The Study of the Dual-wavelength Fiber-optic Temperature Sensor

被引：1
|
作者：
Lei Xiaomei [1 ]
机构：
[1] AF Engn Univ, Coll Sci, Xian 710051, Shaanxi Provinc, Peoples R China
来源：
MEASURING TECHNOLOGY AND MECHATRONICS AUTOMATION IV, PTS 1 AND 2 | 2012年 / 128-129卷
关键词：
fiber-optic temperature sensor; dual-wavelength compensation system; reference light source;
D O I：
10.4028/www.scientific.net/AMM.128-129.741
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
A new dual-wavelength optic-fiber temperature sensor is introduced in this paper. Transmitted probe of this sensor system is designed. LED IR880 and LED IR940 which peak wavelength is 880nm and 950nm are used as the survey light source and the reference light source of the sensor system. So the infection from the changes of the optical fiber transmission loss, the temperature effect of the temperature probe and the optical detector excursion of the sensor can be eliminated. The accuracy and stability of the temperature sensor can be improved and the cost of temperature sensor can be reduced.
引用
收藏
页码：741 / 744
页数：4
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