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Design, Instrumentation and Usage Protocols for Distributed In Situ Thermal Hot Spots Monitoring in Electric Coils using FBG Sensor Multiplexing
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FBG审讯员使用分散波导芯片和CMOS摄像头.

Zhenming Ding1,2, Qing Chang3, Zeyu Deng1

  • 1Laboratory of Photonic Integration, School of Engineering, Westlake University, 18 Shilongshan Road, Hangzhou 310024, China.

Micromachines
|October 26, 2024
PubMed
概括
此摘要是机器生成的。

一种新的,具有成本效益的方法使用波导光谱镜头 (WSL) 和CMOS摄像头来询问纤维布拉格格 (FBG) 温度传感器. 这种方法为复杂而昂贵的FBG审讯系统提供了切实可行的替代方案.

关键词:
联邦调查局的审讯员.纤维布拉格格子 格子 格子集成光学 集成光学波导光谱镜头的光谱镜头.

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科学领域:

  • 光学传感传感器是什么?
  • 光子学 是一个光子学.
  • 传感器技术 传感器技术

背景情况:

  • 纤维布拉格网格 (FBGs) 与电子传感器相比具有优势,包括电磁干扰免疫力和适合恶劣环境的适用性.
  • 目前的FBG审讯系统往往复杂且昂贵,阻碍了广泛采用.
  • 开发具有成本效益和实用的询问方法对于推进FBG传感器技术至关重要.

研究的目的:

  • 介绍一种新的,干净的,具有成本效益的方法来询问FBG温度传感器.
  • 为了证明使用波导光谱镜头 (WSL) 和标准的CMOS摄像机用于FBG审讯的可行性.
  • 与商业光谱分析仪 (OSA) 相比,评估拟议系统的性能.

主要方法:

  • 使用微芯片波导光谱镜头 (WSL) 和CMOS摄像头开发一个审讯系统.
  • 在没有自由空间光学元件的情况下,将FBG传输频谱投射到摄像头上.
  • 实施数据处理技术,包括直接空间转移分析和深度神经网络训练,用于温度传感.

主要成果:

  • 该WSL摄像机系统的波长-温度灵敏度 (6.33 pm/°C) 与商业OSA (6.32 pm/°C) 的灵敏度相当.
  • 根据FBG频谱的空间转移,直接数据处理实现了0.44μm/°C的灵敏度.
  • 一个深层神经网络实现了0.1°C (60-120°C) 的温度分辨率,显著超过了直接谷区检测 (7.84°C).

结论:

  • 拟议的WSL摄像头硬件和数据处理方法为FBG审讯提供了一个紧,实用和低成本的解决方案.
  • 这项技术有可能显著降低FBG传感器系统的成本和复杂性.
  • 开发的系统为FBG传感器在各个领域的更广泛应用铺平了道路.