基于不同温度系数的应变和温度传感 fs-FBG 阵列用于智能浮力材料
Meng Tian1,2, Minggan Lou1,2, Wei Zhang3
1State Key Laboratory of Transducer Technology, Institute of Semiconductors, Chinese Academy of Sciences, Beijing 100083, China.
Sensors (Basel, Switzerland)
|May 11, 2024
概括
这项研究引入了一种新的纤维布拉格格 (FBG) 传感器阵列,用于监测浮力材料. 这种先进的传感器系统可以在材料准备和成型后准确地实时跟踪温度和应变.
科学领域:
- 材料科学 材料科学 材料科学
- 传感技术 传感技术
- 光纤传感器 光纤传感器
背景情况:
- 监测浮力材料的温度和应变对于机械性能控制和操作安全至关重要.
- 现有的方法可能缺乏复杂材料制备过程所需的分辨率或现场能力.
研究的目的:
- 开发和演示一个高密度的femtosecond纤维布拉格格 (fs-FBG) 阵列,用于现场监测浮力材料.
- 在材料固化和后成型过程中实现高空间分辨率和温度和应变测量的精度.
主要方法:
- 使用优化 femtosecond 激光写字技术在不同温度系数的纤维上制造 fs-FBG 阵列.
- 将fs-FBG阵列集成到浮力材料中进行实时监控.
- 优化激光写作参数,以毫米级隔离长度和空间分辨率.
主要成果:
- 成功准备了具有毫米级空间分辨率的高性能fs-FBG阵列.
- 现场在线监测固过程和浮力材料的成型后状态.
- 实现了0.56°C的温度监测精度和亚毫米的变形精度 (微米级误差).
结论:
- 开发的fs-FBG阵列传感器提供了强大的反声性能和毫米级空间分辨率,用于在线监控.
- 配备这些传感器的智能浮力材料可以在恶劣的水下环境中提供实时健康状况反.
- 这项技术对深海勘探和监测应用具有重大潜力.
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