基于人工电磁介质的宽带吸波器研究进展  

Research progress in broadband absorber based on artificial electromagnetic medium

作　　者：杜宏艳 张子栋[1] 田瑞 张文锦 张剑[2] 刘昕宇 孙凯 范润华 DU Hong-yan;ZHANG Zi-dong;TIAN Rui;ZHANG Wen-jin;ZHANG Jian;LIU Xin-yu;SUN Kai;FAN Run-hua(School of Materials Science&Engineering,Shandong University,Jinan 250061,China;School of Life Sciences,Shandong University,Qingdao 266237,Shangdong,China;College of New Students,Tongji University,Shanghai 20092,China;College of Ocean Science and Engineering,Shanghai Maritime University,Shanghai 201306,China)

机构地区：[1]山东大学材料科学与工程学院,济南250061 [2]山东大学生命科学学院,山东青岛266237 [3]同济大学新生院,上海200092 [4]上海海事大学海洋科学与工程学院,上海201306

出　　处：《材料工程》2020年第6期23-33,共11页Journal of Materials Engineering

基　　金：国家自然科学基金青年项目(51601105);中国博士后基金面上项目(2018T110687,2017M622199);中国科协青年人才托举工程(2017QNRC001)。

摘　　要：利用人工电磁介质拓展吸波器吸收带宽,是国内外研究人员主要的关注领域.本文综述近年来主要研究的基于人工电磁介质的宽带吸波器的典型结构及其应用,分析人工电磁介质结构在提高吸波器吸收率方面的机理,介绍基于集总元件扩宽吸波器带宽的理论模型,强调人工电磁介质在拓展吸波带宽中的重要作用.最后展望人工电磁介质在科技领域的应用前景,并指出宽带电磁吸波器未来的发展趋势主要集中在可协调性、多物理场耦合以及低成本制备,尤其是高效大面积低成本制备工艺将成为未来吸波器重要的研究方向.Artificial electromagnetic medium can effectively expand the absorption bandwidth of the absorber,which has aroused wide attention of researchers at home and abroad.The main typical structure and application of broadband absorbers based on artificial electromagnetic medium were reviewed in recent years.The mechanism of artificial electromagnetic medium structure in improving the absorption rate of the absorber was analyzed.The theoretical model of widening the bandwidth of the absorber based on lumped elements was introduced.The important role of artificial electromagnetic medium in expanding the absorbing bandwidth was emphasized.Finally,the application prospect of electromagnetic medium in the field of science and technology was prospected,and it was pointed out that the future development trend of broadband electromagnetic absorbers mainly focuses on coordinability,multi-physics coupling and low-cost production,especially the efficient large-area low-cost production process will become important for the future.

关 键 词：人工电磁介质 吸波器 宽带 集总元件 

分 类 号：TB34[一般工业技术—材料科学与工程]