Compact Dual-Passband Three-Dimensional FSS with Good Angular Stability and Both-Side Fast Roll-Off Characteristics

作者

  • Zhengyong Yu School of Computer and Communication Jiangsu Vocational College of Electronics and Information, Huai’an, 223003, China
  • Baozhu Li Beijing National Research Center for Information Science and Technology (BNRist) Tsinghua University
  • Shenggao Ding School of Computer and Communication Jiangsu Vocational College of Electronics and Information, Huai’an, 223003, China
  • Wanchun Tang School of Electrical and Automation Engineering Nanjing Normal University, Nanjing, 210023, China

关键词:

Both-side fast roll-off, dual-passband, dual polarizations, Frequency Selective Surface (FSS), three-dimensional (3D)

摘要

A compact dual-passband three-dimensional (3D) frequency selective surface (FSS) is proposed based on multiple square coaxial waveguides (SCWs), which exhibits good angular stability and both-side fast roll-off characteristics. The unit cell of the proposed 3D FSS is composed of one parallel plate waveguide (PPW) propagation path and two SCW propagation paths. By etching a centered annular slot, each SCW path forms two identical short SCWs. Each short SCW inherently generates one square slot resonance. In each SCW path, on the account of electromagnetic coupling between two square slot resonators provided by two short SCWs, the square slot resonant mode will split into even-/oddresonant modes. Accordingly, each SCW path can provide a flat second-order passband with two transmission poles. Due to the reflection and out of phase of electromagnetic waves, four transmission zeros located at both sides of the passbands are introduced for high frequency selectivity, realizing both-side fast roll-off performances. In order to explain the operating principle, the electricfield distributions at transmission-zero/pole frequencies are investigated. Finally, an FSS prototype is fabricated and measured, and the results exhibit good angular stability for both TE and TM polarizations under incident angles from 0° to 60°. In addition, the proposed 3D FSS has a compact unit cell.

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Zhengyong Yu was born in Huaian, China, in 1982. He received the B.S. degree from the Huaiyin Institute of Technology, Huaian, China, in 2006, the M.S. degree from the Nanjing University of Science and Technology, Nanjing, China, in 2008, and the Ph.D. degree from Nanjing Normal University, in 2020. He is currently an Associate Professor and Senior Engineer in Jiangsu Vocational College of Electronics and Information. He is Jiangsu Province 333 project personnel training object, and Jiangsu Province Qing Lan Project Academic Leader. His current research interests include fundamental electromagnetic theory, frequency selective surfaces and near-field antennas.

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Baozhu Li was born in Henan Province, China, in 1990. She received the B.S. degree in Electrical Engineering from Nanjing Normal University Zhongbei College, Nanjing, in 2013, and the Ph.D. degree in Physical Electronics from School of Physics and Technology, Nanjing Normal University, in 2020. She was a Visiting Ph.D. Student funded by Scholarship Council in ELEDIA Research Center at University of Trento, Italy, from Sep. 2018 to Jan. 2020. She is currently a Postdoctoral Researcher in Beijing National Research Center for Information Science and Technolog at Tsinghua University and an Associate Faculty Member of the ELEDIA Research Center. Her research interests include electromagnetic environment and inverse propagation problems.

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Shenggao Ding was born in Huaian, China, in 1980. He received the B.S. degree from the North China Electric Power University, Baoding, China, in 2002, the M.S. degree from the Nanjing University of Posts and Telecommunications, Nanjing, China, in 2006. He was a Visiting Scholar with the University of South Carolina, Columbia, USA, from 2019 to 2020. He is currently a Lecturer in Jiangsu Vocational College of Electronics and Information. His current research interests include RF and Microwave Components/Circuits for Wireless Communications, 5G Mobile Antennas and Internet of Things.

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Wanchun Tang was born in China in 1967. He received the B.S. degree from Tsinghua University, Beijing, China, in 1990, the M.S. degree from the Nanjing University of Science and Technology, Nanjing, China, in 1995, and the Ph.D. degree from the City University of Hong Kong, Hong Kong, in 2003, all in Electrical Engineering. He was a Full Professor with the Department of Communication Engineering, NJUST, and is currently a Specially Invited Full Professor with the Jiangsu Key Laboratory on Optoelectronic Technology, School of Physics and Technology, Nanjing Normal University, Nanjing. He has authored or coauthored over 100 journal and conference papers. His current research interests include modeling and optimization of RFIC, antennas, signal integrity, and power integrity design in package.

参考

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已出版

2021-11-04

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[1]
Z. . Yu, B. . Li, S. . Ding, 和 W. . Tang, 《Compact Dual-Passband Three-Dimensional FSS with Good Angular Stability and Both-Side Fast Roll-Off Characteristics》, ACES Journal, 卷 36, 期 06, 页 664–669, 11月 2021.

期

2021: Vol 36 Iss 6

栏目

General Submission