Nonresonant Metamaterials with an Ultra-High Permittivity
HE Xiao-Yang1,2, CHEN Qi2, LI Lin-Cui2, YANG Chun2**, LI Biao2, ZHOU Bang-Hua2, TANG Chuan-Xiang1
1Department of Engineering Physics, Tsinghua University, Beijing 100084 2Institute of Electronic Engineering, China Academy of Engineering Physics, Mianyang 621900
Nonresonant Metamaterials with an Ultra-High Permittivity
HE Xiao-Yang1,2, CHEN Qi2, LI Lin-Cui2, YANG Chun2**, LI Biao2, ZHOU Bang-Hua2, TANG Chuan-Xiang1
1Department of Engineering Physics, Tsinghua University, Beijing 100084 2Institute of Electronic Engineering, China Academy of Engineering Physics, Mianyang 621900
摘要A nonresonant structure composed of metal cut-wires for realization of metamaterials is proposed. This kind of metamaterial works at an ultra broad bandwidth with uniform permittivity. Theoretical analysis and numerical simulations are carried out to study this inclusion and expression for the effective permittivity is given. Several methods are studied to enhance the permittivity and a nonresonant metamaterial with an ultra-high permittivity is obtained. A demonstration shows that the permittivity of this metamaterial can be as high as 145.
Abstract：A nonresonant structure composed of metal cut-wires for realization of metamaterials is proposed. This kind of metamaterial works at an ultra broad bandwidth with uniform permittivity. Theoretical analysis and numerical simulations are carried out to study this inclusion and expression for the effective permittivity is given. Several methods are studied to enhance the permittivity and a nonresonant metamaterial with an ultra-high permittivity is obtained. A demonstration shows that the permittivity of this metamaterial can be as high as 145.
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2011, Vol. 28 
