Fiber-optic sensor system for simultaneous measurement of different environmental parameters

被引：1

作者：

Men, Liqiu ^{[1
]}

Lu, Ping ^{[2
]}

Chen, Qiying ^{[2
]}

机构：

[1] Mem Univ Newfoundland, CREAIT Network, St John, NF A1C 5S7, Canada

[2] Mem Univ Newfoundland, Dept Phys & Phys Oceanography, St John, NF A1B 3X7, Canada

来源：

ADVANCED ENVIRONMENTAL, CHEMICAL, AND BIOLOGICAL SENSING TECHNOLOGIES VII | 2010年 / 7673卷

基金：

加拿大自然科学与工程研究理事会; 加拿大创新基金会;

关键词：

fiber optics; Bragg grating; sensor; salinity; saccharinity; temperature; REFRACTIVE-INDEX; ENHANCED SENSITIVITY; BRAGG; TEMPERATURE; GRATINGS; SALINITY; STRAIN;

D O I：

10.1117/12.850554

中图分类号：

TP7 [遥感技术];

学科分类号：

081102 ; 0816 ; 081602 ; 083002 ; 1404 ;

摘要：

We report simultaneous salinity/saccharinity and temperature measurement with a fiber Bragg grating (FBG)-based sensor system. By adopting multiplexing technique, the sensor system consists of two FBG sensing elements in which one FBG is sensitive to salinity/saccharinity while the other one sensitive to temperature only. Experiments indicated that the salinity, saccharinity, and temperature sensitivities of the polyimide-coated grating were 0.0165 nm/M (blueshift), 0.0012 nm/Bx (blueshift), and 0.0094 nm/C (redshift), respectively. The temperature sensitivity of the acrylate-coated FBG was 0.0102 nm/C (redshift).

引用

页数：6

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