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将一光纤光栅沿轴向粘贴于两重叠等腰三角形悬臂梁的交界处进行力传感。理论和实验均证实该无源装置具有自动补偿布拉格波长温漂效应的功能。 0～ 0 .34N力范围内 ,实验表明其传感灵敏度达 6.2 nm/ N。
A fiber grating is axially affixed to the junction of two overlapping isosceles triangular cantilevers for force sensing. Both theory and experiment confirm that this passive device has the function of automatically compensating for the temperature drift effect of Bragg wavelength. 0 ~ 0.34N force range, the experiment showed that the sensitivity of its sensitivity of 6.2 nm / N.