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光纤中的偏振测量
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光纤中的偏振测量
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工学
偏振测量
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polarimetric in optic fiber
光纤中的偏振测量
光在光纤中的偏振态特性对利用光纤进行信息的获取和传递有着重要的意义。它涉及许多仪器(如光纤陀螺仪、光纤干涉仪等)的稳定性。针对光纤中偏振态随外界场(如磁场、温度、压力、应变等)变化而变化的特点,开发出了大量的光纤传感器(如光纤电流传感器、分布/立式光纤压力传感、分布/立式光纤温度传感、磁传感等)。与之相关的重要偏振测量包括偏振模色散测量(PMD)、偏振依赖损耗测量(PDL)等。
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