All authors thank the National Engineering Laboratory for Fiber Optic Sensing Technology for offering the experimental equipment.This work was supported by the National Natural Science Foundation of China(Grant No.61290311);Hubei Key Laboratory of Radiation Chemistry and Functional Materials(Grant No.2019-20KZ08);State Key Laboratory of Advanced Technology for Materials Synthesis and Processing(Grant No.2019-KF-ll).
Fiber Bragg grating(FBG)array,consisting of a number of sensing units in a single optical fiber,can be practically applied in quasi-distributed sensing networks.Serious signal crosstalk occurring between large-serial ...
This work is supported by the Major Program of the National Natural Science Foundation of China (Grant No. 61290311).
A novel distributed weak fiber Bragg gratings (FBGs) vibration sensing system has been designed to overcome the disadvantages of the conventional methods for optical fiber sensing networking, which are: low signal ...
Acknowledgment This work was partly supported by the Major Program of the National Natural Science Foundation of China (Grant No. 61290311), the Fundamental Research Funds for the Central Universities (Grant No. 2015Ⅲ056), and Key Consulting Project of Chinese Academy of Engineering (Grant No. 2016-XZ-13).
A distributed fiber optic interferometric geophone array based on draw tower grating (DTG) array is proposed. The DTG geophone array is made by the DTG array fabricated based on a near-contact exposure through a pha...
Acknowledgment This research was supported by the Natural National Science Foundation of China, NSFC (Grant No. 61575149, 61290311), and the Major Project of Hubei Technological Innovation Special Fund (2016AAA008).
An optical multi-component gas detection system based on the conjugated interferometer (CI) is proposed and experimentally demonstrated. It can realize the concentration detection of mixture gas in the environment. ...