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Highly Sensitive Bend Sensor Based on Bragg Grating in Eccentric Core Polymer Fiber

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5 Author(s)
Xianfeng Chen ; Sch. of Eng. & Appl. Sci., Aston Univ., Birmingham, UK ; Chi Zhang ; Webb, D.J. ; Kalli, K.
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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.

Published in:

Photonics Technology Letters, IEEE  (Volume:22 ,  Issue: 11 )