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Song Z, Zhu JF, Wang X, Zhang R, Min P, Cao W, He Y, Han J, Wang T, Zhu J, Wu L, Qiu CW. Origami metamaterials for ultra-wideband and large-depth reflection modulation. Nat Commun 2024; 15:3181. [PMID: 38609351 PMCID: PMC11015009 DOI: 10.1038/s41467-024-46907-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2023] [Accepted: 03/04/2024] [Indexed: 04/14/2024] Open
Abstract
The dynamic control of electromagnetic waves is a persistent pursuit in modern industrial development. The state-of-the-art dynamic devices suffer from limitations such as narrow bandwidth, limited modulation range, and expensive features. To address these issues, we fuse origami techniques with metamaterial design to achieve ultra-wideband and large-depth reflection modulation. Through a folding process, our proposed metamaterial achieves over 10-dB modulation depth over 4.96 - 38.8 GHz, with a fractional bandwidth of 155% and tolerance to incident angles and polarizations. Its ultra-wideband and large-depth reflection modulation performance is verified through experiments and analyzed through multipole decomposition theory. To enhance its practical applicability, transparent conductive films are introduced to the metamaterial, achieving high optical transparency (>87%) from visible to near-infrared light while maintaining cost-effectiveness. Benefiting from lightweight, foldability, and low-cost properties, our design shows promise for extensive satellite communication and optical window mobile communication management.
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Affiliation(s)
- Zicheng Song
- Center for Composite Materials and Structures, Harbin Institute of Technology, Harbin, 150080, China
- Zhengzhou Research Institute, Harbin Institute of Technology, Zhengzhou, 450018, China
| | - Juan-Feng Zhu
- Science, Mathematics and Technology, Singapore University of Technology and Design (SUTD), 487372, Singapore, Singapore
| | - Xianchao Wang
- School of Mathematics, Harbin Institute of Technology, Harbin, 150080, China
| | - Ruicong Zhang
- Center for Composite Materials and Structures, Harbin Institute of Technology, Harbin, 150080, China
- Zhengzhou Research Institute, Harbin Institute of Technology, Zhengzhou, 450018, China
| | - Pingping Min
- Center for Composite Materials and Structures, Harbin Institute of Technology, Harbin, 150080, China
- Zhengzhou Research Institute, Harbin Institute of Technology, Zhengzhou, 450018, China
| | - Wenxin Cao
- Center for Composite Materials and Structures, Harbin Institute of Technology, Harbin, 150080, China
- Zhengzhou Research Institute, Harbin Institute of Technology, Zhengzhou, 450018, China
| | - Yurong He
- School of Energy Science & Engineering, Harbin Institute of Technology, Harbin, 150080, China
| | - Jiecai Han
- Center for Composite Materials and Structures, Harbin Institute of Technology, Harbin, 150080, China
| | - Tianyu Wang
- School of Energy Science & Engineering, Harbin Institute of Technology, Harbin, 150080, China.
| | - Jiaqi Zhu
- Center for Composite Materials and Structures, Harbin Institute of Technology, Harbin, 150080, China.
- Zhengzhou Research Institute, Harbin Institute of Technology, Zhengzhou, 450018, China.
| | - Lin Wu
- Science, Mathematics and Technology, Singapore University of Technology and Design (SUTD), 487372, Singapore, Singapore.
- Institute of High Performance Computing (IHPC), 138632, Singapore, Singapore.
| | - Cheng-Wei Qiu
- Department of Electrical and Computer Engineering, College of Design and Engineering, National University of Singapore, 117583, Singapore, Singapore.
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Xu ZH, Xu S, Qian C, Xu W, Ren H, Su W, Chen QD, Chen H, Sun HB. Chimera metasurface for multiterrain invisibility. Proc Natl Acad Sci U S A 2024; 121:e2309096120. [PMID: 38285934 PMCID: PMC10861904 DOI: 10.1073/pnas.2309096120] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2023] [Accepted: 11/17/2023] [Indexed: 01/31/2024] Open
Abstract
Invisibility, a fascinating ability of hiding objects within environments, has attracted broad interest for a long time. However, current invisibility technologies are still restricted to stationary environments and narrow band. Here, we experimentally demonstrate a Chimera metasurface for multiterrain invisibility by synthesizing the natural camouflage traits of various poikilotherms. The metasurface achieves chameleon-like broadband in situ tunable microwave reflection mimicry of realistic water surface, shoal, beach/desert, grassland, and frozen ground from 8 to 12 GHz freely via the circuit-topology-transited mode evolution, while remaining optically transparent as an invisible glass frog. Additionally, the mechanic-driven Chimera metasurface without active electrothermal effect, owning a bearded dragon-like thermal acclimation, can decrease the maximum thermal imaging difference to 3.1 °C in tested realistic terrains, which cannot be recognized by human eyes. Our work transitions camouflage technologies from the constrained scenario to ever-changing terrains and constitutes a big advance toward the new-generation reconfigurable electromagnetics with circuit-topology dynamics.
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Affiliation(s)
- Zhao-Hua Xu
- State Key Laboratory of Integrated Optoelectronics, College of Electronic Science and Engineering, Jilin University, Changchun130012, China
| | - Su Xu
- State Key Laboratory of Integrated Optoelectronics, College of Electronic Science and Engineering, Jilin University, Changchun130012, China
| | - Chao Qian
- Zhejiang University-University of Ilinois Urbana-Champaign Institute, Interdisciplinary Center for Quantum Information, State Key Laboratory of Extreme Photonics and Instrumentation, Zhejiang University, Hangzhou310027, China
- Zhejiang University-Hangzhou Global Science and Technology Innovation Center, Key Laboratory of Advanced Micro/Nano Electronic Devices and Smart Systems of Zhejiang, Zhejiang University, Hangzhou310027, China
- Jinhua Institute of Zhejiang University, Zhejiang University, Jinhua321099, China
| | - Wenya Xu
- Printable Electronics Research Centre, Suzhou Institute of Nano-Tech and Nano-Bionics, Chinese Academy of Sciences, Suzhou215123, China
| | - Hang Ren
- State Key Laboratory of Integrated Optoelectronics, College of Electronic Science and Engineering, Jilin University, Changchun130012, China
| | - Wenming Su
- Printable Electronics Research Centre, Suzhou Institute of Nano-Tech and Nano-Bionics, Chinese Academy of Sciences, Suzhou215123, China
| | - Qi-Dai Chen
- State Key Laboratory of Integrated Optoelectronics, College of Electronic Science and Engineering, Jilin University, Changchun130012, China
| | - Hongsheng Chen
- Zhejiang University-University of Ilinois Urbana-Champaign Institute, Interdisciplinary Center for Quantum Information, State Key Laboratory of Extreme Photonics and Instrumentation, Zhejiang University, Hangzhou310027, China
- Zhejiang University-Hangzhou Global Science and Technology Innovation Center, Key Laboratory of Advanced Micro/Nano Electronic Devices and Smart Systems of Zhejiang, Zhejiang University, Hangzhou310027, China
- Jinhua Institute of Zhejiang University, Zhejiang University, Jinhua321099, China
| | - Hong-Bo Sun
- State Key Laboratory of Integrated Optoelectronics, College of Electronic Science and Engineering, Jilin University, Changchun130012, China
- State Key Laboratory of Precision Measurement Technology and Instruments, Department of Precision Instrument, Tsinghua University, Haidian, Beijing100084, China
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Su X, Wang J, Han M, Liu Y, Zhang B, Huo S, Wu Q, Liu Y, Xu HX. Broadband electromagnetic wave absorption using pure carbon aerogel by synergistically modulating propagation path and carbonization degree. J Colloid Interface Sci 2023; 652:780-788. [PMID: 37619257 DOI: 10.1016/j.jcis.2023.08.113] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2023] [Revised: 08/15/2023] [Accepted: 08/18/2023] [Indexed: 08/26/2023]
Abstract
Carbon materials were widely used as electromagnetic (EM) wave absorption due to their advantages of light weight, environmental resistance and high electrical conductivity. However, conventional means were typically available by combining carbon and other materials to achieve effective absorption. Herein, a novel strategy using pure carbon aerogel with oriented structure was reported to enhance the EM wave absorption by synergistically modulating the wave propagation path and carbonization degree. The aerogel contained proposed modified carbon nanofibers (MCNF) derived from bacterial cellulose (BC), and core-shell carbon nanofibers @ reduced oxide graphene (CNF@RGO). The oriented structure was induced by the temperature field, which manifests anisotropic EM constitutive parameters (εx ≠ εz) at different directions of incident wave. The carbonization degree was adjusted by varying the carbonization temperature. At the carbonization temperature of 700 °C, the maximum reflection loss and effective absorption bandwidth reached -53.94 dB and 7.14 GHz, respectively, enabling the aerogel to outperform its previous counterparts. To clarify the EM wave mode-of-action in conjunction, physical models of the aerogel were established in addition to finite element simulation and theoretical analysis. Notably, the aerogel with a density of 3.6 mg/cm3 featured ultra-light weight, superhydrophobicity, superior compressibility, and thermal insulation. Our work offers an efficient strategy for designing broadband and multifunctional EM wave absorption materials (EWAMs), promising great potentials in complex stealth equipment.
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Affiliation(s)
- Xiaogang Su
- Key Laboratory of Functional Nanocomposites of Shanxi Province, School of Materials Science and Engineering, North University of China, Taiyuan 030051, China; Air and Missile Defense College, Air Force Engineering University, Xi'an 710051, China.
| | - Jun Wang
- Key Laboratory of Functional Nanocomposites of Shanxi Province, School of Materials Science and Engineering, North University of China, Taiyuan 030051, China
| | - Mengjie Han
- Key Laboratory of Functional Nanocomposites of Shanxi Province, School of Materials Science and Engineering, North University of China, Taiyuan 030051, China
| | - Yanan Liu
- Key Laboratory of Functional Nanocomposites of Shanxi Province, School of Materials Science and Engineering, North University of China, Taiyuan 030051, China
| | - Bin Zhang
- School of Materials Science and Engineering, Wuhan Textile University, Wuhan 430200, China
| | - Siqi Huo
- Center for Future Materials, University of Southern Queensland, Springfield 4300, Australia
| | - Qilei Wu
- Science and Technology on Electromagnetic Compatibility Laboratory, China Ship Development and Design Centre, Wuhan 430070, China
| | - Yaqing Liu
- Key Laboratory of Functional Nanocomposites of Shanxi Province, School of Materials Science and Engineering, North University of China, Taiyuan 030051, China.
| | - He-Xiu Xu
- Air and Missile Defense College, Air Force Engineering University, Xi'an 710051, China.
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Musa A, Alam T, Islam MT, Hakim ML, Rmili H, Alshammari AS, Islam MS, Soliman MS. Broadband Plasmonic Metamaterial Optical Absorber for the Visible to Near-Infrared Region. NANOMATERIALS (BASEL, SWITZERLAND) 2023; 13:626. [PMID: 36838994 PMCID: PMC9960955 DOI: 10.3390/nano13040626] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/31/2022] [Revised: 01/28/2023] [Accepted: 01/30/2023] [Indexed: 06/18/2023]
Abstract
An oblique angle and polarization insensitive metamaterial absorber (MA) are highly desired for the visible and infrared optical applications like, wave energy harvesting, optical filters, and detecting thermal leaks and electrical defects. In this paper, a multi-layered MA consisting of two layers of tungsten resonators on a silicon dioxide substrate, coated with additional SiO2 materials is investigated. The unit cell size of the MA is 0.5λ × 0.5λ × 0.8λ, at the lowest wavelength. The proposed MA offers an average absorption of 92% from 400 nm to 2400 nm with stable oblique incident angles up to 45°. The structure also achieves polarization insensitivity at the entire visible and near-infrared spectrum. Moreover, the MA is found highly compatible for solar absorber applications with high y AAM1.5. The structure is also compatible for filter application in optical communication system by modifying the plasmonic nano structure. The modified structure can block the wavelengths of the visible band (450 nm to 800 nm) and transmit optical communication bands (800 to 1675 nm). These versatile absorption and filtering performance make the proposed design highly potential for solar energy harvesting, photodetection, thermal imaging, photo-trapping, and optical communications applications.
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Affiliation(s)
- Ahmad Musa
- Pusat Sains Angkasa (ANGKASA), Institut Perubahan Iklim, Universiti Kebangsaan Malaysia, Bangi 43600, Selangor, Malaysia
| | - Touhidul Alam
- Pusat Sains Angkasa (ANGKASA), Institut Perubahan Iklim, Universiti Kebangsaan Malaysia, Bangi 43600, Selangor, Malaysia
| | - Mohammad Tariqul Islam
- Department of Electrical, Electronic and Systems Engineering, Faculty of Engineering and Built Environment, Universiti Kebangsaan Malaysia, Bangi 43600, Selangor, Malaysia
| | - Mohammad Lutful Hakim
- Pusat Sains Angkasa (ANGKASA), Institut Perubahan Iklim, Universiti Kebangsaan Malaysia, Bangi 43600, Selangor, Malaysia
| | - Hatem Rmili
- K. A. CARE Energy Research and Innovation Center, King Abdulaziz University, Jeddah 21589, Saudi Arabia
- Electrical and Computer Engineering Department, Faculty of Engineering, King Abdulaziz University, Jeddah 21589, Saudi Arabia
| | - Ahmed S. Alshammari
- Department of Electrical Engineering, College of Engineering, University of Ha’il, Ha’il 81481, Saudi Arabia
| | - Md. Shabiul Islam
- Faculty of Engineering (FOE), Multimedia University, Persiaran Multimedia, Cyberjaya 63100, Selangor, Malaysia
| | - Mohamed S. Soliman
- Department of Electrical Engineering, College of Engineering, Taif University, P.O. Box 11099, Taif 21944, Saudi Arabia
- Department of Electrical Engineering, Faculty of Energy Engineering, Aswan University, Aswan 81528, Egypt
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Saifullah Y, He Y, Boag A, Yang G, Xu F. Recent Progress in Reconfigurable and Intelligent Metasurfaces: A Comprehensive Review of Tuning Mechanisms, Hardware Designs, and Applications. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2022; 9:e2203747. [PMID: 36117118 PMCID: PMC9685480 DOI: 10.1002/advs.202203747] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/28/2022] [Revised: 08/19/2022] [Indexed: 05/25/2023]
Abstract
Intelligent metasurfaces have gained significant importance in recent years due to their ability to dynamically manipulate electromagnetic (EM) waves. Their multifunctional characteristics, realized by incorporating active elements into the metasurface designs, have huge potential in numerous novel devices and exciting applications. In this article, recent progress in the field of intelligent metasurfaces are reviewed, focusing particularly on tuning mechanisms, hardware designs, and applications. Reconfigurable and programmable metasurfaces, classified as space gradient, time modulated, and space-time modulated metasurfaces, are discussed. Then, reconfigurable intelligent surfaces (RISs) that can alter their wireless environments, and are considered as a promising technology for sixth-generation communication networks, are explored. Next, the recent progress made in simultaneously transmitting and reflecting reconfigurable intelligent surfaces (STAR-RISs) that can achieve full-space EM wave control are summarized. Finally, the perspective on the challenges and future directions of intelligent metasurfaces are presented.
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Affiliation(s)
- Yasir Saifullah
- College of Electronics and Information EngineeringShenzhen UniversityShenzhen518060China
| | - Yejun He
- College of Electronics and Information EngineeringShenzhen UniversityShenzhen518060China
| | - Amir Boag
- School of Electrical EngineeringTel Aviv UniversityRamat Aviv69978Israel
| | - Guo‐Min Yang
- Key Laboratory for Information Science of Electromagnetic Waves (MoE)Fudan UniversityShanghai200433China
| | - Feng Xu
- Key Laboratory for Information Science of Electromagnetic Waves (MoE)Fudan UniversityShanghai200433China
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Design of Broadband and Wide-Angle Hexagonal Metamaterial Absorber Based on Optimal Tiling of Rhombus Carbon Pixels and Implantation of Copper Cylinders. Symmetry (Basel) 2021. [DOI: 10.3390/sym13112045] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023] Open
Abstract
A design method for a broadband and wide-angle metamaterial absorber is proposed based on optimal tiling of rhombus carbon pixels on and implantation of metal cylinders inside an acrylic substrate for which the backside is blocked by the perfect conductor. First, an intermediate carbon metapattern is achieved via optimal tiling of rhombus carbon pixels based on the genetic algorithm (GA), which can minimize the reflectances of both of the transverse electric (TE) and transverse magnetic (TM) polarized electromagnetic (EM) waves for the incident angles 0∘ and 60∘ simultaneously. Then, copper cylinders are implanted inside the substrate to boost the absorptions of both of the TE and TM polarizations for the 60∘ oblique incidences. To extend the absorption bandwidth, the design is finalized by evolving the intermediate metapattern using the GA. Based on the finalized carbon metapattern, the 90% absorption bandwidth is confirmed in the frequency range 8.8 to 11.6 GHz, for which the fractional bandwidth is 27.5% for both of the two polarizations with the incident angles from 0∘ to 60∘. The proposed method could open a way to design a broadband and wide-angle EM metamaterial absorber that can be applied to the edges of three-dimensional structures such as a regular tetrahedron or square pyramid that have interior angles of 60∘ that cannot be covered by conventional square or rectangular metamaterial absorbers.
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