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High-resolution measurement of fiber length by using a mode-locked fiber laser configuration

机译:使用锁模光纤激光器配置进行光纤长度的高分辨率测量

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摘要

A simple method to precisely measure fiber length has been experimentally demonstrated by using a modelockedfiber laser configuration. Since the transit time in a cavity is exactly proportional to the cavity length, it is easy to obtain the fiber length from the generation of mode-locked pulses in the fiber laser with a longrange nonlinear optical loop mirror that includes the measured fiber. Our new method has a large measurement range, over hundreds of kilometers, and a high resolution, of the order of centimeters, as well as no measurement dead zone.
机译:通过使用Modelockedfed光纤激光器配置,已通过实验证明了一种精确测量光纤长度的简单方法。由于腔体中的传输时间与腔体长度成正比,因此,通过使用包含被测光纤的远程非线性光学环形镜,通过光纤激光器中锁模脉冲的产生很容易获得光纤长度。我们的新方法具有超过数百公里的大测量范围,并且具有厘米级的高分辨率,并且没有测量死区。

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