Title: Single-mode Dual-band Metantenna Using Lorentz-Type Dispersive Metamaterials
地点：信息大楼1334会议室
时间：2024年12月17日 星期二 10：00-11：00
Intro: Materials form the foundation of antenna design, and their characteristics can provide new opportunities for innovation. This talk illustrates the creation of an antenna operating in a single mode at dual frequencies by leveraging Lorentz-type dispersive metamaterials. The methodology is inspired by the observation that materials described by the Lorentz model exhibit a higher refractive index at lower frequencies and a lower refractive index at higher frequencies relative to their resonance frequency. This property enables an antenna loaded with Lorentz-type dispersive material substrates to operate with the same electrical size at both lower and higher frequencies. This phenomenon opens the possibility for an antenna to generate single-mode radiation across both lower and higher frequency bands. To achieve the dispersive permeability of Lorentz-type metamaterials, single-layer dual-split resonance rings (SRRs) are proposed. Subsequently, a single-mode dual-band patch antenna is designed to validate the proposed method within the Sub-6 GHz bands.
主讲人：陈志宁 双博士 Zhi Ning Chen
新加坡国立大学电子与计算机工程系Provost’s Chair Professor
新加坡国立大学工学院先进研究与技术创新中心创始人和总裁
新加坡工程院院士（Fellow of Academy of Engineering, Singapore 2019）
国际电子电气工程师学会会士（Fellow of IEEE 2007）
亚太人工智能学会会士和副主席 （Fellow and Vice President of Asia-Pacific Artificial Intelligent Association 2021）
国际电子电气工程师学会天线与传播学会John Kraus天线奖获得者（2021）
已发表了六百六十余篇英文论文（其中一百六十余篇发表在IEEE Transactions）及四十余篇中文论文。他主撰写、主编和出版了六本英文专著。四十项专利的发明人，并成功地实现超过四十多项次技术转让。
目前的研究兴趣包括微波、毫米波、亚毫米波及太赫兹通信、雷达及成像系统中的天线与传播，以及机器学习和优化工具在天线研究与设计中的应用。
