| 光纤光栅传感器的波长检测系统及其理论分析 |
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| 引用本文： | 谢芳,张书练,李岩,张爱华,李相培.光纤光栅传感器的波长检测系统及其理论分析[J].光学学报,2002,22(6):26-730. |
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| 作者姓名： | 谢芳 张书练 李岩 张爱华 李相培 |
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| 作者单位： | 1. 清华大学精密仪器系精密测试技术与仪器国家重点实验室,北京,100084
2. 韩国科学技术研究院光子研究中心,韩国 |
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| 摘 要： | 理论分析并实验研究了基于光纤光栅滤波调谐技术的光纤光栅传感系统。分析了由于光源光强度波动及光纤扰动而引起的波长测量误差，并给出了减小测量误差的方法。该系统采用应变仪作为读出设备，使测量结果的线性拟合度达0．9995，测量光纤光栅布拉格波长移动的最小分辨率为1．3pm。
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| 关 键 词： | 光纤光栅传感器 理论分析 波长检测 测量误差 |
A New Wavelength Shift Detecting Technology for Fiber Bragg Grating System |
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| Xie Fang,Zhang Shulian,Li Yan,Zhang Aihua.A New Wavelength Shift Detecting Technology for Fiber Bragg Grating System[J].Acta Optica Sinica,2002,22(6):26-730. |
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| Authors: | Xie Fang Zhang Shulian Li Yan Zhang Aihua |
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| Abstract: | A fiber Bragg grating system based on the FBG tunable filtering technology is studied theoretically and experimentaly. The measurement error induced by the fluctuation of light intensity is analyzed and the method of reducing the measurement error is given. A strain gauge is used as the read out device of the system. The related linear regression coefficient of the experimental result is 0.9995. The resolution of detecting wavelength shift is 1.3 pm. |
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| Keywords: | fiber Bragg grating sensor wavelength detecting |
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