A fiber-optic microbending temperature sensor

被引：2
|
作者：
Denisov, IV [1 ]
Sedov, VA [1 ]
Rybal'chenko, NA [1 ]
机构：
[1] Nevelskii State Marine Univ, Vladivostok 690059, Russia
来源：
INSTRUMENTS AND EXPERIMENTAL TECHNIQUES | 2005年 / 48卷 / 05期
关键词：
Alcohol; Reflection; Physical Chemistry; Output Signal; Temperature Sensor;
D O I：
10.1007/s10786-005-0123-x
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A fiber-optic amplitude sensor based on the effect of microbending-caused upsetting of total internal reflection and intended for temperature monitoring is described. A measuring- system prototype was developed for investigating the sensor characteristics. The measured sensor characteristics show that a sensor with alcohol as the working fluid has a maximum sensitivity of 1.9 X 10(-2)degrees C-1. The range of linear variation of its normalized optical output signal was 0.829. The temperature range was 42.5 degrees C, the maximum temperature being 74.5 degrees C. It is shown that several sensors of this type can be integrated in fiber-optic lines to be used in distributed fiber-optic measuring networks.
引用
收藏
页码：683 / 685
页数：3
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