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Journal articles on the topic 'MULTIBAND METAMATERIAL ABSORBER (MMA)'

Author: Grafiati

Published: 26 October 2023

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1

Mohanty, Ayesha, Om Prakash Acharya, Bhargav Appasani, Kriangkrai Sooksood, and Sushanta Kumar Mohapatra. "A THz Metamaterial Absorber with Multiple Polarization - Insensitive, Sensitive, and Tunable." ECTI Transactions on Electrical Engineering, Electronics, and Communications 19, no. 2 (2021): 165–73. http://dx.doi.org/10.37936/ecti-eec.2021192.242019.

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Terahertz (THz) absorbers are gaining interest in many applications. In this paper, we present the design and simulation of a multiband metamaterial absorber (MMA) with combined polarization properties and prominent absorption at 2.2 THz and 3.9 THz. The MMA comprises two square split-ring resonators and one square ring resonator placed on top of a polyimide dielectric spacer, offering multiband absorption characteristics with maximum absorptivity of 93.18% and 96.09%, respectively. The most protruding feature of this design is that it displays multiple polarization characteristics, including

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2

Saxena, G., Y. Khanna, Y. K. Awasthi, and P. Jain. "Multi-Band Polarization Insensitive Ultra-Thin THz Metamaterial Absorber for Imaging and EMI Shielding Applications." Advanced Electromagnetics 10, no. 3 (2021): 43–49. http://dx.doi.org/10.7716/aem.v10i3.1759.

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this article, a multi-band polarization-insensitive metamaterial absorber is designed for THz imaging and EMI shielding. A unique oval-shaped structure with three circular ring-shaped resonators is proposed with a unit cell dimension of36×36×19.6μm3. The absorbance of the proposed multiband MMA is 98.57%, 90%and 99.85% at 5.58, 7.98-8.84, 11.45THz frequency respectively. Return loss is nearly the same for the changing incident and polarization angle. Therefore, this metamaterial absorber with a wide range of polarization insensitivity is found and it is also suitable for quantum RADAR Imaging,

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3

Hakim, Mohammad Lutful, Touhidul Alam, Mohammad Tariqul Islam, Mohd Hafiz Baharuddin, Ahmed Alzamil, and Md Shabiul Islam. "Quad-Band Polarization-Insensitive Square Split-Ring Resonator (SSRR) with an Inner Jerusalem Cross Metamaterial Absorber for Ku- and K-Band Sensing Applications." Sensors 22, no. 12 (2022): 4489. http://dx.doi.org/10.3390/s22124489.

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The development of metamaterial absorbers has become attractive for various fields of application, such as sensing, detectors, wireless communication, antenna design, emitters, spatial light modulators, etc. Multiband absorbers with polarization insensitivity have drawn significant attention in microwave absorption and sensing research. In this paper, we propose a quad-band polarization-insensitive metamaterial absorber (MMA) for Ku- and K-band applications. The proposed patch comprises two square split-ring resonators (SSRR), four microstrip lines, and an inner Jerusalem cross to generate fou

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4

Wang, Wenjie, Mingde Feng, Jun Wang, et al. "Quadruple-band metamaterial absorber based on the cuboid dielectric particles." Journal of Advanced Dielectrics 08, no. 04 (2018): 1850023. http://dx.doi.org/10.1142/s2010135x18500236.

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In this work, a quadruple-band dielectric metamaterial absorber (MMA) was proposed and studied, which is composed of eight cuboid dielectric particles and a metallic ground plate. When electromagnetic wave is incident on the dielectric particles, dielectric particles act as resonators and produce abundant resonant modes, which can result in perfect absorption. In simulation, four absorption peaks are observed at 9.13, 9.62, 10.0 and 10.46[Formula: see text]GHz with 88%, 89%, 100% and 96%, respectively. By adjusting geometry parameters of the dielectric particles, dielectric MMAs with different

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5

Hossain, I., M. Samsuzzaman, M. S. J. Singh, B. B. Bais, and M. T. Islam. "Numerical investigation of polarization-insensitive multiband metamaterial for terahertz solar absorber." Digest Journal of Nanomaterials and Biostructures 16, no. 2 (2021): 593–600. http://dx.doi.org/10.15251/djnb.2021.162.593.

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This study presents a nanostructured multiband metamaterial absorber for the optical regime application. The proposed structure is exhibited 0° to 90° polarization insensitivity and up to 45° angular stability with more than 90% peak absorption in between 300 THz800 THz frequency range. Proposed MMA structure is acquired perfect absorption of 99.99% at 571THz, 99.50% at 488.26 THz, 99.32% at 598 THz frequency by adjusting geometrical parameters. Due to perfect impedance matching with plasmonic resonance characteristics, these structures achieved an average absorption of 95.30%, 91.96%, 97.25%,

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6

Wu, Han, Shijun Ji, Ji Zhao, Chengxin Jiang, and Handa Dai. "Design and Analysis of a Five-Band Polarization-Insensitive Metamaterial Absorber." International Journal of Antennas and Propagation 2020 (December 7, 2020): 1–12. http://dx.doi.org/10.1155/2020/8827517.

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A five-band metamaterial absorber (MMA) is presented. The proposed absorber consists of a three-layer structure of the top metal resonator, intermediate dielectric layer, and bottom metal plane. The top structure takes the centroid as the center and spreads out in a three-pronged shape with an average of 360°, and the ends bifurcate again. The calculation was carried out by the professional software to iteratively optimize the absorption effect of MMA in the microwave range. The results show that the MA has five peaks at resonant frequencies of 5.984 GHz, 12.232 GHz, 18.128 GHz, 18.414 GHz, an

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7

Hannan, Islam, Hoque, Singh, and Almutairi. "Design of a Novel Double Negative Metamaterial Absorber Atom for Ku and K Band Applications." Electronics 8, no. 8 (2019): 853. http://dx.doi.org/10.3390/electronics8080853.

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This paper presents a multiband metamaterial (MM) absorber based on a novel spiral resonator with continuous, dual, and opposite P-shape. The full wave analysis shows 80.06% to 99.95% absorption at frequencies range for Ku and K bands for several substrate materials of 100 mm2 area. The results indicate that the absorption rate remains similar for different polarizing angles in TEM mode with different substrates. With FR4 (Flame Retardant 4) substrate and 64 mm2 ground plane, the design acts as single negative (SNG) MM absorber in K band resonance frequencies (19.75–21.37 GHz) and acts as doub

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8

Gu, Chao, Shao-Bo Qu, Zhi-Bin Pei, Zhuo Xu, Jia Liu, and Wei Gu. "Multiband terahertz metamaterial absorber." Chinese Physics B 20, no. 1 (2011): 017801. http://dx.doi.org/10.1088/1674-1056/20/1/017801.

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9

Xu, Zong-Cheng, Run-Mei Gao, Chun-Feng Ding, Ya-Ting Zhang, and Jian-Quan Yao. "Multiband Metamaterial Absorber at Terahertz Frequencies." Chinese Physics Letters 31, no. 5 (2014): 054205. http://dx.doi.org/10.1088/0256-307x/31/5/054205.

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10

Tian, Yiran, Guangjun Wen, and Yongjun Huang. "Multiband Negative Permittivity Metamaterials and Absorbers." Advances in OptoElectronics 2013 (July 28, 2013): 1–7. http://dx.doi.org/10.1155/2013/269170.

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Design and characteristics of multiband negative permittivity metamaterial and its absorber configuration are presented in this paper. The proposed multiband metamaterial is composed of a novel multibranch resonator which can possess four electric resonance frequencies. It is shown that, by controlling the length of the main branches of such resonator, the resonant frequencies and corresponding absorbing bands of metamaterial absorber can be shifted in a large frequency band.

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11

Zou, Jinglan, Jianfa Zhang, Yuwen He, Qilin Hong, Cong Quan, and Zhihong Zhu. "Multiband metamaterial selective absorber for infrared stealth." Applied Optics 59, no. 28 (2020): 8768. http://dx.doi.org/10.1364/ao.405015.

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12

Gao, Runmei, Zongcheng Xu, Chunfeng Ding, Liang Wu, and Jianquan Yao. "Graphene metamaterial for multiband and broadband terahertz absorber." Optics Communications 356 (December 2015): 400–404. http://dx.doi.org/10.1016/j.optcom.2015.08.023.

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13

Jung, Seungwon, Young Ju Kim, Young Joon Yoo, et al. "High-Order Resonance in a Multiband Metamaterial Absorber." Journal of Electronic Materials 49, no. 3 (2019): 1677–88. http://dx.doi.org/10.1007/s11664-019-07661-1.

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14

Chen, Xu, and Wenhui Fan. "Ultra-flexible polarization-insensitive multiband terahertz metamaterial absorber." Applied Optics 54, no. 9 (2015): 2376. http://dx.doi.org/10.1364/ao.54.002376.

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15

Lee, Hong-Min, and Hyung-Sup Lee. "A Method for Extending the Bandwidth of Metamaterial Absorber." International Journal of Antennas and Propagation 2012 (2012): 1–7. http://dx.doi.org/10.1155/2012/859429.

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We present a method for extending the bandwidth of a metamaterial absorber (MMA) with multiresonance structure. The basic unit cell of the MMAs consists of a periodic arrangement of an electric-LC (ELC) resonator and a square loop structure. The absorption bandwidth of an MMA is effectively extended by combining five unit cell structures with different geometric dimensions into a coplanar unit cell. Experimental results show that the fabricated MMA is 0.8 mm (0.0026 λ0) thick with a peak absorption rate of 93% at 10 GHz and a full width at half maximum (FWHM) bandwidth of 970 MHz.

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16

Muthukrishnan, Kavitha, and Venkateswaran Narasimhan. "Multiband Terahertz Metamaterial Absorber Based on Multipolar Plasmonic Resonances." Plasmonics 16, no. 4 (2021): 1049–57. http://dx.doi.org/10.1007/s11468-020-01322-4.

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17

Luo, Zhiyou, Shijun Ji, Ji Zhao, Han Wu, and Handa Dai. "A multiband metamaterial absorber for GHz and THz simultaneously." Results in Physics 30 (November 2021): 104893. http://dx.doi.org/10.1016/j.rinp.2021.104893.

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18

Hu, Fangrong, Li Wang, Baogang Quan, et al. "Design of a polarization insensitive multiband terahertz metamaterial absorber." Journal of Physics D: Applied Physics 46, no. 19 (2013): 195103. http://dx.doi.org/10.1088/0022-3727/46/19/195103.

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19

Zhao, Wenhan, Junqiao Wang, Ran Li, and Bin Zhang. "Ultranarrow dual-band metamaterial perfect absorber and its sensing application." Journal of Optics 24, no. 3 (2022): 035103. http://dx.doi.org/10.1088/2040-8986/ac4aba.

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Abstract In this paper, a dual-band metamaterial absorber (MMA) with wide-angle and high absorptivity is proposed. The MMA consists of two silver layers separated by a dielectric layer. Its top resonant element is constituted by two concentric ring resonators connected with four strips. Based on electromagnetic field simulation, the proposed MMA has two narrow absorption peaks with an absorption rate of 99.9% at 711 nm and 99.8% at 830 nm, and the corresponding line width of the two absorption peaks are only 9.7 and 9.8 nm. The dual-band MMA shows high absorptivity under wide incident angles.

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20

Song, Shitong, Fanyi Liu, Limei Qi, Zhao Zhang, Haodong Wang, and Yuting Zhou. "A MoS2-based broadband and multiband metamaterial absorber in the visible band." Modern Physics Letters B 34, no. 34 (2020): 2050397. http://dx.doi.org/10.1142/s0217984920503972.

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A broadband MoS2-based absorber composed of Ag rod/MoS2/dielectric/Ag is proposed in the visible band. The relative bandwidth is 65% for the absorption above 80%. The absorber also has the properties of polarization-independence and wide-angle absorption. Impedance matching theory is used to analyze the physical mechanism of the broadband absorption. By investigating the absorption property of each part of the absorber, it is found that the absorption is enhanced by introducing the two-dimensional material MoS2. The broadband absorber can be changed to be multiband absorber by changing the thi

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21

Guo, Tian-Long, Fangfang Li, and Matthieu Roussey. "Dielectric multilayer cavity coupled metamaterial." EPJ Web of Conferences 287 (2023): 04027. http://dx.doi.org/10.1051/epjconf/202328704027.

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Dielectric multilayer stack metasurface is coupled with a gold mirror forming a hybrid metamaterial that targeting at multiband absorption. The resonant mechanisms responsible for each absorption band are explained in this study. Furthermore, a potential fabrication process has been proposed and demonstrated. This absorber exhibits flexibility in design and feasibility in fabrication, which makes it an excellent candidate for various applications, particularly in the field of sensing.

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22

Chowdhury, Md Zikrul Bari, Mohammad Tariqul Islam, Ahasanul Hoque, et al. "Design and Parametric Analysis of a Wide-Angle and Polarization Insensitive Ultra-Broadband Metamaterial Absorber for Visible Optical Wavelength Applications." Nanomaterials 12, no. 23 (2022): 4253. http://dx.doi.org/10.3390/nano12234253.

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Researchers are trying to work out how to make a broadband response metamaterial absorber (MMA). Electromagnetic (EM) waves that can pass through the atmosphere and reach the ground are most commonly used in the visible frequency range. In addition, they are used to detect faults, inspect tapped live-powered components, electrical failures, and thermal leaking hot spots. This research provides a numerical analysis of a compact split ring resonator (SRR) and circular ring resonator (CRR) based metamaterial absorber (MMA) using a three-layer substrate material configuration for wideband visible

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23

Hossain, Ismail, Md Samsuzzaman, Mohd Hafiz Baharuddin, Norsuzlin Binti Mohd Sahar, Mandeep Singh Jit Singh, and Mohammad Tariqul Islam. "Computational Investigation of Multiband EMNZ Metamaterial Absorber for Terahertz Applications." Computers, Materials & Continua 71, no. 2 (2022): 3905–20. http://dx.doi.org/10.32604/cmc.2022.022027.

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24

Zhang, Man, and Zhengyong Song. "Switchable terahertz metamaterial absorber with broadband absorption and multiband absorption." Optics Express 29, no. 14 (2021): 21551. http://dx.doi.org/10.1364/oe.432967.

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25

Lv, Yisong, Jinping Tian, and Rongcao Yang. "Multiband tunable perfect metamaterial absorber realized by different graphene patterns." Journal of the Optical Society of America B 38, no. 8 (2021): 2409. http://dx.doi.org/10.1364/josab.428026.

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26

Yahiaoui, Riad, Jean Paul Guillet, Frédérick de Miollis, and Patrick Mounaix. "Ultra-flexible multiband terahertz metamaterial absorber for conformal geometry applications." Optics Letters 38, no. 23 (2013): 4988. http://dx.doi.org/10.1364/ol.38.004988.

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27

Jiang, Hao, Zhenghui Xue, Weiming Li, and Wu Ren. "Multiband polarisation insensitive metamaterial absorber based on circular fractal structure." IET Microwaves, Antennas & Propagation 10, no. 11 (2016): 1141–45. http://dx.doi.org/10.1049/iet-map.2015.0789.

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28

Liao, Y. L., and Y. Zhao. "A multiband polarization-insensitive metamaterial absorber in the infrared regime." Indian Journal of Physics 89, no. 2 (2014): 195–98. http://dx.doi.org/10.1007/s12648-014-0550-2.

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29

Wu, Han, Shijun Ji, Ji Zhao, Zhiyou Luo, and Handa Dai. "Design and Analysis of a Triple-band Non-zonal Polarization Electromagnetic Metamaterial Absorber." Applied Computational Electromagnetics Society 36, no. 6 (2021): 697–706. http://dx.doi.org/10.47037/2020.aces.j.360611.

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A facile design of a novel triple-band electromagnetic metamaterial absorber (MMA) with polarization insensitive property is proposed in this paper. Each unit of the MMA consists of upper copper resonator and bottom copper plate with middle dielectric FR-4 between them. The MMA performs three absorption peaks at 16.919 GHz, 21.084 GHz and 25.266 GHz with absorption rates 99.90%, 97.76% and 99.18%, respectively. The influence of the main structural parameters on the frequencies and absorption rates is analyzed. The absorption mechanism of the absorber is explained by electric field, magnetic fi

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30

Ali, Hema Omer, and Asaad M. Al-Hindawi. "A Ultra-broadband Thin Metamaterial Absorber for Ku and K Bands Applications." Journal of Engineering 27, no. 5 (2021): 1–16. http://dx.doi.org/10.31026/j.eng.2021.05.01.

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In this paper, a design of the broadband thin metamaterial absorber (MMA) is presented. Compared with the previously reported metamaterial absorbers, the proposed structure provides a wide bandwidth with a compatible overall size. The designed absorber consists of a combination of octagon disk and split octagon resonator to provide a wide bandwidth over the Ku and K bands' frequency range. Cheap FR-4 material is chosen to be a substate of the proposed absorber with 1.6 thicknesses and 6.5×6.5 overall unit cell size. CST Studio Suite was used for the simulation of the proposed absorber. The pro

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31

Hakim, Mohammad Lutful, Abu Hanif, Touhidul Alam, et al. "Ultrawideband Polarization-Independent Nanoarchitectonics: A Perfect Metamaterial Absorber for Visible and Infrared Optical Window Applications." Nanomaterials 12, no. 16 (2022): 2849. http://dx.doi.org/10.3390/nano12162849.

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This article presents numerical analysis of an ultrathin concentric hexagonal ring resonator (CHRR) metamaterial absorber (MMA) for ultrawideband visible and infrared optical window applications. The proposed MMA exhibits an absorption of above 90% from 380 to 2500 nm and an average absorbance of 96.64% at entire operational bandwidth with a compact unit cell size of 66 × 66 nm2. The designed MMA shows maximum absorption of 99% at 618 nm. The absorption bandwidth of the MMA covers the entire visible and infrared optical windows. The nickel material has been used to design the top and bottom la

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32

A., Elakkiya, Radha Sankararajan, Sreeja B.S., and Manikandan E. "Modified I-shaped hexa-band near perfect terahertz metamaterial absorber." Circuit World 46, no. 4 (2020): 281–84. http://dx.doi.org/10.1108/cw-11-2019-0155.

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Purpose A novel and simple six-band metamaterial absorber is proposed in the terahertz region, which is composed of an I-shaped absorber and circular ring with four gaps and a continuous metal ground plane separated by only 0.125 mm polyimide dielectric substrate. Initially, I-shaped resonator gives three bands at 0.4, 0.468 and 0.4928 THz with the absorptivity of 99.3%, 97.9% and 99.1%, respectively. The purpose of this paper is to improve the number of bands, for which the authors added the circular ring with four gaps, so the simulated metamaterial absorber exhibited six absorption peaks at

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33

Luo, Hao, and Yong Zhi Cheng. "Design of an ultrabroadband visible metamaterial absorber based on three-dimensional metallic nanostructures." Modern Physics Letters B 31, no. 25 (2017): 1750231. http://dx.doi.org/10.1142/s0217984917502311.

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We present the design and numerical simulations of an ultrabroadband visible metamaterial absorber (MMA) with polarization-insensitive and wide-angle based on three-dimensional (3D) metallic nanostructure. Distinct from previous designs, the proposed visible MMA only consisted of structured 3D metallic film constructed with an assembly of four vertical split-rings (FVSR) structure. For the optimized design of our MMA, the absorbance of over 90% with a relative bandwidth of 94.8% can be obtained. Further simulation results indicate that our design is polarization-insensitive and also operated w

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34

El Assal, Aicha, Hanadi Breiss, Ratiba Benzerga, Ala Sharaiha, Akil Jrad, and Ali Harmouch. "Toward an Ultra-Wideband Hybrid Metamaterial Based Microwave Absorber." Micromachines 11, no. 10 (2020): 930. http://dx.doi.org/10.3390/mi11100930.

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In this paper, we propose a novel design of an ultra-wideband hybrid microwave absorber operating in the frequency range between 2 GHz and 18 GHz. This proposed hybrid absorber is composed of two different layers that integrate a multiband metamaterial absorber and a lossy dielectric layer. The metamaterial absorber consists of a periodic pattern that is composed of an arrangement of different scales of coupled resonators and a metallic ground plane, and the dielectric layer is made of epoxy foam composite loaded with low weight percentage (0.075 wt.%) of 12 mm length carbon fibers. The numeri

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Tang, Yibo, Longhui He, Anfeng Liu, Cuixiu Xiong, and Hui Xu. "Optically transparent metamaterial absorber based on Jerusalem cross structure at S-band frequencies." Modern Physics Letters B 34, no. 16 (2020): 2050175. http://dx.doi.org/10.1142/s0217984920501754.

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An optically transparent metamaterial absorber (MMA) has been demonstrated numerically and experimentally at the S-band. The designed MMA is composed of polymethyl methacrylate (PMMA), indium-tin-oxide (ITO) attached to polyethylene terephthalate (PET) film, and numerically provides effective absorption with reflection loss lower than −10 dB in the frequency range of 1.85–4.65 GHz. Experimental measurement shows the reflection loss of the proposed MMA is better than −10 dB from 2.00 GHz to 4.25 GHz, which agrees pretty well with the simulated results. Distributions of surface current, electrom

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36

Chen, Fu, Yongzhi Cheng, and Hui Luo. "A Broadband Tunable Terahertz Metamaterial Absorber Based on Single-Layer Complementary Gammadion-Shaped Graphene." Materials 13, no. 4 (2020): 860. http://dx.doi.org/10.3390/ma13040860.

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We present a simple design of a broadband tunable metamaterial absorber (MMA) in the terahertz (THz) region, which consists of a single layer complementary gammadion-shaped (CGS) graphene sheet and a polydimethylsiloxane (PDMS) dielectric substrate placed on a continuous metal film. The Fermi energy level (Ef) of the graphene can be modulated dynamically by the applied DC bias voltage, which enables us to electrically control the absorption performance of the proposed MMA flexibly. When Ef = 0.8 eV, the relative bandwidth of the proposed MMA, which represents the frequency region of absorption

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Wang Wen-Jie, Wang Jia-Fu, Yan Ming-Bao, et al. "Ultra-thin multiband metamaterial absorber based on multi-order plasmon resonances." Acta Physica Sinica 63, no. 17 (2014): 174101. http://dx.doi.org/10.7498/aps.63.174101.

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38

Tran, Cuong Manh, Hai Van Pham, Hien Thuy Nguyen, Thuy Thi Nguyen, Lam Dinh Vu, and Tung Hoang Do. "Creating Multiband and Broadband Metamaterial Absorber by Multiporous Square Layer Structure." Plasmonics 14, no. 6 (2019): 1587–92. http://dx.doi.org/10.1007/s11468-019-00953-6.

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39

Gunduz, O. T., and C. Sabah. "Polarization angle independent perfect multiband metamaterial absorber and energy harvesting application." Journal of Computational Electronics 15, no. 1 (2015): 228–38. http://dx.doi.org/10.1007/s10825-015-0735-8.

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40

Mulla, Batuhan, and Cumali Sabah. "Ultrathin thermally stable multiband metamaterial absorber design for solar energy applications." Journal of Nanophotonics 12, no. 01 (2018): 1. http://dx.doi.org/10.1117/1.jnp.12.016005.

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41

Li, Xiaoman, He Feng, Maojin Yun, et al. "Polarization-independent and all-optically modulated multiband metamaterial coherent perfect absorber." Optics & Laser Technology 166 (November 2023): 109644. http://dx.doi.org/10.1016/j.optlastec.2023.109644.

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42

Hakim, Mohammad Lutful, Mohammad Tariqul Islam, Touhidul Alam, et al. "Triple-Band Square Split-Ring Resonator Metamaterial Absorber Design with High Effective Medium Ratio for 5G Sub-6 GHz Applications." Nanomaterials 13, no. 2 (2023): 222. http://dx.doi.org/10.3390/nano13020222.

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This article proposes a square split-ring resonator (SSRR) metamaterial absorber (MMA) for sub-6 GHz application. The unit cell of the MMA was designed and fabricated on commercially available low-cost FR-4 substrate material with a dielectric constant o 4.3. The higher effective medium ratio (EMR) of the designed unit cell shows the compactness of the MMA. The dimension of the unit cell is 9.5 × 9.5 × 1.6 mm3, which consists of two split rings and two arms with outer SSRR. The proposed MMA operates at 2.5 GHz, 4.9 GHz, and 6 GHz frequency bands with a 90% absorption peak and shows a single ne

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43

Qi, Buxiong, Wenqiong Chen, Tiaoming Niu, and Zhonglei Mei. "Ultra-Broadband Refractory All-Metal Metamaterial Selective Absorber for Solar Thermal Energy Conversion." Nanomaterials 11, no. 8 (2021): 1872. http://dx.doi.org/10.3390/nano11081872.

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A full-spectrum near-unity solar absorber has attracted substantial attention in recent years, and exhibited broad application prospects in solar thermal energy conversion. In this paper, an all-metal titanium (Ti) pyramid structured metamaterial absorber (MMA) is proposed to achieve broadband absorption from the near-infrared to ultraviolet, exhibiting efficient solar-selective absorption. The simulation results show that the average absorption rate in the wavelength range of 200–2620 nm reached more than 98.68%, and the solar irradiation absorption efficiency in the entire solar spectrum rea

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44

Luo, Zhiyou, Shijun Ji, Ji Zhao, Zhenze Liu, and Handa Dai. "An ultra-thin flexible conformal four-band metamaterial absorber applied in S-/C-/X-band." Physica Scripta 97, no. 4 (2022): 045813. http://dx.doi.org/10.1088/1402-4896/ac5bbe.

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Abstract In recent years, many kinds of multiband metamaterial absorbers (MMAs) have sprung up. However, most of their dielectric layers were filled with rigid dielectric materials, which has many limitations in practical application. In this paper, an ultra-thin flexible conformal four-band metamaterial absorber (FMMA) is presented based on the dielectric material of polyimide (PI), and its thickness is only 0.0047 of the wavelength at the lowest absorption frequency. The top resonator is adopted a hollow structure, which is different from the common strip and ring structure, providing a nove

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Alsulami, Qana A., S. Wageh, Ahmed A. Al-Ghamdi, Rana Muhammad Hasan Bilal, and Muhammad Ahsan Saeed. "A Tunable and Wearable Dual–Band Metamaterial Absorber Based on Polyethylene Terephthalate (PET) Substrate for Sensing Applications." Polymers 14, no. 21 (2022): 4503. http://dx.doi.org/10.3390/polym14214503.

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Advanced wireless communication technology claims miniaturized, reconfigurable, highly efficient, and flexible meta-devices for various applications, including conformal implementation, flexible antennas, wearable sensors, etc. Therefore, bearing these challenges in mind, a dual-band flexible metamaterial absorber (MMA) with frequency-reconfigurable characteristics is developed in this research. The geometry of the proposed MMA comprises a square patch surrounded by a square ring, which is mounted over a copper-backed flexible dielectric substrate. The top surface of the MMA is made of silver

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Sharma, Atipriya, Ravi Panwar, and Rajesh Khanna. "Development of Single layered, Wide angle, Polarization insensitive Metamaterial Absorber." Defence Science Journal 71, no. 03 (2021): 372–77. http://dx.doi.org/10.14429/dsj.71.16701.

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The simultaneous achievement of multiband absorption, polarisation-insensitive, and angularly stable absorber is a difficult job. Therefore, in this article, an efficient single-layered absorber is designed, critically analysed, fabricated, and experimentally validated. The proposed model incorporates eight sectors loaded a circle inside the square. The four discrete absorption peaks are observed at 4.4 GHz, 6.0 GHz, 14.1 GHz, and 16.0 GHz manifesting absorption intensities of 94%, 84%, 82%, and 92%, respectively. Parametric studies have been also exercised to investigate the influence of disc

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Evangeline Persis, G. P., J. John Paul, Thusnavis Bella Mary, and R. Catherine Joy. "A compact tilted split ring multiband metamaterial absorber for energy harvesting applications." Materials Today: Proceedings 56 (2022): 368–72. http://dx.doi.org/10.1016/j.matpr.2022.01.206.

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Xiao, Dong, and Keyu Tao. "Ultra-compact metamaterial absorber for multiband light absorption at mid-infrared frequencies." Applied Physics Express 8, no. 10 (2015): 102001. http://dx.doi.org/10.7567/apex.8.102001.

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Mulla, Batuhan, and Cumali Sabah. "Multiband Metamaterial Absorber Design Based on Plasmonic Resonances for Solar Energy Harvesting." Plasmonics 11, no. 5 (2016): 1313–21. http://dx.doi.org/10.1007/s11468-015-0177-y.

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Aksimsek, Sinan. "Design of an ultra-thin, multiband, micro-slot based terahertz metamaterial absorber." Journal of Electromagnetic Waves and Applications 34, no. 16 (2020): 2181–93. http://dx.doi.org/10.1080/09205071.2020.1809532.

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