3D printable lightweight porous superstrate for improved radiation performance of antenna

Touseef Hayat; Muhammad U. Afzal; Foez Ahmed; Ali Lalbakhsh; Karu P. Esselle

doi:10.1109/AMS48904.2020.9059333

3D printable lightweight porous superstrate for improved radiation performance of antenna

Touseef Hayat, Muhammad U. Afzal, Foez Ahmed, Ali Lalbakhsh, Karu P. Esselle

School of Engineering

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

Abstract

The paper presents a 3D printable porous superstrate (PS) to enhance directive radiation performance of low to medium gain antennas. The PS design process is based on the theory of near-field phase correction. Transmission phase through PS is locally varied by changing sizes of perforations in different sections of the PS. The PS is designed for a resonant cavity antenna (RCA) using acrylonitrile butadiene styrene (ABS) filament. With PS the RCA aperture phase is relatively planar and its directivity in boresight direction is increased by 7.2 dB (14.8 dB to 22 dB) along with 8.2 dB reduction in side-lobe levels (SLL) and 31% increase in aperture efficiency.

Original language	English
Title of host publication	2020 4th Australian Microwave Symposium (AMS)
Place of Publication	Piscataway, NJ
Publisher	Institute of Electrical and Electronics Engineers (IEEE)
Number of pages	2
ISBN (Electronic)	9781728110493
ISBN (Print)	9781728110509
DOIs	https://doi.org/10.1109/AMS48904.2020.9059333
Publication status	Published - 1 Feb 2020
Event	4th Australian Microwave Symposium, AMS 2020 - Sydney, Australia Duration: 13 Feb 2020 → 14 Feb 2020

Conference

Conference	4th Australian Microwave Symposium, AMS 2020
Country	Australia
City	Sydney
Period	13/02/20 → 14/02/20

Keywords

Additive manufacturing
Directivity enhancement
Perforated dielectric
Phase correction
Rapid prototyping

Access to Document

10.1109/AMS48904.2020.9059333

Link to publication in Scopus

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Cite this

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title = "3D printable lightweight porous superstrate for improved radiation performance of antenna",

abstract = "The paper presents a 3D printable porous superstrate (PS) to enhance directive radiation performance of low to medium gain antennas. The PS design process is based on the theory of near-field phase correction. Transmission phase through PS is locally varied by changing sizes of perforations in different sections of the PS. The PS is designed for a resonant cavity antenna (RCA) using acrylonitrile butadiene styrene (ABS) filament. With PS the RCA aperture phase is relatively planar and its directivity in boresight direction is increased by 7.2 dB (14.8 dB to 22 dB) along with 8.2 dB reduction in side-lobe levels (SLL) and 31{\%} increase in aperture efficiency.",

keywords = "Additive manufacturing, Directivity enhancement, Perforated dielectric, Phase correction, Rapid prototyping",

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Hayat, T, Afzal, MU, Ahmed, F, Lalbakhsh, A & Esselle, KP 2020, 3D printable lightweight porous superstrate for improved radiation performance of antenna. in 2020 4th Australian Microwave Symposium (AMS). Institute of Electrical and Electronics Engineers (IEEE), Piscataway, NJ, 4th Australian Microwave Symposium, AMS 2020, Sydney, Australia, 13/02/20. https://doi.org/10.1109/AMS48904.2020.9059333

3D printable lightweight porous superstrate for improved radiation performance of antenna. / Hayat, Touseef; Afzal, Muhammad U.; Ahmed, Foez; Lalbakhsh, Ali ; Esselle, Karu P.

2020 4th Australian Microwave Symposium (AMS). Piscataway, NJ : Institute of Electrical and Electronics Engineers (IEEE), 2020.

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

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