Monitoring technology of salinity in water with optical fiber sensor

被引：39
|
作者：
Zhao, Y [1 ]
Liao, YB
Zhang, B
Lai, SR
机构：
[1] Tsing Hua Univ, Dept Automat, Beijing 100084, Peoples R China
[2] Tsing Hua Univ, Dept Elect Engn, Beijing 100084, Peoples R China
来源：
JOURNAL OF LIGHTWAVE TECHNOLOGY | 2003年 / 21卷 / 05期
关键词：
optical fiber sensor; optical measurement; refractive index; salinity measurement; water quality monitoring;
D O I：
10.1109/JLT.2003.811318
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
A novel optical fiber sensor used for remote monitoring of salinity in water is proposed. Based on the detection of beam deviation due to the refractive index changes of the salt water, salinity can be measured by a position-sensitive detector. The measurement principle is theoretically described. Preliminary prototype is set up, and experimental results indicate the feasibility of the method. Salinity measurement resolution can reach 0.012parts per thousand within the measurement range from distilled water to salt water with salinity of 50parts per thousand.
引用
收藏
页码：1334 / 1338
页数：5
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