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CLC number: TN82

On-line Access: 2020-03-18

Received: 2019-09-11

Revision Accepted: 2019-12-25

Crosschecked: 2020-02-24

Cited: 0

Clicked: 302

Citations:  Bibtex RefMan EndNote GB/T7714

 ORCID:

Peng-fei Zhang

https://orcid.org/0000-0002-6855-5315

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Frontiers of Information Technology & Electronic Engineering  2020 Vol.21 No.3 P.351-365

10.1631/FITEE.1900489


A look at field manipulation and antenna design using 3D transformation electromagnetics and 2D surface electromagnetics


Author(s):  Peng-fei Zhang, Yu-kai Yan, Ying Liu, Raj Mittra

Affiliation(s):  School of Electrical Engineering, Xidian University, Xi’an 710071, China; more

Corresponding email(s):   zhangpf@mail.xidian.edu.cn, yyk@stu.xidian.edu.cn, liuying@mail.xidian.edu.cn, rajmittra@ieee.org

Key Words:  Field manipulation, Transformation optics, Antenna design, Surface electromagnetics


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Peng-fei Zhang, Yu-kai Yan, Ying Liu, Raj Mittra. A look at field manipulation and antenna design using 3D transformation electromagnetics and 2D surface electromagnetics[J]. Frontiers of Information Technology & Electronic Engineering, 2020, 21(3): 351-365.

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doi="10.1631/FITEE.1900489"
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Abstract: 
While many techniques have been developed for the design of different types of antennas, such as wire antenna, patch antenna, lenses, and reflectors, these cannot be said general-purpose strategies for the synthesis and design of antennas to achieve the performance characteristics specified by users. Recently, there has been an increasing need for the development of antenna design techniques because of the advent of 5G and a variety of space, defense, biological, and similar applications, for which a robust and general-purpose design tool is not to be developed. The main objective of this study is to take a look at antenna design from the field manipulation point of view, which has the potential to partially fulfill this need. We review the existing field manipulation techniques, including field transformation methods based on Maxwell’s and wave equations, point out some limitations of these techniques, and then present ways to improve the performance of these methods. Next, we introduce an alternative approach for field manipulation based on two-dimensional (2D) metasurfaces, and present laws of the generalized reflection and refraction that are based on 2D surface electromagnetics. Then, we explore how to overcome the limitations of conventional reflection and refraction processes that are strictly bounded by the critical angle. Finally, we provide some application examples of field manipulation methods in the antenna design, with a view on developing a general-purpose strategy for antenna design for future communication.

基于3D变换电磁学和2D表面电磁学的电磁场操控和天线设计

张鹏飞1,闫玉凯1,刘英1,Raj MITTRA2,3
1西安电子科技大学电子工程学院,中国西安市,710071
2中佛罗里达大学电气工程与计算机科学系,美国佛罗里达奥兰多,32816
3阿卜杜勒阿齐兹国王大学电气与计算机工程系,沙特阿拉伯吉达,22254

摘要:尽管人们已经开发了针对不同类型天线的多种设计技术,如线天线、贴片天线、透镜天线以及反射面等,但尚未构建普适的框架技术—普适框架技术应可用于各种天线的综合与设计,使天线具有满足使用者特定需求的电气特性。近年来,5G通信及各种空天技术、国防应用、生物医疗和类似应用的快速发展,迫切需要天线设计技术的大幅提升。本文从场操控角度剖视天线设计技术,为这种框架性构建提供一个可能的思考,以期最终部分满足这种需求。首先,回顾现有操控技术,包括基于麦克斯韦方程和波动方程在内的场变换方法,指出这些技术的局限性,并提出改善性能的方法。其次,介绍一种基于2D超表面的场操控方法及其理论基础--广义反射和折射定律。进一步,探索如何利用2D超表面克服传统的由临界角严格限制的反射和折射局限性。最后,给出场操控方法在天线设计中的应用实例,以期引导人们发展面向未来通信天线设计的通用策略和方法。

关键词:场操控;变换光学;天线设计;表面电磁学

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