Monochromatic excitation of surface plasmon resonance in an optical-fibre refractive-index sensor

被引：50
|
作者：
RonotTrioli, C
Trouillet, A
Veillas, C
Gagnaire, H
机构：
[1] Lab. Traitement du Sign. et Instrum., CNRS-URA 842, 42023 Saint-Etienne, 23, me du Docteur Paul Michelon
来源：
SENSORS AND ACTUATORS A-PHYSICAL | 1996年 / 54卷 / 1-3期
关键词：
optical fibres; refractive-index sensors; surface plasmon resonance;
D O I：
10.1016/S0924-4247(97)80020-9
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
A simple and inexpensive refractive-index sensor is described. The transducer is a multimode optical fibre which has been metallized with gold on the sensing area. The principle of this sensor is based on surface plasmon excitation at the metal/dielectric interface. This set-up, which uses monochromatic incident light, can work as an optical-fibre refractometer or as a refractive-index-variation optical-fibre sensor, in a range between 1.33 and 1.40. This sensor can detect a refractive-index variation around 10(-4) and can measure a refractive index with an accuracy around 2 x 10(-4).
引用
收藏
页码：589 / 593
页数：5
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