This paper presents the principles of the Raman back-scattering effect based temperature sensing and the OTDR (Optical Time-Domain Reflectometry) based positioning.
本文介绍了光纤拉曼散射测温基本原理和基于光时域反射(OTDR)定位原理。
Back Raman scattering of the ethanol is observed in the experiment. The cause of two wavelengths of laser is analysed.
实验观察了乙醇的后向喇曼散射，分析了激光器两个波长的产生原因。
Back Raman scattering of the ethanol is observed in the experiment. The cause of two wavelengths of laser is analysed.
实验观察了乙醇的后向喇曼散射，分析了激光器两个波长的产生原因。
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