光学
拉曼放大
拉曼光谱
拉曼散射
传输(电信)
材料科学
信号(编程语言)
自由空间
自由空间光通信
光纤
频道(广播)
光电子学
光通信
电信
计算机科学
物理
程序设计语言
作者
Cheng-Kai Yao,Yibeltal Chanie Manie,Hung-Ming Chen,Wen Yang Hsu,Tzu-Chiao Lin,Peng‐Chun Peng
出处
期刊:Optics Letters
[The Optical Society]
日期:2023-12-01
卷期号:48 (23): 6340-6340
摘要
This Letter demonstrates the successful use of free-space optics (FSO) as a transition channel for an air segment in transmitting Raman backscattering signals for distributed temperature sensing (DTS). A barrier-free air segment link shaped by an FSO is part of the Raman-based DTS (RDTS) fiber optic transmission route. For this plan, the FSO enables delivery of the RDTS’s pulse with the low-loss transmission over the air segment while also returning to the RDTS the varied Raman backscattered signals from the probing temperature variations for signal interpretation. The difference between various temperatures sensed and the referential air temperature remains nearly the same before and after passing the FSO. The viability of this technology provides a crucial basis for tackling the high expense of installing and repairing DTS cables and the challenges associated with doing so owing to topographical restrictions.
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