Dual-Mode Annular Spoof Surface Plasmon Polariton based THz Compact Bio-Sensors with Increased Sensitivity and Bandwidth

被引：2
|
作者：
Sarkar, Anirban [1 ]
Ul Banna, G. M. Hasan [2 ,3 ]
Unluturk, Bige [2 ,3 ]
Li, Wen [2 ,3 ]
机构：
[1] Indian Inst Technol Mandi, Sch Comp & Elect Engn, Mandi 175005, Himachal Prades, India
[2] Michigan State Univ, Elect & Comp Engn, 428 S Shaw Ln, E Lansing, MI 48824 USA
[3] Michigan State Univ, Biomed Engn, 775 Woodlot Dr, E Lansing, MI 48824 USA
来源：
2022 IEEE SENSORS | 2022年
关键词：
Terahertz (THz) metamaterial biosensor; Spoof surface plasmon polariton (SSPP); multi-resonance; high sensitivity; resonant frequency shift; BOVINE SERUM-ALBUMIN; TERAHERTZ; METAMATERIALS; CONFORMATION; SPECTROSCOPY; RESONANCE; GROOVES; BSA;
D O I：
10.1109/SENSORS52175.2022.9967060
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：
In this paper, an annular spoof surface plasmon polariton (SSPP) based metamaterial inspired terahertz (THz) sensor has been designed. The geometry exhibits three different modes depending upon the frequency changes from 0.7-2 THz due to the variation of dielectric constant of the external biological material. The geometry has been simulated and analyzed in full-wave simulator and fabricated in the laboratory. The obtained sensitivity is 550 GHz/RIU with figure of merit 5.5. The proposed annular SSPP-based sensor geometry paves the way to possible uses in biochemical sensing applications.
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收藏
页数：4
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