Effects of temperature on the performance of twisted optic fiber loop
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摘要: 从理论上和实验上研究了温度对扭转光纤环性能的影响.结果发现,当注入线偏振光时,扭转光纤环内存在一个弱主轴,并且其方向会随着温度的变化而偏移;而注入圆偏振光时,输出光仍然是一个比较好的圆偏振光,在同样的温度范围内,椭圆度变化很小.为进一步提高光纤大电流传感器的稳定性研究提供了一个有益的参考.Abstract: The effects of temperature on the performance of the twisted fiber loop are analyzed both theoretically and experimentally.The results reveal that there exists something like a pair of weak principal axes in the fiber,whose location may drift because of temperature change.It is found in the experiment that this drift may be significant when linear polarized light is used.The experiment also shows that SOP is little deteriorated when circular polarized light is used in a twisted fiber loop.
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