Multiplexing of fibre optic reflective sensors using Bragg gratings

被引：3
|
作者：
Bal, H. K. [1 ]
Sidiroglou, F. [1 ]
Collins, S. F. [1 ]
Brodzeli, Z. [1 ]
机构：
[1] Victoria Univ, Opt Technol Res Lab, Ctr Telecommun & Microelect, Melbourne, Vic 8001, Australia
来源：
MEASUREMENT SCIENCE AND TECHNOLOGY | 2010年 / 21卷 / 09期
基金：
澳大利亚研究理事会;
关键词：
reflective sensor; refractive index sensor; fibre Bragg grating (FBG); multipoint sensing;
D O I：
10.1088/0957-0233/21/9/094011
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A multiplexing method for a fibre optic refractive index sensor is presented that is potentially capable of simultaneous measurement from many sensor heads, each of which is a cleaved fibre end. Associated with each sensor head are two fibre couplers and an optical fibre Bragg grating having a unique Bragg wavelength. Experimental characterization of the sensor network through the use of liquids with different refractive indices showed excellent agreement with numerical analysis and a precision of 0.002 RIU and resolution of the order of 10(-3) RIU.
引用
收藏
页数：4
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