanced by an FSS. Orientation-sensitive FSS designs are studied to minimize feedline electric field concentration above the FSS. Feedline radiation focusing above the FSS can be minimized from 4.95 to -2.4 dBi in the far field.

Original language	English (US)
Pages (from-to)	768-771
Number of pages	4
Journal	IEEE Antennas and Wireless Propagation Letters
Volume	17
Issue number	5
DOIs	https://doi.org/10.1109/LAWP.2018.2815343
State	Published - May 2018

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Publisher Copyright:
© 2018 IEEE.

Keywords

Antenna arrays
Fabry-Perot cavities (FPC)
Frequency selective surface (FSS)
Interference suppression

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10.1109/LAWP.2018.2815343

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abstract = "Planar array designs and three-dimensional (3-D) high-density integration can degrade antenna performance due to feedline interference and coupling. To minimize this effect, a single source element with feedline is combined with a frequency selective surface (FSS) to form a Fabry-Perot Cavity antenna (FPCA) system. The FSS focusing of the antenna radiation also focuses the feedline energy, which can degrade the overall FPCA system radiation pattern. This letter presents a technique to reduce undesired feedline radiation enhanced by an FSS. Orientation-sensitive FSS designs are studied to minimize feedline electric field concentration above the FSS. Feedline radiation focusing above the FSS can be minimized from 4.95 to -2.4 dBi in the far field.",

keywords = "Antenna arrays, Fabry-Perot cavities (FPC), Frequency selective surface (FSS), Interference suppression",

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AB - Planar array designs and three-dimensional (3-D) high-density integration can degrade antenna performance due to feedline interference and coupling. To minimize this effect, a single source element with feedline is combined with a frequency selective surface (FSS) to form a Fabry-Perot Cavity antenna (FPCA) system. The FSS focusing of the antenna radiation also focuses the feedline energy, which can degrade the overall FPCA system radiation pattern. This letter presents a technique to reduce undesired feedline radiation enhanced by an FSS. Orientation-sensitive FSS designs are studied to minimize feedline electric field concentration above the FSS. Feedline radiation focusing above the FSS can be minimized from 4.95 to -2.4 dBi in the far field.

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Frequency selective surface effects on a coplanar waveguide feedline in fabry-perot cavity antenna systems

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