Type

Journal Article

Authors

Gerald Farrell
Pengfei Wang
An Sun
Yuliya Semenova
Qiang wu

Subjects

Engineering

Topics
edge filter strain measurement high temperature high resolution fbg sensor fbg ratiometric system electrical and computer engineering

High Resolution Temperature Insensitive Interrogation Technique for FBG Sensors (2009)

Abstract In this letter, we propose a high resolution temperature insensitive interrogation technique for FBG sensors where one FBG acts as an edge filter to interrogate a separate FBG sensor. A high resolution of better than 5 με in strain measurement range from 0 to 1100 με and the best resolution of better than 1 με were verified by experiments. An error of only ±2.2 με is achieved over a temperature range from 15 to 50 °C, indicating that this strain interrogation technique is temperature insensitive. Using an altered system configuration, the temperature was also measured simultaneously with a resolution better than 0.2 °C.
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Full list of authors on original publication

Gerald Farrell, Pengfei Wang, An Sun, Yuliya Semenova, Qiang wu

Experts in our system

1
Gerald Farrell
TU Dublin
Total Publications: 212
 
2
Pengfei Wang
University of Limerick
Total Publications: 114
 
3
Yuliya Semenova
TU Dublin
Total Publications: 136
 
4
Qiang wu
TU Dublin
Total Publications: 90