Terahertz Metamaterial Sensor Based on Electromagnetically Induced Transparency Effect

被引：0
|
作者：
Shao-Xian Li [1 ]
Hong-Wei Zhao [2 ]
Jia-Guang Han [1 ]
机构：
[1] Center for Terahertz wave,Key laboratory of Opto-electronic Information Science and Technology,Ministry of Education,College of Precision Instrument and Optoelectronics Engineering,Tianjin University
[2] Key Laboratory of Interfacial Physics and Technology,Shanghai Institute of Applied Physics,Chinese Academy of Sciences
来源：
Journal of Electronic Science and Technology | 2015年 / 02期
关键词：
Chemical and biological sensors; metamaterials; mode coupling; terahertz;
D O I：
暂无
中图分类号：
TP212 [发送器（变换器）、传感器];
学科分类号：
080202 ;
摘要：
A terahertz metamaterial sensor adopting the metamaterial-based electromagnetically induced transparency(EIT) effect is presented for determining the 1,4-dioxane concentration in its aqueous solution. The metamaterial sensor, which consists of an EIT element unit with a cut-wire metallic resonator and two split-ring metallic resonators fabricated on a 490-μm thick silicon substrate, operates in a transmission geometry. The EIT peak was red-shifted and decreased with the increase of the water volume. A maximum redshift about 54 GHz of the EIT peak was detected between the 1,4-dioxane and water. The presented linear behavior and high sensitivity of the EIT peak depending on the water concentration pave a novel avenue for sensor applications.
引用
收藏
页码：117 / 121
页数：5
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