https://orcid.org/0000-0001-5198-1556
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Abstract
In this paper, a frequency-selective absorber with large-angular stability under oblique incidence is present. The absorptivity of the structure can be reached to maximum by impedance matching and parameter optimization method under a specific angle (40°), which ensures an excellent absorption response within 60° oblique incidence. This method solves the problem that the absorptivity of traditional absorbers deteriorates with the increase of incident angle. The absorber consists of a three-layer structure: two lossy layers and a metal ground layer, the equivalent circuit model is discussed and the operating frequency band is widened by generating electric resonances and magnetic resonances. Due to the high symmetry of the structure, the absorber has good polarization insensitivity. Numerical simulation shows that from 4.4 to 20 GHz, the absorptivity of the structure is above 90% within 40° oblique angle of incidence. Finally, the design plays an important role in military stealth and preventing electromagnetic interference.
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Notes on contributors
Zhefei Wang
Zhefei Wang (Member, IEEE) was born in Harbin, China, on October 31, 1989. He received his Ph.D. degree in information and communication engineering from the Harbin Institute of Technology, Harbin, China, in 2020. From 2018 to 2020, he was a visiting Ph.D. student at the Energy Materials Telecommunications Research Centre, Institut National de la Recherche Scientifique, Montreal, QC, Canada. From 2022 to 2024, he was a postdoctoral fellow with the Laboratory of Applied Research on Electromagnetics, Zhejiang University, Hangzhou, China. Since 2020, he has been a lecturer with the School of Electronic and Information Engineering, Nanjing University of Information Science and Technology, Nanjing, China. His research is focused on the analysis and modelling of the radar cross-section reduction system using frequency-selective surface, electromagnetically induced transparency, absorptive material, rasorber, adaptive arrays, metamaterial antennas, and metamaterial structures.
Ziru Hou
Ziru Hou was born in Shanxi, China, in 2001. She is currently studying electronic Information engineering at the School of Electronic and Information Engineering, Nanjing University of Information Science and Technology, Nanjing, China. Her current research interests include frequency-selective surfaces and absorbers.
Junxiang Ge
Junxiang Ge, is a doctor of engineering, second-level professor, and doctoral supervisor. At present, he is the president of the Institute of Electronic Information Technology and Equipment, the director of the Institute of Radar Technology, the head of the first-class innovation platform in Jiangsu Province, the advisory member of the Communication Committee of the Chinese Institute of Electronics, the member of the Communication and Navigation Committee of the China Institute of Navigation, and the member of the Expert Advisory Committee of the China (Wuxi) Internet of Things Research Institute. At the same time, he also serves as a member of the technical (talent) expert (review and consultation) committee of many ministries and commissions, provincial and municipal technical (talent) expert (review and consultation), graduate thesis review expert of the Degree Center of the Ministry of Education, national natural science foundation projects and science and technology projects of the Ministry of Science and Technology, and editorial board members and reviewers of many academic journals at home and abroad.
Fayu Wan
Fayu Wan, is a Professor and Doctoral Supervisor, graduated from the University of Rouen in France in 2011, engaged in the research of electromagnetic compatibility simulation models and test methods of integrated circuits, and worked as a postdoctoral fellow in the electromagnetic compatibility laboratory of the University of Missouri at Rolla in the United States from 2011 to 2013, with research interests in the environmental effects, electromagnetic hazard effects and negative group delay circuits of electrostatic discharge. At present, he has published in more than 70 SCI journals such as IEEE TIE, TIM, TEMC, TCAS, TCAD, etc., and authorized more than 20 invention patents. He participated in the formulation of 5 national standards in the fields of electromagnetic compatibility and electrostatic discharge. He has presided over 10 scientific research projects at or above the provincial and ministerial level, such as the key special project of the National Key R&D Program “Intergovernmental International Science and Technology Innovation Cooperation”, 2 general projects of the National Natural Science Foundation of China, youth and international cooperation, Jiangsu Provincial Science and Technology Foundation, Jiangsu Science and Technology Support Project, and Beijing Provincial Science and Technology Foundation Millet Key Fund Project; 333 high-level talents in Jiangsu Province, high-level talents in Jiangsu Province's “Six Talent Peaks”, and core talents of Jiangsu Province's entrepreneurship and entrepreneurship team.
Qingsheng Zeng
Qingsheng Zeng (Senior Member, IEEE) received a Ph.D. degree in electrical engineering from the University of Ottawa, Ottawa, ON, Canada, in 2010. He is currently a distinguished professor and the Ph.D. advisor of the Nanjing University of Aeronautics and Astronautics, Nanjing, China, an adjunct professor and the Ph.D. advisor of the University of Ottawa, Carleton University, Université du Québec an Outaouais, and Institut National de la Recherche Scientifique - Centre Energie, Matériaux et Télécommunications, a Guest Professor with Harbin Engineering University, Northwestern Polytechnic University, Beijing University of Post and Telecommunications, and Beijing Jiaotong University. He has been a Research Engineer and a Senior Research Engineer with Communications Research Centre Canada, Government of Canada, Ottawa, ON, Canada. He has undertaken research and teaching in several fields, including antenna analysis and design, electromagnetic compatibility and interference, ultra-wideband technology, radiowave propagation, and computational electromagnetics. He is the Chair of the Antennas and Propagation/Microwave Theory and Techniques Joint Chapter, the Secretary of the Electromagnetic Compatibility Chapter of IEEE Ottawa, and a member of IEEE Canada Industry Relations Committee. He has been a member of the Strategic Projects Grant Selection Panel (Information and Communications Technologies B) for the Natural Sciences and Engineering Research Council of Canada (NSERC), a member of the Site Visit Committee of NSERC Industrial Research Chair, and a reviewer of NSERC Industrial R&D Fellowships. He has authored or co-authored more than 100 SCI and EI-indexed papers and technical reports, authored one book and coauthored two book chapters, one of which has been downloaded more than 3000 times only in one year after it was published in 2011. Dr. Zeng has been serving as an editorial board member and a reviewer for a number of technical books and scientific journals, as a conference Co-chair, a Session Organizer, and Chair, a technical program committee member and reviewer, a short course/workshop/tutorial presenter and a keynote speaker for many international and national symposia. He was a recipient of several technical and technical service awards, was ranked as one of the researchers at Communications Research Centre Canada with the strongest impacts in 2011, and selected as a distinguished expert under the Plan of Hundreds of Talents of Shanxi Province in China in 2015 and an overseas prestigious advisor of Guangdong Province in 2017.
Mingxin Song
Mingxin Song was born in Yichun, China, in 1974. He received a diploma degree in electrical engineering from Jilin University, Changchun, China, in 1998, an M.S. degree in physics and chemistry of material in material science and a Ph.D. degree in material science from the Harbin University of Science and Technology, Harbin, China, in 2005 and 2012, respectively. From 1998 to 2019, he was with the School of Science, Harbin University of Science and Technology. He is currently an associate professor with the College of Applied Science and Technology, Hainan University, Haikou, China. From 2008 to 2009, he was a visiting scholar in the physical design methods of NXP semiconductors in The Netherlands. From January 2014 to July 2014, he was a visiting scholar with the University of California, San Diego. His current research is focused on new materials and the design of RF MEMS devices.
Jianqiang Hou
Jianqiang Hou (Member, IEEE) received the B.Eng., M.Eng., and Ph.D. degrees in electrical engineering from Xidian University, Xi'an, China, in 1999, 2004, and 2010, respectively. Since 2006, he has been a lecturer and an associate professor with the School of Electronic Engineering and the State Key Laboratory of Antennas and Microwaves, Xidian University. From June 2019 to August 2020, he worked as a visiting scholar with the Canada National Institute of Scientific Research (INRS), Quebec City, QC, Canada. He has been the deputy director of the Key Laboratory of Millimeter Wave and Terahertz Technology, Xi'an since 2020. His recent research interests are mainly in the design of microwave components and millimeter wave circuit systems.
Larbi Talbi
Larbi Talbi (S'95–M'97–SM'05) received the M.S. and Ph.D. degrees in electrical engineering from Laval University, Quebec City, QC, Canada, in 1989 and 1994, respectively. He is currently a full professor at the department of computer science and engineering (DCSE), University of Quebec in Outaouais (UQO), Gatineau, QC, Canada. He completed a postdoctoral fellowship within the Personal Communications Research Group, INRS-Telecommunications, Montreal, QC, Canada (1994–1995), where he led projects supported by Bell-Canada. From 1995 to 1998, he was an assistant professor at the electronics engineering department, Riyadh College of Technology, Saudi Arabia. During 1998–1999, he was an invited professor at the electrical and computer engineering department, University Laval, Quebec, Canada. In 1999, he joined the DCSE, University of Quebec in Outaouais, as a professor and from 2007 to 2013 he was a Ph.D. Program Chair in sciences and information technologies and chair of the department from 2013 to 2015. In 2005, he spent his sabbatical leave, as an invited researcher, at the Communication Research Center (CRC), Ottawa, Ontario, within the Propagation Research (RVEP) group of the Satellite Communications and Radio Propagation Branch (VPSAT). In 2006, he was a visiting professor at the electrical and electronics engineering department, Dumlupinar University, Turkey. Besides CRC he has also a very strong collaboration with the Telebec Wireless Underground Communication Laboratory, Val-d'Or, Quebec. His research activities include experimental characterization and modeling of UHF/EHF indoor radio propagation channels and the design of antennas and microwave circuits for wireless communication systems. Currently, he is actively involved in major projects related to the deployment of wireless technologies in underground mines, mainly, experimental characterization of the underground mine channels using MIMO antennas at 60 GHz, design of microwave and RF components using SIW technique, transparent antennas, metamaterials applied to microwave design, antenna array for wireless applications. In 2013, he was awarded the Best Paper Prize at the IET - ICWCA conference held in Malaysia. He has authored and co-authored over 200 journal and conference technical papers. Prof. Talbi is a member of the Order of Engineers of the Province of Quebec. He frequently serves as a technical program committee member at international and national conferences. He is an associate editor of the International Journal of Antennas and Propagation, Hindawi Publishing Corporation and he regularly acts as a reviewer for many international scientific journals and conferences and also for research funding organizations.
Tayeb A. Denidni
Tayeb A. Denidni (SM'09) received the M.Sc. and Ph.D. degrees in electrical engineering from Laval University, Quebec City, QC, Canada, in 1990 and 1994, respectively. From 1994 to 2000, he was a professor with the Engineering Department, Université du Quebec in Rimouski, Rimouski, QC, Canada, where he founded the Telecommunications Laboratory. Since 2000, he has been with the Institut National de la Recherche Scientifique (INRS), Université du Quebec, Montreal, QC, Canada. He founded the RF Laboratory at INRS-EMT, Montreal. He has great experience with antenna design and he is leading a large research group consisting of three research scientists, six Ph.D. students, and one M.Sc. student. He served as a principal investigator on many research projects sponsored by NSERC, FCI, and numerous industries. His current research areas of interest include reconfigurable antennas using EBG and FSS structures, dielectric resonator antennas, metamaterial antennas, adaptive arrays, switched multi-beam antenna arrays, ultra-wideband antennas, and microwave and development for wireless communications systems. In 2012 and 2013, he received from INRS for outstanding research and teaching achievements. From 2005 to 2007, he served as an associate editor for the IEEE ANTENNAS WIRELESS PROPAGATION LETTERS. From 2008 to 2010, he served as an associate editor for the IEEE TRANSACTIONS ON ANTENNAS PROPAGATION. Since 2015, he has served as an associate editor for IET Electronics Letters.