基于偏振OTDR变换器的分布式高双折射定位:现场演示

2017 SBMO/IEEE MTT-S International Microwave and Optoelectronics Conference (IMOC) Pub Date : 2017-08-01 DOI:10.1109/IMOC.2017.8121023

C. Floridia, J. Rosolem

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引用次数: 0

摘要

我们提出了一个基于偏振光时域反射计转换器(POTDR-C)的分布式高双折射定位的现场演示。在此概念中，在商用OTDR(光时域反射计)之后使用低成本转换器来减小OTDR激光的谱线宽度。由于光信号的局部双折射，这确保了对SOP(偏振状态)变化的高灵敏度，使目前的OTDR技术保持了数百公里的高范围。该系统在106.70 km的实际安装系统中进行了测试，累计偏振模色散(PMD)为31.46 ps，成功地确定了8.1 km、4.0 km和4.1 km的三段高PMD。替换确定的高PMD部分导致PMD降低到1.354 ps，非常接近预测值1.314 ps。

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Distributed high birefringence localization based in polarization OTDR converter: A field demonstration

We present a field demonstration of a distributed high birefringence localization based in POTDR-C (Polarization Optical Time Domain Reflectometer Converter). In such conception, a low cost converter is used after a commercial OTDR (Optical Time Domain Reflectometer) to reduce spectral line width of OTDR laser. This ensures high sensitivity to SOP (State of Polarization) changes due to local birefringence of optical signal keeping high reach of hundreds kilometers of present OTDR technology. The proposed system was tested in a real installed system in one route of 106.70 km with accumulated polarization mode dispersion (PMD) of 31.46 ps. It successfully determined three segments of high PMD in the route of 8.1 km, 4.0 km and 4.1 km. Replacement of identified high PMD sections resulted in PMD reduction to 1.354 ps, very close to predicted value of 1.314 ps.

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2017 SBMO/IEEE MTT-S International Microwave and Optoelectronics Conference (IMOC)

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