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Optical Fiber Sensing Technologies
book

Optical Fiber Sensing Technologies

by Tiegen Liu, Junfeng Jiang, Kun Liu, Shuang Wang
March 2022
Intermediate to advanced content levelIntermediate to advanced
864 pages
28h 54m
English
Wiley-VCH
Content preview from Optical Fiber Sensing Technologies

16Distributed Temperature Sensing Based on Raman Scattering

16.1 Raman Scattering Theory

Light is an electromagnetic wave. When the electromagnetic waves encounter an obstacle or non‐homogeneity, the incident electromagnetic wave interacts with the molecules or atoms of the medium. When the incident electromagnetic frequency is far away from the resonant frequency of the medium, electromagnetic wave related to time is generated. The secondary electromagnetic is the scattering effect. When the incident light power of the fiber is small, the spontaneous scattering is observed in the fiber [1]. When the incident light frequency is w, its spontaneous scattering spectrum in light is shown in Figure 16.1.

Figure 16.1 Schematic diagram of typical ...

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Publisher Resources

ISBN: 9783527346363