Dual-band circularly polarized annular ring slot antenna

Li Ting Chen, Jia Fu Tsai, Ming Jyun Hou, Jeen-Sheen Row

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2 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 circular polarization 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, the antenna has two CP operating frequencies with a large frequency ratio. A small frequency ratio 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. Two examples with the frequency ratios of 1.05 and 2 are designed and implemented. Details of the experimental results are shown.

Original languageEnglish
Title of host publication2012 Asia-Pacific Microwave Conference, APMC 2012 - Proceedings
Pages46-48
Number of pages3
DOIs
Publication statusPublished - 2012 Dec 1
Event2012 Asia-Pacific Microwave Conference, APMC 2012 - Kaohsiung, Taiwan
Duration: 2012 Dec 42012 Dec 7

Other

Other2012 Asia-Pacific Microwave Conference, APMC 2012
CountryTaiwan
CityKaohsiung
Period12-12-0412-12-07

Fingerprint

Slot antennas
Wavelength
Antennas
Circular polarization
Radiation

All Science Journal Classification (ASJC) codes

  • Electrical and Electronic Engineering

Cite this

Chen, L. T., Tsai, J. F., Hou, M. J., & Row, J-S. (2012). Dual-band circularly polarized annular ring slot antenna. In 2012 Asia-Pacific Microwave Conference, APMC 2012 - Proceedings (pp. 46-48). [6421493] https://doi.org/10.1109/APMC.2012.6421493
Chen, Li Ting ; Tsai, Jia Fu ; Hou, Ming Jyun ; Row, Jeen-Sheen. / Dual-band circularly polarized annular ring slot antenna. 2012 Asia-Pacific Microwave Conference, APMC 2012 - Proceedings. 2012. pp. 46-48
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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 circular polarization 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, the antenna has two CP operating frequencies with a large frequency ratio. A small frequency ratio 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. Two examples with the frequency ratios of 1.05 and 2 are designed and implemented. Details of the experimental results are shown.",
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Chen, LT, Tsai, JF, Hou, MJ & Row, J-S 2012, Dual-band circularly polarized annular ring slot antenna. in 2012 Asia-Pacific Microwave Conference, APMC 2012 - Proceedings., 6421493, pp. 46-48, 2012 Asia-Pacific Microwave Conference, APMC 2012, Kaohsiung, Taiwan, 12-12-04. https://doi.org/10.1109/APMC.2012.6421493

Dual-band circularly polarized annular ring slot antenna. / Chen, Li Ting; Tsai, Jia Fu; Hou, Ming Jyun; Row, Jeen-Sheen.

2012 Asia-Pacific Microwave Conference, APMC 2012 - Proceedings. 2012. p. 46-48 6421493.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

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N2 - 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 circular polarization 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, the antenna has two CP operating frequencies with a large frequency ratio. A small frequency ratio 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. Two examples with the frequency ratios of 1.05 and 2 are designed and implemented. Details of the experimental results are shown.

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Chen LT, Tsai JF, Hou MJ, Row J-S. Dual-band circularly polarized annular ring slot antenna. In 2012 Asia-Pacific Microwave Conference, APMC 2012 - Proceedings. 2012. p. 46-48. 6421493 https://doi.org/10.1109/APMC.2012.6421493