Transformation Optics-based Antenna for Focusing OAM Beams

Authors

  • Jia-Tong Jing Institute of Radio Frequency Technology and Software Beijing Institute of Technology, Beijing 100081, China
  • Wei Song Institute of Radio Frequency Technology and Software Beijing Institute of Technology, Beijing 100081, China
  • Xin-Qing Sheng Institute of Radio Frequency Technology and Software Beijing Institute of Technology, Beijing 100081, China

DOI:

https://doi.org/10.13052/2024.ACES.J.390905

Keywords:

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

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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Author Biographies

Jia-Tong Jing, Institute of Radio Frequency Technology and Software Beijing Institute of Technology, Beijing 100081, China

Jia-Tong Jing received the B.E., M.S. degrees from Beijing Institute of Technology, Beijing, China, in 2018 and 2021. He is currently pursuing the Ph.D. degree in Institute of Radio Frequency Technology and Software from Beijing Institute of Technology. His current research interests include metamaterial and computational electromagnetics.

Wei Song, Institute of Radio Frequency Technology and Software Beijing Institute of Technology, Beijing 100081, China

Wei Song received the B.S. degree from Northeastern University, Shenyang, China, in 2002, and the M.S. and Ph.D. degrees from Queen Mary University of London, UK, in 2003 and 2008, respectively. She is currently an Associate Professor with the School of Information and Electronics, Beijing Institute of Technology, Beijing, China. She has authored or co-authored over 20 papers in refereed journals and international conferences, and has co-authored a monograph in computational electromagnetics. Her current research interests include high-performance methods in computational electromagnetics, EM property analysis, and metamaterial-based antenna design.

Xin-Qing Sheng, Institute of Radio Frequency Technology and Software Beijing Institute of Technology, Beijing 100081, China

Xin-Qing Shengreceived the B.S., M.S., and Ph.D. degrees from the University of Science and Technology of China (USTC), Hefei, China, in 1991, 1994, and 1996, respectively. Sheng is a Chang-Jiang Professor of the School of Information and Electronic at the Beijing Institute of Technology. Sheng has authored and co-authored over 150 papers in refereed journals, and three books: Essentials of Computational Electromagnetics(Singapore: IEEE Press-Wiley, 2012), A Brief Treatise on Computational Electromagnetics(Beijing: Science Press, 2004), and A Treatise on Electromagnetic Wave(Beijing: Science Press, 2007). Sheng has authored SINOCOM, a simulation software for scattering by complex targets. His research interests include computational electromagnetics, scattering and antenna analysis, electromagnetic compatibility, and microwave imaging.

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Published

2024-09-30

How to Cite

[1]
J.-T. . Jing, W. . Song, and X.-Q. . Sheng, “Transformation Optics-based Antenna for Focusing OAM Beams”, ACES Journal, vol. 39, no. 09, pp. 794–800, Sep. 2024.

Issue

2024: Vol 39 Iss 9

Section

General Submission

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