Comprehensive numerical analysis of a surface-plasmon-resonance sensor based on an H-shaped optical fiber

被引：57

作者：

Erdmanis, Mikhail ^{[1
]}

Viegas, Diana ^{[2
,3
]}

Hautakorpi, Markus ^{[1
]}

Novotny, Steffen ^{[1
]}

Santos, Jose Luis ^{[2
,3
]}

Ludvigsen, Hanne ^{[1
]}

机构：

[1] Aalto Univ, Dept Micro & Nanosci, Fiber Opt Grp, FI-00076 Aalto, Finland

[2] Univ Porto, Fac Sci, Dept Phys, P-4169007 Oporto, Portugal

[3] INESC Porto, P-4200465 Oporto, Portugal

来源：

OPTICS EXPRESS | 2011年 / 19卷 / 15期

基金：

芬兰科学院;

关键词：

EXCITATION; LAYER;

D O I：

10.1364/OE.19.013980

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We present and numerically characterize a surface-plasmon-resonance sensor based on an H-shaped optical fiber. In our design, the two U-shaped grooves of the H-fiber are first coated with a thin gold layer and then covered by a uniform titanium dioxide layer to facilitate spectral tuning of the device. A finite element method analysis of the sensor indicates that a refractive-index resolution of up to 5.10(3) nm/RIU can be obtained. (C) 2011 Optical Society of America

引用

页码：13980 / 13988

页数：9

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