Surface-Plasmon-Resonance Sensor Based on H-shaped Optical Fibre

被引：1
|
作者：
Viegas, Diana [1 ,2 ]
Hautakorpi, Markus [3 ]
Guerreiro, Ariel [1 ,2 ]
Santos, Jose Luis [1 ,2 ]
Ludvigsen, Hanne [3 ]
机构：
[1] Univ Porto, Fac Sci, Dept Phys, Rua Campo Alegre 687, P-4169007 Oporto, Portugal
[2] INESC porto, P-4200465 Porto, Portugal
[3] Aalto Univ, Dept Micro & Nanosci, Fiber Opt Grp, FI-00076 Aalto, Finland
来源：
FOURTH EUROPEAN WORKSHOP ON OPTICAL FIBRE SENSORS | 2010年 / 7653卷
关键词：
Surface plasmon resonance; transfer matrix method; modal analysis; finite element method;
D O I：
10.1117/12.866421
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：
We propose and theoretically study a novel surface-plasmon-resonance sensor based on an H-shaped, elliptical-core optical fibre. The two grooves of the H-fibre are coated with a thin, uniform metal layer that in turn is covered with a high-index dielectric layer to allow broad spectral tunability. The sensor maintains linear polarization and facilitates effortless splicing. Electromagnetic mode analysis indicates a sensitivity of 1800 nm/RIU (refractive-index unit) for aqueous analytes.
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页数：4
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