Self-optimized metal coatings for fiber plasmonics by electroless deposition

被引：26

作者：

Bialiayeu, A. ^{[1
]}

Caucheteur, C. ^{[3
]}

Ahamad, N. ^{[2
]}

Ianoul, A. ^{[2
]}

Albert, J. ^{[1
]}

机构：

[1] Carleton Univ, Dept Elect, Ottawa, ON K1S 5B6, Canada

[2] Carleton Univ, Dept Chem, Ottawa, ON K1S 5B6, Canada

[3] Univ Mons, Electromagnetism & Telecom Unit, B-7000 Mons, Belgium

来源：

OPTICS EXPRESS | 2011年 / 19卷 / 20期

基金：

加拿大自然科学与工程研究理事会;

关键词：

RESONANCE; SENSORS; INTERROGATION; FILMS;

D O I：

10.1364/OE.19.018742

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We present a novel method to prepare optimized metal coatings for infrared Surface Plasmon Resonance (SPR) sensors by electroless plating. We show that Tilted Fiber Bragg grating sensors can be used to monitor in real-time the growth of gold nano-films up to 70 nm in thickness and to stop the deposition of the gold at a thickness that maximizes the SPR (near 55 nm for sensors operating in the near infrared at wavelengths around 1550 nm). The deposited films are highly uniform around the fiber circumference and in spite of some nanoscale roughness (RMS surface roughness of 5.17 nm) the underlying gratings show high quality SPR responses in water. (C) 2011 Optical Society of America

引用

页码：18742 / 18753

页数：12

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