Highly stretchable hybrid silica/polymer optical fiber sensors for large-strain and high-temperature application
Highly stretchable hybrid silica/polymer optical fiber sensors for large-strain and high-temperature application
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DOI：
10.1364/oe.27.020107
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发表时间：
2019-07-22
期刊：
影响因子：
3.8
通讯作者：
Yu Changyuan
中科院分区：
文献类型：
--
作者：
Liu Yi;Yu Changyuan
高温环境下大范围、高灵敏度的应变测量是工程应用中的一大挑战。由于玻璃材料的易碎性，传统的光纤应变传感器不能承受1%的极限应变。为了突破这一限制，我们提出了一种混合二氧化硅/聚合物光纤传感器。它可以承受非常大的压力。通过实验确定了最大应变为35%。为了实现高灵敏度并检测应变的微小变化，使用相位跟踪方法。该传感器的灵敏度为28 pm/μ m，是传统FBG传感器的28倍。此外，由于聚酰亚胺（PI）和粘合剂具有优异的耐高温性，传感器可以在高达220摄氏度的高温下生存。所提出的混合二氧化硅/聚合物光纤传感器具有监测塑料制品中的变形、复合材料中的结构健康、甚至生物材料中的应变的潜力。(C)根据OSA开放获取出版协议的条款，2019年美国光学学会
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. (C) 2019 Optical Society of America under the terms of the OSA Open Access Publishing Agreement