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Background loss minimization in arc-induced long-period fiber gratings

机译:电弧诱发的长周期光纤光栅中的背景损耗最小化

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摘要

We demonstrate the minimization of background loss for arc-induced long-period fiber gratings in standard fiber by Taguchi's optimization method. We use Taguchi's method to determine the optimum values for parameters like electric-arc power, arc duration, and tensile strain applied over the fiber during the inscription process. With these optimal parameters, we minimize the background loss resulting from the geometrical deformations of the fiber. The experimental results show that background loss can be reduced from more than 1 dB to less than 0.3 dB at rejection bands with isolation >15 dB.
机译:我们通过Taguchi优化方法论证了标准光纤中电弧诱导的长周期光纤光栅的背景损耗最小。我们使用Taguchi的方法来确定铭刻过程中施加在纤维上的参数(如电弧功率,电弧持续时间和拉伸应变)的最佳值。使用这些最佳参数,我们可以将由光纤的几何变形引起的背景损失降至最低。实验结果表明,在隔离度> 15 dB的抑制频带上,背景损耗可以从大于1 dB降低至小于0.3 dB。

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