Designs of spiral slot antennas with dual-frequency operation

Jeen Sheen Row, Li Ting Chen

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

Dual-frequency slot antennas with different polarization combinations are studied in this article. The antenna is a single-arm spiral slot fed by a microstrip line. A comparison between the circular polarization (CP) design methods of a shorted ring slot antenna and a spiral slot antenna is first made. By the comparison results, a design for dual-frequency CP spiral slot antennas is then drawn. Moreover, it is found that, by rotating the spiral slot, the polarization senses at the two operating frequencies can be varied among three different combinations, including (left-handed CP, right-handed CP), (right-handed CP, left-handed CP), and (linear polarization, linear polarization). Simulation and experimental results for the performances of the antenna operating at each polarization combination are shown in detail.

Original languageEnglish
Pages (from-to)2294-2297
Number of pages4
JournalMicrowave and Optical Technology Letters
Volume56
Issue number10
DOIs
Publication statusPublished - 2014 Oct

Fingerprint

spiral antennas
Spiral antennas
slot antennas
Circular polarization
Slot antennas
circular polarization
Polarization
linear polarization
slots
polarization
antennas
Antennas
Microstrip lines
Antenna feeders
rings

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 = "Dual-frequency slot antennas with different polarization combinations are studied in this article. The antenna is a single-arm spiral slot fed by a microstrip line. A comparison between the circular polarization (CP) design methods of a shorted ring slot antenna and a spiral slot antenna is first made. By the comparison results, a design for dual-frequency CP spiral slot antennas is then drawn. Moreover, it is found that, by rotating the spiral slot, the polarization senses at the two operating frequencies can be varied among three different combinations, including (left-handed CP, right-handed CP), (right-handed CP, left-handed CP), and (linear polarization, linear polarization). Simulation and experimental results for the performances of the antenna operating at each polarization combination are shown in detail.",
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Designs of spiral slot antennas with dual-frequency operation. / Row, Jeen Sheen; Chen, Li Ting.

In: Microwave and Optical Technology Letters, Vol. 56, No. 10, 10.2014, p. 2294-2297.

Research output: Contribution to journalArticle

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