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METHOD FOR MEASURING POLARIZATION CHARACTERISTICS OF OPTICAL FIBER, DRAWING METHOD, METHOD FOR IDENTIFYING ABNORMAL POINT, AND METHOD FOR CONFIGURING OPTICAL FIBER TRANSMISSION LINE
METHOD FOR MEASURING POLARIZATION CHARACTERISTICS OF OPTICAL FIBER, DRAWING METHOD, METHOD FOR IDENTIFYING ABNORMAL POINT, AND METHOD FOR CONFIGURING OPTICAL FIBER TRANSMISSION LINE
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机译:测量光纤极化特性的方法,绘图方法,识别异常点的方法和配置光纤传输线的方法
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摘要
The present invention relates to a measuring method, etc., comprising a structure for accurately measuring optical characteristics such as PMD of an optical fiber. The measuring method is a technique for measuring polarization characteristic distributions along the longitudinal direction of the optical fiber as a measuring object by using BOCDA, and by propagating probe light and pumping light opposite in the optical fiber, BGS is generated at a plurality of respective measurement positions. Then, based on Brillouin gain fluctuations at the respective measurement positions, polarization characteristic distributions are calculated.
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