A Tunable Broadband Absorber Based on Active Frequency Selective Surface

作者

  • Bingmei Zhang School of Information and Control Engineering China University of Mining and Technology, Xuzhou 221116, China
  • Xianglin Kong School of Information and Control Engineering China University of Mining and Technology, Xuzhou 221116, China
  • Ruofeng Xu School of Information and Control Engineering China University of Mining and Technology, Xuzhou 221116, China
  • Lei Zhao School of Information and Control Engineering China University of Mining and Technology, Xuzhou 221116, China
  • Hang Song Test Physics & Numerical Mathematical, National Key Laboratory of Science and Technology, Beijing, China
  • Shengjun Zhang Test Physics & Numerical Mathematical, National Key Laboratory of Science and Technology, Beijing, China
  • Jiaqi Liu Test Physics & Numerical Mathematical, National Key Laboratory of Science and Technology, Beijing, China

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https://doi.org/10.13052/2024.ACES.J.390709

关键词:

Frequency selective surface, microwave absorber, pin diode, tunable absorber

摘要

In this paper, a tunable metamaterial absorber (MMA) based on active frequency selective surface (FSS) is proposed, which can dynamically tune three absorption bands. The equivalent circuit model (ECM) was used to design the MMA and elucidate its mechanism of switchable absorption. By changing the state of the PIN diode in the lossy layer and FSS layer, the absorption frequency can be tuned continuously. The tuning of the three absorption bands from S- to C-band is achieved. The numerical simulation results show that the described MMA can achieve a bandwidth of 6.2 GHz and can dynamically tune between 1.86-2.70 GHz, 2.42-5.29 GHz, and 4.16-8.10 GHz. The reflectivity is lower than -10 dB, and the fractional bandwidth reaches 125.3%. In addition, the MMA’s prototype was produced and measured. The measurement results are generally consistent with the simulation results.

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##submission.authorBiographies##

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Xianglin Kong (Member, IEEE) is currently pursuing the Ph.D. degree with the China University of Mining and Technology, Xuzhou, China. His research interests include the design of RF/microwaves antennas and metasurface.

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Ruofeng Xu received the B.S. (2004) degree from Suzhou University in electronics and science and technology, and the M.S. (2006) and Ph.D. (2010) degrees in electronic engineering from the University of Kent, UK. He joined the China University of Mining and Technology, Xuzhou, China, in 2011. His main interests include microwave technology and applications.

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Lei Zhao (Senior Member, IEEE, Fellow, ACES), received the B.S. degree in mathematics from Jiangsu Normal University, China, in 1997, and the M.S. degree in computational mathematics and the Ph.D. degree in electromagnetic fields and microwave technology from Southeast University, Nanjing, China, in 2004 and 2007, respectively.

He joined the China University of Mining and Technology, Xuzhou, China, in 2019, where he is currently a full Professor. From August 2007 to August 2009, he worked with the department of electronic engineering, The Chinese University of Hong Kong, as a research associate. From February 2011 to April 2011, he worked with the department of electrical and computer engineering, National University of Singapore, as a research fellow. From September 2016 to September 2017, he worked with the department of electrical and computer engineering, University of Illinois at Urbana-Champaign, Champaign, IL, USA, as a visiting scholar. He has authored or coauthored more than 120 refereed journal and conference papers. His current research interests include spoof surface plasmon polaritons theory and its applications, RF/microwave antenna and filter design, computational electromagnetics, and electromagnetic radiation to human’s body.

Dr. Zhao serves as an Associate Editor for IEEE Access, an Associate Editor-in-Chief for Applied Computational Electromagnetics Society (ACES) Journal and a reviewer for multiple journals and conferences including the IEEE Trans. on Microwave Theory and Techniques, IEEE Trans. Antennas and Propagation, IEEE Antennas and Wireless Propagation Letters, ACES Journal, and other primary electromagnetics and microwave related journals.

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Hang Song is a doctoral candidate at the National Key Laboratory of Experimental Physics and Computational Mathematics. He obtained his master’s degree from Beihang University. His research interests focus on target feature control technology, and he possesses specialized knowledge in the design of low-scattering characteristic metamaterials.

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Shengjun Zhang received the B.Sc. degree from China University of Geosciences (Wuhan), Wuhan, China, in 1995, M.Sc. degree from China University of Geosciences (Beijing), Beijing, China, in 1998, and Ph.D. degree in Optics from Beijing University of Technology, Beijing, China, in 2001. After that, he joined National Key Laboratory of Science & Technology on Test Physics & Numerical Mathematics. He is currently the full professor of China Academy of Launch Vehicles Technology, and adjunct professor of Xi’Dian University. He is a member of space security committee of International Astronautics Federation (IAF). His research interests include electromagnetic signature simulation and control approaches, effects of cold plasma on electromagnetic waves, FSS, tuning of scattering by active array, and space security.

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Jiaqi Liu was born in Yueyang, China, in 1963. He received the Ph.D. degree in circuit and systems from Beihang University, Beijing, China, in 2007. He currently serves as the Vice Director and leading Research Fellow with the National Key Laboratory of Science and Technology on Test Physics and Numerical Mathematics. His research area is signal processing and target recognition.

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已出版

2024-07-31

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[1]
B. . Zhang, 《A Tunable Broadband Absorber Based on Active Frequency Selective Surface》, ACES Journal, 卷 39, 期 07, 页 651–657, 7月 2024.

期

2024: Vol 39 Iss 7

栏目

General Submission

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