概括
这项研究介绍了一种混合光纤系统,该系统结合了传感,功率和通信. 它在石油化工厂等具有挑战性的环境中提供可靠的监控.
科学领域:
- 光子学和光学工程的工程.
- 传感技术 传感技术
- 集成光纤系统 集成光纤系统
背景情况:
- 现有的光纤系统在恶劣条件下扎于多设备冗余性和电力通信协调.
- 挑战包括电磁干扰,危险区域和远距离监控要求.
研究的目的:
- 提出一种新的被动活性混合纤维布拉格格 (FBG) 纤维驱动系统.
- 将传感,电源和通信功能集成到一个单一的光纤架构上.
主要方法:
- 使用FBG反射频谱进行波长调节.
- 利用FBG传输频谱用于远程低功率传感器直流供应.
- 建立了一个1310nm高速回程通信通道.
主要成果:
- 获得了FBG温度传感器,灵敏度为9.7 pm/°C.
- 成功为电子温度监测节点供电.
- 在20公里的单模光纤上,证明了1.25 Gbps的无错误通信 (BER < 10^-12).
结论:
- 拟议的混合系统为高风险环境中可靠监控提供了一个创新的解决方案.
- 通过单一光纤成功集成传感,电源和通信.
- 解决复杂工业环境中现有系统的局限性.
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