一种基于多层电阻膜的超宽带超材料吸波体

doi:10.3969/j.iss.0372-2012-2014.03.029

电子学报 ›› 2014, Vol. 42 ›› Issue (3): 607-610.DOI: 10.3969/j.iss.0372-2012-2014.03.029

一种基于多层电阻膜的超宽带超材料吸波体

林宝勤, 魏伟, 达新宇, 杜思深, 李伟

空军工程大学信息与导航学院, 陕西西安 710077

收稿日期:2011-05-07 修回日期:2012-12-25 出版日期:2014-03-25
- 作者简介:
- 林宝勤 男.1976年10月出生于湖南醴陵，2006年获国防科技大学电子科学与技术专业博士学位，现为空军工程大学信息与导航学院讲师，主要研究领域为人工电磁材料、雷达隐身技术等.E-mail：aflbq@sina.com
- 基金资助:
- 国家自然科学基金 (No.6127150，No.61302153）

A Novel Ultra-Broad-Band Metamaterial Absorber Based on Multilayer Resistance Films

LIN Bao-qin, WEI Wei, DA Xin-yu, DU Si-shen, LI Wei

Institute of Information and Navigation, Air Force Engineering University, Xi'an, Shaanxi 710077, China

Received:2011-05-07 Revised:2012-12-25 Online:2014-03-25 Published:2014-03-25
- Supported by:
- National Natural Science Foundation of China (No.6127150, No.61302153)

摘要/Abstract

摘要： 本文提出了一种基于多层电阻膜的超带宽超材料吸波体的设计模型.该吸波体的结构单元由一种环形电阻膜片在含导体底面的平面分层介质基板上多层叠加而成，各层电阻膜片的外形相同，但表面阻值不同.一件四层吸波体的仿真分析结果表明：该吸波体对6.8GHz～59.6GHz频段之间的垂直入射波吸波率均大于90%；同时对入射角为45度的TE和TM斜入射波仍能保持超宽带吸波，具有极化不敏感和宽入射角特性.另外，对不同层次吸波体的分析表明：随着电阻膜片层次的增加，其吸波效果更好，吸波频带变宽，带内吸波效果更稳定.

关键词: 吸波体, 超材料, 超宽带, 表面电阻, 电阻膜

Abstract: A novel design approach for creating an ultra-broad-band metamaterial absorber based on multilayer resistance films is provided in this paper.One unit cell of the absorber is composed of multilayer resistance films nipped between layered medium with a metal backboard.The resistance films at different layers are isomorphic,while their surface resistances are unequal.Simulated results of one four-layer absorber shown that the absorber has high absorptivity of more than 90% from 6.9 to 59.6 GHz at vertical incidence,it is polarization-insensitive and angle-wide and can keep strong absorption at TE or TM incidence when the oblique angle of incidence is 45°.In addition,the simulated results of several absorbers with different layer indicated that their absorption would be stronger along with the augment of their layers,and the absorption band is wider at the same time.

Key words: absorber, metamaterial, ultra-broad-band, surface resistance, resistance film

中图分类号:

TN011

林宝勤, 魏伟, 达新宇, 等. 一种基于多层电阻膜的超宽带超材料吸波体[J]. 电子学报, 2014, 42(3): 607-610.

LIN Bao-qin, WEI Wei, DA Xin-yu, et al. A Novel Ultra-Broad-Band Metamaterial Absorber Based on Multilayer Resistance Films[J]. Acta Electronica Sinica, 2014, 42(3): 607-610.

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一种基于多层电阻膜的超宽带超材料吸波体

A Novel Ultra-Broad-Band Metamaterial Absorber Based on Multilayer Resistance Films

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