Intensity based surface plasmon resonance sensor using a nanohole rectangular array

被引：65
作者：
Blanchard-Dionne, A-P. [1 ]
Guyot, L. [1 ]
Patskovsky, S. [1 ]
Gordon, R. [2 ]
Meunier, M. [1 ]
机构：
[1] Ecole Polytech, Dept Engn Phys, Laser Proc & Plasmon Lab, Succ Ctr Ville, Montreal, PQ H3C 3A7, Canada
[2] Univ Victoria, Dept Elect & Comp Engn, Victoria, BC V8W 3P6, Canada
来源：
OPTICS EXPRESS | 2011年 / 19卷 / 16期
基金：
加拿大自然科学与工程研究理事会;
关键词：
SUBWAVELENGTH HOLE ARRAYS; OPTICAL-TRANSMISSION; SENSITIVITY; FILMS;
D O I：
10.1364/OE.19.015041
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We show high resolution measurements of a surface plasmon resonance (SPR) sensor based on a rectangular nanohole array in a metal film. This SPR setup uses balanced intensity detection between two orthogonal polarizations of a He-Ne laser beam, which allows for sensitivity improvement, noise reduction and rejection of any uncorrelated variation in the intensity signal. A bulk sensitivity resolution of 6.4x10(-6) RIU is demonstrated. The proposed methodology is promising for applications in portable nanoplasmonic multisensing and imaging. (C) 2011 Optical Society of America
引用
收藏
页码：15041 / 15046
页数：6
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