光纤应变传感器具有高灵敏度和可调节的灵敏度.
Shiwei Yang1, Qiang Zhang1,2, Xiaobo Li1
1State Key Laboratory of Quantum Optics and Quantum Optics Devices, Institute of Opto-Electronics, Shanxi University, Taiyuan 030006, China.
The Review of scientific instruments
|November 8, 2023
概括
这项研究介绍了一种新的光纤应变传感器,实现了前所未有的灵敏度. 可调节的法布里-佩罗干扰仪为精确的应变测量提供了经济高效且强大的解决方案.
科学领域:
- 光子学和光学传感器
- 材料科学与工程 材料科学与工程
- 机械工程 机械工程
背景情况:
- 光纤传感器在恶劣环境中提供优势.
- 现有的光纤应变传感器在灵敏度和可调性方面存在局限性.
- 费布里-佩罗特干扰仪适用于传感应用.
研究的目的:
- 开发一款具有显著增强和可调节灵敏度的光纤应变传感器.
- 在Fabry-Perot干扰仪中探索拉伸长度和应变灵敏度之间的关系.
- 为了展示一个具有成本效益的,坚固的,可重复的传感器设计.
主要方法:
- 构建一个具有可调节拉伸长度的法布里-佩罗干扰仪.
- 优化拉伸长度与干扰长度的比例.
- 实验测量不同拉伸长度的应变灵敏度.
主要成果:
- 达到1932 pm/με的最大应变灵敏度,比以前的传感器高出一个数量级.
- 从1932年到978分钟/με通过调整拉伸长度 (12毫米到6毫米) 来证明可调节的灵敏度.
- 传感器的设计是经济的,简单的,坚固的和可重复的.
结论:
- 拟议的可调节的法布里-佩罗特干扰仪光纤应变传感器提供了卓越的性能.
- 该设备的高和可调节的灵敏度使其成为实际应变监测应用的前景.
- 这一进步为高性能光学传感领域做出了贡献.
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