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Title: Highly stretchable hybrid silica/polymer optical fiber sensors for large-strain and high-temperature application
Authors: Liu, Y
Yu, CY 
Issue Date: 2019
Publisher: Optical Society of America
Source: Optics express, 22 July 2019, v. 27, no. 15, p. 20107-20116 How to cite?
Journal: Optics express 
Abstract: The large-range and high-sensitivity strain measurement in high-temperature ambiance is a great challenge in engineering applications. Because of the frangibility of the glass material, the traditional optical fiber strain sensors cannot endure a limit strain of 1%. To break through the limit, we propose a hybrid silica/polymer optical fiber sensor. It can endure extraordinarily large strain. The maximum strain of 35% is confirmed by experiments. To achieve high sensitivity and detect a small change in strain, a phase tracking method is used. The sensitivity of the sensor is 28 pm/mu epsilon which is 28 times larger than that of the traditional FBG sensors. In addition, because of the excellent high-temperature endurance of polyimide (PI) and adhesive, the sensor can survive in the high temperature up to 220 degrees C. The proposed hybrid silica/polymer optical fiber sensor has potentials to monitor deformation in plastic products, structure health in composite materials, and even strain in biomaterials.
EISSN: 1094-4087
DOI: 10.1364/OE.27.020107
Rights: © 2019 Optical Society of America under the terms of the OSA Open Access Publishing Agreement (
Journal © 2019
The following publication L. Yi and Y. Changyuan, "Highly stretchable hybrid silica/polymer optical fiber sensors for large-strain and high-temperature application," Opt. Express 27, 20107-20116 (2019) is available at
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