Type

Journal Article

Authors

Gerald Farrell
Yuliya Semenova
Andreas Schwarzbacher
Qiang wu
Muhammad Hatta

Subjects

Physics

Topics
optical sensing singlemode multimode singlemode fiber fiber bragg grating fbg fbg sensor electrical and computer engineering fiber bragg grating sensors dynamic strain sms fiber

Use of a Single-Multiple-Single-Mode Fiber Filter for Interrogating Fiber Bragg Grating Strain Sensors with Dynamic Temperature Compensation (2009)

Abstract An interrogation technique for fiber Bragg grating (FBG) strain sensors with dynamic temperature compensation using a single-multiple-single-mode (SMS) fiber filter as a temperature compensating element is presented. Experimental results show that this technique offers a resolution of better than 3:4 με for strain measurements in the range from 0 to 1667 με, and the temperature induced error is as low as 34 με in the temperature range from 10 to 60 °C. The temperature induced error could be further reduced if the temperature sensitivity (the rate of temperature induced wavelength shift) of the SMS filter was closer to that of the FBG sensor. This can be achieved by selecting a multimode fiber for the SMS filter with appropriate parameters. The proposed technique can be modified for simultaneous measurements of strain and temperature with an experimentally achieved resolution of better than 1 °C. © 2009 Optical Society of America Applied Optics, Vol.48, no. 29, p.5451
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Full list of authors on original publication

Gerald Farrell, Yuliya Semenova, Andreas Schwarzbacher, Qiang wu, Muhammad Hatta

Experts in our system

1
Gerald Farrell
TU Dublin
Total Publications: 212
 
2
Yuliya Semenova
TU Dublin
Total Publications: 136
 
3
Andreas Schwarzbacher
TU Dublin
Total Publications: 13
 
4
Qiang wu
TU Dublin
Total Publications: 90