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

页码：440 / 449

页数：10

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