Simultaneous Measurement of Refractive Index and Temperature Using a Hybrid Fiber Bragg Grating/Long-Period Fiber Grating Configuration

被引：32
|
作者：
Jesus, C. [1 ,2 ]
Caldas, P. [1 ,3 ]
Frazao, O. [1 ,4 ]
Santos, J. L. [1 ,4 ]
Jorge, P. A. S. [1 ]
Baptista, J. M. [1 ,2 ]
机构：
[1] INESC Porto, P-4169007 Oporto, Portugal
[2] Univ Madeira, Dept Matemat & Engn, Funchal, Portugal
[3] Escola Super Tecnol & Gestao, Viana Do Castelo, Portugal
[4] Univ Porto, Fac Ciencias, P-4100 Oporto, Portugal
来源：
FIBER AND INTEGRATED OPTICS | 2009年 / 28卷 / 06期
关键词：
fiber-optic sensors; gratings; refractive index; temperature; measurement; SALINITY; SENSOR; WATER;
D O I：
10.1080/01468030903290039
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A fiber optic sensing system for simultaneous measurement of refractive index and temperature, based on a hybrid fiber Bragg grating/long-period grating arrangement is described. The experimental results show that this setup has a good performance in terms of linearity and sensitivity, the ratiometric output changes 4%/0.001 RIU and 3.6%/degrees C, respectively. The sensor resolution for the refractive index is approximate to 2 x 10(-5) RIU. The simultaneous measurement of the refractive index and temperature was demonstrated. The sensing configuration has the ability to be read-out in reflection and works in the telecommunications window.
引用
收藏
页码：440 / 449
页数：10
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