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以光纤光栅滤波器的调谐为例 ,研究了 6种以应力拉伸或压缩为手段的光纤光栅的调谐方法 ,分析了它们的基本原理 ,并对它们的优缺点进行了比较 .
Taking the tuning of FBG as an example, six kinds of tuning methods of FBG using stress stretching or compression are studied. Their basic principles are analyzed and their advantages and disadvantages are compared.