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一种光纤光栅气压调谐方法

Keywords: 光纤光栅,调谐,压力

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Abstract:

为了便于对光纤光栅的布喇格波长进行调谐,设计了一种光纤光栅气压调谐方法.通过改变密封气体的压力改变光栅的应变,从而调谐光栅的布喇格波长.推导了调谐所用公式,布喇格波长漂移与调谐量近似成线性关系.实验获得了5.4nm的调谐范围,实验结果和理论符合很好,线性拟合度分别为0.9982和0.9989.

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