华中科技大学学报（自然科学版）2018，Vol.46Issue(1)：81-86,6.DOI:10.13245/j.hust.180116
基于集总电阻的超宽频带超材料吸波体设计
Design of ultra-broadband metamaterial absorber based on lumped resistors
摘要
Abstract
An ultrabroadband metamaterial absorber (MA) based on lumped resistors was designed,which was validated by simulation and experiment.According to the effective media theory,the equivalent electromagnetic (EM) parameters of the MA loaded with lumped resistors were calculated by the S parameters retrieved method.Results indicate that the ultrabroadband and stronger absorption of the composite MA are mainly originates from the excellent impedance match,electric and magnetic resonances.Further simulated results show that the composite MA is polarization insensitive and wide angle.Finally,the absorbance is greater than 85％ the experimental measurement,and the relative bandwidth is about 130.2％.The designed ultrabroadband composite MA has potential applications in electromagnetic energy harvesting and stealth area.关键词
集总电阻/双开缝环谐振器/超材料/吸波体/超宽频带Key words
lumped resistor/double-split-ring resonator/metamaterial/absorber/ultra-broadband分类
信息技术与安全科学引用本文复制引用
程用志,陈岱付,程佳露,熊郧安..基于集总电阻的超宽频带超材料吸波体设计[J].华中科技大学学报（自然科学版）,2018,46(1):81-86,6.基金项目
国家自然科学基金资助项目(61605147) （61605147）
湖北省自然科学基金资助项目(2017CFB588) （2017CFB588）
武汉科技大学青年科技骨干培育计划资助项目(2016xz0109) （2016xz0109）
武汉科技大学大学生科技创新基金资助项目(16ZRA125). （16ZRA125）
