Bragg grating in polymer optical fibre for strain, bend and temperature sensing

Chen, Xianfeng F.; Zhang, Chi; Webb, David J.; Peng, Gang-Ding and Kalli, Kyriacos (2010). Bragg grating in polymer optical fibre for strain, bend and temperature sensing. Measurement Science and Technology, 21 (9),

Abstract

We report on a Bragg grating written in an eccentric-cored polymer optical fibre for measurement of strain, bend and temperature. The strain sensitivity achieves 1.13 pm µe -1. The temperature response shows a negative sign with the thermal sensitivity of -50.1 pm ?C-1. For bend sensing, this device exhibits a strong fibre orientational dependence, wide bend curvature range of ±22.7 m-1 and a high bend sensitivity of 63.3 pm/m-1.

Publication DOI: 10.1088/0957-0233/21/9/094005
Divisions: Engineering & Applied Sciences > Electrical, electronic & power engineering
Engineering & Applied Sciences
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Uncontrolled Keywords: Bragg grating,polymer optical fibre,sensor,strain,bend,temperature,Applied Mathematics,Instrumentation
Published Date: 2010-07

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