Effect of truncating the superstructures in broadband Fabry-Pèrot cavity antennas

Raheel M. Hashmi; Basit A. Zeb; Karu P. Esselle; Stuart G. Hay

doi:10.1109/IMOC.2013.6646443

Effect of truncating the superstructures in broadband Fabry-Pèrot cavity antennas

Raheel M. Hashmi, Basit A. Zeb, Karu P. Esselle, Stuart G. Hay

Research output: Chapter in Book/Report/Conference proceeding › Conference proceeding contribution › peer-review

3 Citations (Scopus)

Abstract

Fabry-Perot cavity antennas, while offering design simplicity and high directivity, are promising candidates for microwave and millimeter wave communication links. Recommendations for effectively truncating the 1-D/2-D periodic structures, designed to act as superstructures in such antennas, are presented. It is shown that the aperture size in such antennas contributes, in part, towards the directivity-bandwidth product. A simple Fabry-Perot cavity antenna which uses a two layered 1-D Electromagnetic Band Gap (EBG) structure as its superstructure is studied to quantify the effects of aperture size on peak directivity and half-power directivity-bandwidth. Conventional aperture size for such antennas ranges from 5-6λ₀², which results in over-dimensioning as well as narrowband behavior. It is shown that comparable performance with existing designs can be achieved by using much smaller aperture sizes and thus reducing the antenna footprint. This work serves as a guide to effectively choose and fine-tune aperture sizes for Fabry-Perot cavity antennas, thus reducing the redundant computational load in the full-scale design process.

Original language	English
Title of host publication	2013 SBMO/IEEE MTT-S International Microwave and Optoelectronics Conference, IMOC 2013
Place of Publication	Piscataway, NJ
Publisher	Institute of Electrical and Electronics Engineers (IEEE)
Pages	1-4
Number of pages	4
ISBN (Print)	9781479913978
DOIs	https://doi.org/10.1109/IMOC.2013.6646443
Publication status	Published - 2013
Event	2013 15th SBMO/IEEE MTT-S International Microwave and Optoelectronics Conference, IMOC 2013 - Rio de Janeiro, Brazil Duration: 4 Aug 2013 → 7 Aug 2013

Other

Other	2013 15th SBMO/IEEE MTT-S International Microwave and Optoelectronics Conference, IMOC 2013
Country/Territory	Brazil
City	Rio de Janeiro
Period	4/08/13 → 7/08/13

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10.1109/IMOC.2013.6646443

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title = "Effect of truncating the superstructures in broadband Fabry-P{\`e}rot cavity antennas",

abstract = "Fabry-Perot cavity antennas, while offering design simplicity and high directivity, are promising candidates for microwave and millimeter wave communication links. Recommendations for effectively truncating the 1-D/2-D periodic structures, designed to act as superstructures in such antennas, are presented. It is shown that the aperture size in such antennas contributes, in part, towards the directivity-bandwidth product. A simple Fabry-Perot cavity antenna which uses a two layered 1-D Electromagnetic Band Gap (EBG) structure as its superstructure is studied to quantify the effects of aperture size on peak directivity and half-power directivity-bandwidth. Conventional aperture size for such antennas ranges from 5-6λ02, which results in over-dimensioning as well as narrowband behavior. It is shown that comparable performance with existing designs can be achieved by using much smaller aperture sizes and thus reducing the antenna footprint. This work serves as a guide to effectively choose and fine-tune aperture sizes for Fabry-Perot cavity antennas, thus reducing the redundant computational load in the full-scale design process.",

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Hashmi, RM, Zeb, BA, Esselle, KP & Hay, SG 2013, Effect of truncating the superstructures in broadband Fabry-Pèrot cavity antennas. in 2013 SBMO/IEEE MTT-S International Microwave and Optoelectronics Conference, IMOC 2013., 6646443, Institute of Electrical and Electronics Engineers (IEEE), Piscataway, NJ, pp. 1-4, 2013 15th SBMO/IEEE MTT-S International Microwave and Optoelectronics Conference, IMOC 2013, Rio de Janeiro, Brazil, 4/08/13. https://doi.org/10.1109/IMOC.2013.6646443

Effect of truncating the superstructures in broadband Fabry-Pèrot cavity antennas. / Hashmi, Raheel M.; Zeb, Basit A.; Esselle, Karu P. et al.

2013 SBMO/IEEE MTT-S International Microwave and Optoelectronics Conference, IMOC 2013. Piscataway, NJ : Institute of Electrical and Electronics Engineers (IEEE), 2013. p. 1-4 6646443.

Research output: Chapter in Book/Report/Conference proceeding › Conference proceeding contribution › peer-review

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Effect of truncating the superstructures in broadband Fabry-Pèrot cavity antennas

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