Terahertz Biosensor with Polarization-Insensitive Properties Based on Metal Metasurface

被引：0
|
作者：
Liang, Yanyan [1 ]
Mo, Hang [1 ]
Ma, Mengshi [1 ]
Zheng, Shuquan [1 ]
Lv, You [1 ]
Zhao, Qixiang [1 ]
机构：
[1] Guilin Univ Elect Technol, Guilin 541004, Peoples R China
来源：
2022 INTERNATIONAL CONFERENCE ON MICROWAVE AND MILLIMETER WAVE TECHNOLOGY (ICMMT) | 2022年
基金：
中国国家自然科学基金;
关键词：
SENSOR;
D O I：
10.1109/ICMMT55580.2022.10023056
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
This paper presents a terahertz biosensor with polarization-insensitive properties based on metal metasurface. The biosensor is a five-layer structure with a resonant structure consisting of four open resonant rings in a symmetric structure, which enhances the contact of electromagnetic waves with the analyte through a reflective layer. Simulation results show that the biosensor produces 99.9% absorption peaks in the range of 0.4-0.9 THz with a sensitivity of 0.225 THz/RIU. The designed structure with polarization-insensitive characteristics has potential applications in the field of nondestructive, rapid and label-free detection.
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页数：3
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