Ultra-Wideband Electromagnetic Composite Absorber Based on Pixelated Metasurface with Optimization Algorithm
An ultra-wideband electromagnetic (EM) absorber is proposed. The proposed absorber consists of two thin metasurfaces, four dielectric layers, a glass fiber reinforced polymer (GFRP), and a carbon fiber reinforced polymer (CFRP) which works as a conductive reflector. The thin metasurfaces are accompl...
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| Format: | Article |
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MDPI AG
2023-08-01
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| Series: | Materials |
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| Online Access: | https://www.mdpi.com/1996-1944/16/17/5916 |
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| author | Changhyeong Lee Kichul Kim Pyoungwon Park Yunseok Jang Jeongdai Jo Taein Choi Hakjoo Lee |
| author_facet | Changhyeong Lee Kichul Kim Pyoungwon Park Yunseok Jang Jeongdai Jo Taein Choi Hakjoo Lee |
| author_sort | Changhyeong Lee |
| collection | DOAJ |
| description | An ultra-wideband electromagnetic (EM) absorber is proposed. The proposed absorber consists of two thin metasurfaces, four dielectric layers, a glass fiber reinforced polymer (GFRP), and a carbon fiber reinforced polymer (CFRP) which works as a conductive reflector. The thin metasurfaces are accomplished with 1-bit pixelated patterns and optimized by a genetic algorithm. Composite materials of GFRP and CFRP are incorporated to improve the durability of the proposed absorber. From the full-wave simulation, more than 90% absorption rate bandwidth is computed from 2.2 to 18 GHz such that the fractional bandwidth is about 156% for the incidence angles from 0° to 30°. Absorptivity is measured using the Naval Research Laboratory (NRL) arch method in an EM anechoic environment. It was shown that the measured results correlated with the simulated results. In addition, the proposed absorber underwent high temperature and humidity tests under military environment test conditions in order to investigate its durability. |
| first_indexed | 2024-03-10T23:18:17Z |
| format | Article |
| id | doaj.art-48a4a18df522480bad9d2abb10a48eb0 |
| institution | Directory Open Access Journal |
| issn | 1996-1944 |
| language | English |
| last_indexed | 2024-03-10T23:18:17Z |
| publishDate | 2023-08-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Materials |
| spelling | doaj.art-48a4a18df522480bad9d2abb10a48eb02023-11-19T08:27:41ZengMDPI AGMaterials1996-19442023-08-011617591610.3390/ma16175916Ultra-Wideband Electromagnetic Composite Absorber Based on Pixelated Metasurface with Optimization AlgorithmChanghyeong Lee0Kichul Kim1Pyoungwon Park2Yunseok Jang3Jeongdai Jo4Taein Choi5Hakjoo Lee6Research and Development Team, Center for Advanced Metamaterials, Daejeon 34103, Republic of KoreaResearch and Development Team, Center for Advanced Metamaterials, Daejeon 34103, Republic of KoreaDepartment of Flexible & Printed Electronics, Korea Institute of Machinery and Materials, Daejeon 34103, Republic of KoreaDepartment of Flexible & Printed Electronics, Korea Institute of Machinery and Materials, Daejeon 34103, Republic of KoreaDepartment of Flexible & Printed Electronics, Korea Institute of Machinery and Materials, Daejeon 34103, Republic of KoreaResearch and Development Team, Center for Advanced Metamaterials, Daejeon 34103, Republic of KoreaResearch and Development Team, Center for Advanced Metamaterials, Daejeon 34103, Republic of KoreaAn ultra-wideband electromagnetic (EM) absorber is proposed. The proposed absorber consists of two thin metasurfaces, four dielectric layers, a glass fiber reinforced polymer (GFRP), and a carbon fiber reinforced polymer (CFRP) which works as a conductive reflector. The thin metasurfaces are accomplished with 1-bit pixelated patterns and optimized by a genetic algorithm. Composite materials of GFRP and CFRP are incorporated to improve the durability of the proposed absorber. From the full-wave simulation, more than 90% absorption rate bandwidth is computed from 2.2 to 18 GHz such that the fractional bandwidth is about 156% for the incidence angles from 0° to 30°. Absorptivity is measured using the Naval Research Laboratory (NRL) arch method in an EM anechoic environment. It was shown that the measured results correlated with the simulated results. In addition, the proposed absorber underwent high temperature and humidity tests under military environment test conditions in order to investigate its durability.https://www.mdpi.com/1996-1944/16/17/5916absorbercompositegenetic algorithmmetamaterialsmetasurfacesultra-wideband |
| spellingShingle | Changhyeong Lee Kichul Kim Pyoungwon Park Yunseok Jang Jeongdai Jo Taein Choi Hakjoo Lee Ultra-Wideband Electromagnetic Composite Absorber Based on Pixelated Metasurface with Optimization Algorithm Materials absorber composite genetic algorithm metamaterials metasurfaces ultra-wideband |
| title | Ultra-Wideband Electromagnetic Composite Absorber Based on Pixelated Metasurface with Optimization Algorithm |
| title_full | Ultra-Wideband Electromagnetic Composite Absorber Based on Pixelated Metasurface with Optimization Algorithm |
| title_fullStr | Ultra-Wideband Electromagnetic Composite Absorber Based on Pixelated Metasurface with Optimization Algorithm |
| title_full_unstemmed | Ultra-Wideband Electromagnetic Composite Absorber Based on Pixelated Metasurface with Optimization Algorithm |
| title_short | Ultra-Wideband Electromagnetic Composite Absorber Based on Pixelated Metasurface with Optimization Algorithm |
| title_sort | ultra wideband electromagnetic composite absorber based on pixelated metasurface with optimization algorithm |
| topic | absorber composite genetic algorithm metamaterials metasurfaces ultra-wideband |
| url | https://www.mdpi.com/1996-1944/16/17/5916 |
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