Abstract
This paper presents a long-range Brillouin scattering based distributed fiber optic temperature sensor design and investigation using phase modulation technique. The present work involves the analysis of the Brillouin Intensity for real-time temperature measurements. This can be applied in many applications; however we have studied the system for monitoring of hydrocarbon supply lines. In the simulation environment we have investigated a, 150 km length of fiber interrogated by a laser with Centre frequency of 193.1 THz and data rate of 1Gbps. We demonstrate here that this behavior can be fully and precisely modeled, and an excellent quantitative agreement is found with the theoretically predicted values.
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