Frequency and bandwidth modulation of a wide band-stop metamaterial for EMI shielding applications

被引:2
|
作者
Hasan, Md. Mhedi [1 ,2 ]
Moniruzzaman, Md. [3 ]
Kirawanich, Phumin [4 ]
Alam, Touhidul [5 ]
Bin Yahya, Iskandar [1 ]
Alrashdi, Ayed M. [6 ]
Mobarak, Mahjabin [7 ]
Soliman, Mohamed S. [8 ,9 ]
Islam, Mohammad Tariqul [1 ,4 ]
机构
[1] Univ Kebangsaan Malaysia, Fac Engn & Built Environm, Dept Elect Elect & Syst Engn, Bangi 43600, Selangor, Malaysia
[2] Comilla Univ, Fac Engn, Dept Informat & Commun Technol ICT, Cumilla 3506, Bangladesh
[3] Int Univ Business Agr & Technol, Coll Engn & Technol, Dept Elect & Elect Engn, Uttara, Dhaka 1230, Bangladesh
[4] Mahidol Univ, Fac Engn, Dept Elect Engn, 25-25 Phuttamonthon 4 Rd, Nakhon Pathom 73170, Thailand
[5] Univ Kebangsaan Malaysia, Inst Perubahan Iklim, Pusat Sains Angkasa ANGKASA, Bangi 43600, Selangor, Malaysia
[6] Univ Hail, Coll Engn, Dept Elect Engn, Hail 81441, Saudi Arabia
[7] Southeast Univ, Dept Elect & Elect Engn, Dhaka 1208, Bangladesh
[8] Taif Univ, Coll Engn, Dept Elect Engn, POB 11099, Taif 21944, Saudi Arabia
[9] Aswan Univ, Fac Energy Engn, Dept Elect Engn, Aswan 81528, Egypt
来源
OPTICS AND LASER TECHNOLOGY | 2024年 / 172卷
关键词
Metamaterial; EMI shielding; Wide band -stop filter; Frequency and bandwidth modulation; Compact size; Shielding effectiveness; REDUCTION;
D O I
10.1016/j.optlastec.2023.110515
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
In this paper, a mu-near-zero wide band-stop metamaterial (MM) shield is conducted for electromagnetic interference (EMI) shielding purposes in the C-and X-band. The proposed design intends to employ a shared MM structure to serve two distinct microwave bands with extended shielding bandwidth. The proposed structure consists of metal strip coupled four identical quartiles based unique mirror symmetric resonator and designed on a low-loss Rogers 5880 substrate within a compact physical dimension of 7.5 mm x 7.5 mm x 1.575 mm. The speciality of the proposed MM is its wide band-stop functionality with maximum shielding bandwidth and effectiveness of 4.33 GHz and 66.6 dB, respectively. Moreover, four shorting metal strips among adjacent quartiles can control the shielding spectrum from C-band to X-band with an outstanding band-stop enhancement capability of 170.63 %, which significantly outperforms the existing MMs. Therefore, the proposed MM structure can be utilized for two distinct wide frequency spectrums shielding by introducing simple shorting metallic strips. The electromagnetic radiation shielding phenomena are also explained using surface current and electric and magnetic field distribution. The proposed MM prototypes are fabricated and experimentally verified with numerical results. The promising shielding performance of the developed MM demonstrates the potentiality for shielding undesired electromagnetic radiation.
引用
收藏
页数:10
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