A design for circularly polarized ring slot antennas backed by thin grounded substrate

Wang Lin Liu; Mu Yi Chen; Tsair Rong Chen

doi:10.1002/mop.26885

A design for circularly polarized ring slot antennas backed by thin grounded substrate

Wang Lin Liu, Mu Yi Chen, Tsair Rong Chen

Department of Electrical Engineering

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

3 Citations (Scopus)

Abstract

This article presents a design for circularly polarized ring slot antennas backed by a metal plate with a small separated distance.The antenna is excited through a shorted L-shaped coupling strip, and good circular polarization performance can be obtained as long as the vertical arm of the L-shaped coupling strip is properly stretched. Both simulated and measured results demonstrate that the reflector-backed slot antenna gives an opposite polarization sense to its counterpart without the reflector.

Original language	English
Pages (from-to)	1768-1770
Number of pages	3
Journal	Microwave and Optical Technology Letters
Volume	54
Issue number	7
DOIs	https://doi.org/10.1002/mop.26885
Publication status	Published - 2012 Jul 1

All Science Journal Classification (ASJC) codes

Electronic, Optical and Magnetic Materials
Atomic and Molecular Physics, and Optics
Condensed Matter Physics
Electrical and Electronic Engineering

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10.1002/mop.26885

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AB - This article presents a design for circularly polarized ring slot antennas backed by a metal plate with a small separated distance.The antenna is excited through a shorted L-shaped coupling strip, and good circular polarization performance can be obtained as long as the vertical arm of the L-shaped coupling strip is properly stretched. Both simulated and measured results demonstrate that the reflector-backed slot antenna gives an opposite polarization sense to its counterpart without the reflector.

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