Plasmonic Sensor Based on Dielectric Nanoprisms

被引：13
作者：
Elshorbagy, Mahmoud H. [1 ,2 ]
Cuadrado, Alexander [1 ]
Alda, Javier [1 ]
机构：
[1] Univ Complutense Madrid, Fac Opt & Optometry, Opt Dept, Av Arcos de Jalon 118, Madrid 28037, Spain
[2] Menia Univ, Fac Sci, Phys Dept, Univ Campus, El Minya 61519, Egypt
来源：
NANOSCALE RESEARCH LETTERS | 2017年 / 12卷
关键词：
Optical sensor; Nano-prism; Guiding light; Plasmonic sensor; Biosensor; RESONANCE SENSOR; SURFACE; NANOPARTICLES; EXCITATION; FUTURE; DESIGN;
D O I：
10.1186/s11671-017-2347-7
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
A periodic array of extruded nanoprisms is proposed to generate surface plasmon resonances for sensing applications. Nanoprisms guide and funnel light towards the metal-dielectric interface where the dielectric acts as the medium under test. The system works under normal incidence conditions and is spectrally interrogated. The performance is better than the classical Kretschmann configurations, and the values of sensitivity and figure of merit are competitive with other plasmonic sensor technologies. The geometry and the choice of materials have been made taking into account applicable fabrication constraints.
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页数：7
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