Transformation Optics-based Antenna for Focusing OAM Beams

Jia Tong Jing; Wei Song; Xin Qing Sheng

doi:10.13052/2024.ACES.J.390905

Transformation Optics-based Antenna for Focusing OAM Beams

Jia Tong Jing, Wei Song, Xin Qing Sheng

School of Integrated Circuits and Electronics

Beijing Institute of Technology

Research output: Contribution to journal › Article › peer-review

Abstract

In this article, a metamaterial horn antenna based on transformation optics (TO) is presented to generate a focused orbital angular momentum (OAM) beam. By applying the coordinate transformation, a metamaterial insertion inside the horn is designed to concentrate the radiated OAM beam. The TO-based insertion is further realized by using split ring resonators (SRRs). The metamaterial antenna is fabricated and measured to verify the design. A 13o reduction in the main lobe angle is realized in measurement by SRRs.

Original language	English
Pages (from-to)	794-800
Number of pages	7
Journal	Applied Computational Electromagnetics Society Journal
Volume	39
Issue number	9
DOIs	https://doi.org/10.13052/2024.ACES.J.390905
Publication status	Published - Sept 2024

Keywords

Main lobe angle
metamaterial
orbital angular momentum
split ring resonator
transformation optics

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10.13052/2024.ACES.J.390905

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abstract = "In this article, a metamaterial horn antenna based on transformation optics (TO) is presented to generate a focused orbital angular momentum (OAM) beam. By applying the coordinate transformation, a metamaterial insertion inside the horn is designed to concentrate the radiated OAM beam. The TO-based insertion is further realized by using split ring resonators (SRRs). The metamaterial antenna is fabricated and measured to verify the design. A 13o reduction in the main lobe angle is realized in measurement by SRRs.",

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AB - In this article, a metamaterial horn antenna based on transformation optics (TO) is presented to generate a focused orbital angular momentum (OAM) beam. By applying the coordinate transformation, a metamaterial insertion inside the horn is designed to concentrate the radiated OAM beam. The TO-based insertion is further realized by using split ring resonators (SRRs). The metamaterial antenna is fabricated and measured to verify the design. A 13o reduction in the main lobe angle is realized in measurement by SRRs.

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Transformation Optics-based Antenna for Focusing OAM Beams

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