倾斜光纤光栅传感器研究小组在光纤二维振动传感器研究方面取得进展，在多模光纤上制备倾斜光纤布喇格光栅，利用多模倾斜光纤布喇格光栅高阶纤芯奇模的强偏振依赖性和光谱分立性，通过正交偏振解调技术与矢量合成分析方法，实现了基于单一倾斜光纤光栅的二维振动方向识别。与此同时，通过优化光栅结构与写制工艺，压缩单个传感器占用带宽，并配合高速编码调制技术，实现传感器的波分复用与时分复用。

正交偏振光纤二维振动矢量传感探头与传感特性

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