Dual-band ring slot antenna with circular polarization

Chin Sung Lin, Li Ting Chen, Tsair Rong Chen, Jeen-Sheen Row

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

A design for dual-band circularly polarized (CP) antennas is presented. The antenna is composed of two concentric shorted annular slots, and each slot can generate CP radiation at its one wavelength resonant mode or one-and-a-half wavelength resonant mode by varying the position of the shorted section. When the one wavelength mode of the outer slot and the one-and-a-half wavelength mode of the inner slot are simultaneously excited with a microstrip line, the antenna has two CP operating frequencies with a large frequency ratio (FR). A small FR can also be achieved when the outer and inner annular slots are operated at the one-and-a-half wavelength mode and one wavelength mode, respectively. For the proposed design, two examples with the FRs of 1.05 and 1.9 are designed and implemented. Details of the experimental results are shown.

Original languageEnglish
Pages (from-to)2077-2080
Number of pages4
JournalMicrowave and Optical Technology Letters
Volume55
Issue number9
DOIs
Publication statusPublished - 2013 Sep 1

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slot antennas
Circular polarization
Slot antennas
circular polarization
slots
Wavelength
rings
wavelengths
antennas
Antennas
polarized radiation
Microstrip lines
Radiation

All Science Journal Classification (ASJC) codes

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

Cite this

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abstract = "A design for dual-band circularly polarized (CP) antennas is presented. The antenna is composed of two concentric shorted annular slots, and each slot can generate CP radiation at its one wavelength resonant mode or one-and-a-half wavelength resonant mode by varying the position of the shorted section. When the one wavelength mode of the outer slot and the one-and-a-half wavelength mode of the inner slot are simultaneously excited with a microstrip line, the antenna has two CP operating frequencies with a large frequency ratio (FR). A small FR can also be achieved when the outer and inner annular slots are operated at the one-and-a-half wavelength mode and one wavelength mode, respectively. For the proposed design, two examples with the FRs of 1.05 and 1.9 are designed and implemented. Details of the experimental results are shown.",
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Dual-band ring slot antenna with circular polarization. / Lin, Chin Sung; Chen, Li Ting; Chen, Tsair Rong; Row, Jeen-Sheen.

In: Microwave and Optical Technology Letters, Vol. 55, No. 9, 01.09.2013, p. 2077-2080.

Research output: Contribution to journalArticle

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