MONOCHROMATIC EXCITATION OF SURFACE-PLASMON RESONANCE IN AN OPTICAL-FIBER REFRACTIVE-INDEX SENSOR

Authors
RONOTTRIOLI C TROUILLET A VEILLAS C GAGNAIRE H
Citation
C. Ronottrioli et al., MONOCHROMATIC EXCITATION OF SURFACE-PLASMON RESONANCE IN AN OPTICAL-FIBER REFRACTIVE-INDEX SENSOR, Sensors and actuators. A, Physical, 54(1-3), 1996, pp. 589-593
Citations number
9
Categorie Soggetti
Engineering, Eletrical & Electronic","Instument & Instrumentation
Journal title
Sensors and actuators. A, Physical → ACNP
ISSN journal
09244247
Volume
54
Issue
1-3
Year of publication
1996
Pages
589 - 593
Database
ISI
SICI code
0924-4247(1996)54:1-3<589:MEOSRI>2.0.ZU;2-W
Abstract
A simple and inexpensive refractive-index sensor is described. The tra nsducer is a multimode optical fibre which has been metallized with go ld on the sensing area. The principle of this sensor is based on surfa ce 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).