The use of near-field phase transformation to design a low-profile azimuthal beam scanning antenna system

Muhammad U. Afzal; Karu P. Esselle

doi:10.1109/ICEAA.2017.8065357

The use of near-field phase transformation to design a low-profile azimuthal beam scanning antenna system

Muhammad U. Afzal, Karu P. Esselle

School of Engineering

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

3 Citations (Scopus)

Abstract

An azimuthal beam-scanning antenna system has been developed using near-field phasetransformation technique. The antenna system is comprised of a resonant-cavity antenna (RCA) and two metasurfaces, one for beam-focusing and the other one for beam-steering. Both metasurfaces are placed at a fractional-wavelength spacing from the RCA. Together, the two metasurfaces focus a broadside beam of the RCA to an offset angle away from the broadside direction. Then, by keeping the RCA fix and simply rotating the beam-steering metasurface a complete 360° azimuthal scanning is demonstrated. The total height of the antenna system is only 1.3λ₀ and it maintains a planar and consistent profile while scanning.

Original language	English
Title of host publication	Proceedings of the 19th International Conference on Electromagnetics in Advanced Applications, ICEAA 2017
Place of Publication	Piscataway
Publisher	Institute of Electrical and Electronics Engineers (IEEE)
Pages	750-753
Number of pages	4
ISBN (Electronic)	9781509044511
ISBN (Print)	9781509044528
DOIs	https://doi.org/10.1109/ICEAA.2017.8065357
Publication status	Published - 11 Oct 2017
Event	19th International Conference on Electromagnetics in Advanced Applications, ICEAA 2017 - Verona, Italy Duration: 11 Sept 2017 → 15 Sept 2017

Conference

Conference	19th International Conference on Electromagnetics in Advanced Applications, ICEAA 2017
Country/Territory	Italy
City	Verona
Period	11/09/17 → 15/09/17

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10.1109/ICEAA.2017.8065357

Cite this

Afzal, M. U., & Esselle, K. P. (2017). The use of near-field phase transformation to design a low-profile azimuthal beam scanning antenna system. In Proceedings of the 19th International Conference on Electromagnetics in Advanced Applications, ICEAA 2017 (pp. 750-753). Article 8065357 Institute of Electrical and Electronics Engineers (IEEE). https://doi.org/10.1109/ICEAA.2017.8065357

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abstract = "An azimuthal beam-scanning antenna system has been developed using near-field phasetransformation technique. The antenna system is comprised of a resonant-cavity antenna (RCA) and two metasurfaces, one for beam-focusing and the other one for beam-steering. Both metasurfaces are placed at a fractional-wavelength spacing from the RCA. Together, the two metasurfaces focus a broadside beam of the RCA to an offset angle away from the broadside direction. Then, by keeping the RCA fix and simply rotating the beam-steering metasurface a complete 360° azimuthal scanning is demonstrated. The total height of the antenna system is only 1.3λ0 and it maintains a planar and consistent profile while scanning.",

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Afzal, MU & Esselle, KP 2017, The use of near-field phase transformation to design a low-profile azimuthal beam scanning antenna system. in Proceedings of the 19th International Conference on Electromagnetics in Advanced Applications, ICEAA 2017., 8065357, Institute of Electrical and Electronics Engineers (IEEE), Piscataway, pp. 750-753, 19th International Conference on Electromagnetics in Advanced Applications, ICEAA 2017, Verona, Italy, 11/09/17. https://doi.org/10.1109/ICEAA.2017.8065357

The use of near-field phase transformation to design a low-profile azimuthal beam scanning antenna system. / Afzal, Muhammad U.; Esselle, Karu P.
Proceedings of the 19th International Conference on Electromagnetics in Advanced Applications, ICEAA 2017. Piscataway: Institute of Electrical and Electronics Engineers (IEEE), 2017. p. 750-753 8065357.

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

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N2 - An azimuthal beam-scanning antenna system has been developed using near-field phasetransformation technique. The antenna system is comprised of a resonant-cavity antenna (RCA) and two metasurfaces, one for beam-focusing and the other one for beam-steering. Both metasurfaces are placed at a fractional-wavelength spacing from the RCA. Together, the two metasurfaces focus a broadside beam of the RCA to an offset angle away from the broadside direction. Then, by keeping the RCA fix and simply rotating the beam-steering metasurface a complete 360° azimuthal scanning is demonstrated. The total height of the antenna system is only 1.3λ0 and it maintains a planar and consistent profile while scanning.

AB - An azimuthal beam-scanning antenna system has been developed using near-field phasetransformation technique. The antenna system is comprised of a resonant-cavity antenna (RCA) and two metasurfaces, one for beam-focusing and the other one for beam-steering. Both metasurfaces are placed at a fractional-wavelength spacing from the RCA. Together, the two metasurfaces focus a broadside beam of the RCA to an offset angle away from the broadside direction. Then, by keeping the RCA fix and simply rotating the beam-steering metasurface a complete 360° azimuthal scanning is demonstrated. The total height of the antenna system is only 1.3λ0 and it maintains a planar and consistent profile while scanning.

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The use of near-field phase transformation to design a low-profile azimuthal beam scanning antenna system

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