Fiber optic pressure and temperature sensor for down-hole applications
Fiber optic pressure and temperature sensor for down-hole applications
复制标题
适用于井下应用的光纤压力和温度传感器
DOI：
10.1117/12.45997
复制
发表时间：
1991
期刊：
影响因子：
--
通讯作者：
J. Pouleau
中科院分区：
文献类型：
--
作者：
M. Lequime;C. Lecot;P. Jouve;J. Pouleau
本发明描述了一种适于永久监测油井威尔斯的光纤传感器，其提供了井下环境中压力和温度的同时确定。该传感器包括两个干涉传感器在一个串行配置（法布里-珀罗型的压力，包括一个可变形的膜，和双折射型的温度），并使用光谱调制编码技术，以恢复在大距离的信息没有串扰和完美的引线不敏感。
A fiber optic sensor adapted to the permanent monitoring of oil wells is described, providing a simultaneous determination of pressure and temperature in a down-hole environment. This sensor includes two interferometric transducers in a serial configuration (Fabry-Perot type for the pressure, including a deformable membrane, and birefringent type for the temperature) and uses spectral modulation encoding techniques to recover at large distances both information without cross-talk and with a perfect down-lead insensitivity.