在拉曼分布式温度传感中,自由空间光学的参与
Optics letters
|December 1, 2023
概括
自由空间光学 (FSO) 通过空气通道成功地传输了用于分布式温度传感 (DTS) 的拉曼反散信号. 这项创新为温度监测提供了具有成本效益和适应性的解决方案,克服了安装方面的挑战.
科学领域:
- 光学和光子学 在光学和光子学.
- 传感技术 传感技术
- 光纤光学是指光纤的使用.
背景情况:
- 分布式温度传感 (DTS) 传统上依赖于光纤电缆.
- 由于成本和地形限制,DTS电缆的安装和维修面临着重大挑战.
- 对于DTS,存在需要替代的,灵活的传输方法.
研究的目的:
- 证明自由空间光学 (FSO) 作为转换通道在DTS中传输拉曼反散信号的有效性.
- 在基于拉曼的DTS (RDTS) 系统中评估FSO链路的性能.
- 探索FSO克服传统DTS电缆安装局限性的潜力.
主要方法:
- 在基于拉曼的DTS (RDTS) 传输路线内集成自由空间光学 (FSO) 链路作为无障碍空气段.
- 通过FSO链接传输RDTS脉冲以实现低损耗传播.
- 在穿越FSO链接后收集和解释拉曼反向散射信号.
主要成果:
- 通过FSO空气段成功传输了拉曼反散信号.
- 在FSO链路上保持了最小的信号损失和温度测量准确度.
- 在FSO链接之前和之后的温度读数显示了可以忽略不计的差异.
结论:
- 自由空间光学 (FSO) 为基于拉曼的分布式温度传感 (RDTS) 提供了可行的和有效的空气过渡通道.
- 这种FSO-RDTS方法提供了一个有前途的解决方案,可以降低与传统DTS光纤电缆相关的高成本和安装困难.
- 该技术解决了复杂地形带带来的挑战,为更容易获得和更经济的温度监测解决方案铺平了道路.
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