| Temperature—independent Stress and Displacement Bidirectional Sensing Tuned by an Applied Bilateral Cantilever Beam |
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| 引用本文： | 张伟刚,项阳,等.Temperature—independent Stress and Displacement Bidirectional Sensing Tuned by an Applied Bilateral Cantilever Beam[J].中国物理快报,2002,19(1):76-78. |
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| 作者姓名： | 张伟刚 项阳 |
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| 作者单位： | InstituteofModernOptics,NankaiUniversity,Tianjin300071 |
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| 摘 要： | A novel and simple approach of temperature-independent stress and displacement bidirectional sensing tuned by an applied bilateral cantilever beam is proposed and demonstrated.The 3dB bandwidth of fibr gratings is linear with respect to the stress and displacement in the tuning range of 16nm.The sensing sensitivities of the stress and displacement are 5.76nm/N and 0.941nm/mm,respectively.
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| 关 键 词： | 纤维Bragg光栅 温度无关应力 双向敏感 光栅 |
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