光学
材料科学
光纤传感器
解调
光纤布拉格光栅
光纤
重复性
温度测量
法布里-珀罗干涉仪
波长
压力测量
压力传感器
纤维
光电子学
物理
复合材料
电信
频道(广播)
气象学
计算机科学
热力学
化学
量子力学
色谱法
作者
Hui Li,Qingchao Zhao,Shaodong Jiang,Jiasheng Ni,Chang Wang
出处
期刊:Chinese Optics Letters
[Shanghai Institute of Optics and Fine Mechanics]
日期:2019-01-01
卷期号:17 (4): 040603-040603
被引量:10
标识
DOI:10.3788/col201917.040603
摘要
A fiber Bragg grating (FBG) and Fabry–Perot (FP) cavity cascaded fiber sensing system was manufactured for temperature and pressure sensing. Temperature sensing as high as 175°C was performed by an FBG for the linear variation of an FBG wavelength with temperature. After the temperature was sensed, the demodulation system can find the original FP cavity length and its pressure and cavity length correlation coefficient; thus, the ambient pressure would be calculated. The sensing pressure can be as high as 100 MPa with a repeatability of 1/10,000 and high stability. This kind of fiber sensor has been used in the Shengli Oil Field.
科研通智能强力驱动
Strongly Powered by AbleSci AI