探测型光纤传感器用于测量电场分布
Chen Chen1, Xinyu Liang1, Yang Li1
1Xi'an Jiaotong University, Xi'an, Shannxi 710049, China.
The Review of scientific instruments
|December 2, 2024
概括
本研究介绍了一种紧的光纤电场 (E-field) 传感器,可以精确检测短暂的E-field. 适应性颗粒群集优化 (A-PSO) 算法增强了其绝缘结构,显著提高了空间分辨率,用于准确的E场测量.
科学领域:
- 光电学是指光电子产品.
- 电磁学 电磁学 电磁学 电磁学
- 传感器技术 传感器技术
背景情况:
- 精确测量短暂电场 (E-fields) 对于各种应用至关重要.
- 现有的光学E场传感器面临着温度诱导的双断和结构优化的挑战.
- 人们需要紧的,高分辨率的传感器,能够精确地检测电场分布.
研究的目的:
- 开发一个紧的光纤电场传感器,用于精确的短暂电场分布检测.
- 为了减轻温度诱导的双断层干扰,没有额外的光学组件.
- 通过新的结构优化来增强传感器的空间分辨率.
主要方法:
- 提出了一种反射极化-相互光学路径,以本质地减少双折干扰.
- 使用自适应粒子群优化 (A-PSO) 算法来优化传感器的绝缘结构.
- 进行实验以验证传感器的性能和空间分辨率的增强.
主要成果:
- 传感器的设计本质上减轻了温度诱导的双折射,从而实现了缩小尺寸的探头.
- A-PSO算法抑制了50%的场变形,显著改善了空间分辨率.
- 传感器显示了广泛的频率响应 (50 Hz 到 15 MHz) 和 0.675 V/kV cm-1.1 的灵敏度.
- 成功监测了闪电杆拦截区域中的电场分布.
结论:
- 开发的紧型光纤E-Field传感器可以精确检测短暂的E-Field分布.
- 新型光学路径和A-PSO优化有效地解决了现有传感器的关键局限性.
- 传感器的性能验证了其在现实应用中的潜力,例如闪电保护分析.
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