Title :
Highly Sensitive Bend Sensor Based on Bragg Grating in Eccentric Core Polymer Fiber
Author :
Chen, Xianfeng ; Zhang, Chi ; Webb, David J. ; Kalli, Kyriacos ; Peng, Gang-Ding
Author_Institution :
Sch. of Eng. & Appl. Sci., Aston Univ., Birmingham, UK
fDate :
6/1/2010 12:00:00 AM
Abstract :
We report on an optical bend sensor based on a Bragg grating inscribed in an eccentric core polymer optical fiber. The device exhibits the strong fiber orientation dependence, the wide bend curvature range of ±22.7 m-1, and high bend sensitivity of 63 pm/m-1.
Keywords :
Bragg gratings; bending; curvature measurement; fibre optic sensors; optical polymers; Bragg grating; eccentric core polymer fiber; eccentric core polymer optical fiber; highly sensitive bend sensor; optical bend sensor; Bend sensor; Bragg grating; polymer optical fiber (POF);
Journal_Title :
Photonics Technology Letters, IEEE
DOI :
10.1109/LPT.2010.2046482