Circularly polarized proximity-coupled microstrip antennas

Yi Lung Lee; Tsair Rong Chen; Jeen Sheen Row

doi:10.1002/mop.21006

Circularly polarized proximity-coupled microstrip antennas

Yi Lung Lee, Tsair Rong Chen, Jeen Sheen Row

Department of Electrical Engineering

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

8 Citations (Scopus)

Abstract

A novel design for the production of circularly polarized radiation (CP) in proximity-fed microstrip antennas is presented. To achieve this circular-polarization design, the two orthogonal modes of the microstrip antenna are excited in series through the proximity coupling of an L-shaped open microstrip line. The experimental results show that the 3-dB axial-ratio CP bandwidth of the proposed design is increased by more than 30%, as compared to a conventional CP microstrip antenna of the same size. The details of the simulated and experimental results for the proposed design are presented and discussed.

Original language	English
Pages (from-to)	429-430
Number of pages	2
Journal	Microwave and Optical Technology Letters
Volume	46
Issue number	5
DOIs	https://doi.org/10.1002/mop.21006
Publication status	Published - 2005 Sep 5

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.21006

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N2 - A novel design for the production of circularly polarized radiation (CP) in proximity-fed microstrip antennas is presented. To achieve this circular-polarization design, the two orthogonal modes of the microstrip antenna are excited in series through the proximity coupling of an L-shaped open microstrip line. The experimental results show that the 3-dB axial-ratio CP bandwidth of the proposed design is increased by more than 30%, as compared to a conventional CP microstrip antenna of the same size. The details of the simulated and experimental results for the proposed design are presented and discussed.

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