Hypersensitivity and Applications of Cladding Modes of Optical Fibers Coated with Nanoscale Metal Layers

被引：8

作者：

Albert, Jacques ^{[1
]}

Liu, Fu ^{[1
]}

Marquez-Cruz, Violeta ^{[1
]}

机构：

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

来源：

SENSORS | 2018年 / 18卷 / 05期

基金：

加拿大自然科学与工程研究理事会;

关键词：

fiber gratings; optical fiber sensors; surface plasmons; metal nanoparticles; GOLD NANOPARTICLES; EFFECTIVE PERMITTIVITY; REFRACTIVE-INDEX; WAVE-GUIDES; GRATINGS; COATINGS; LIMITS; FILMS;

D O I：

10.3390/s18051518

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

Theoretical and experimental results are presented to show that the complex effective index of the modes of optical fibers coated with non-uniform metal coatings of gold, silver, copper, or palladium, with thicknesses between 0 and 20 nm, acquire a greatly enhanced sensitivity to various forms of perturbations. Thickness changes of less than 1 nm can be measured as well as the binding of record low concentrations of chemical and biochemical species.

引用

页数：13

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