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A new Fiber Optic Accelerometer Based on Fiber Bragg Grating

机译：基于光纤布拉格光栅的新型光纤加速度计

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摘要

High sensitivity is an important index of an accelerometer for seismic monitoring. In this paper ,we have designed a new fiber Bragg grating accelerometer and, a theoretical structure is given. The theoretical analysis of the sensor is established, and the results show that the sensitivity of accelerometer device is 2131.5pm/g and resonance frequency is 28.01Hz theoretically .It has a higher precision than traditional accelerometer on magnitude. In the experiment , we have found that the output will react as a cosine signal while the input is a cosine signal. It indicates that the sensor has a good linear relationship between output and response. We demonstrated a strain sensing test of measuring central wavelength shifting by fiber Bragg grating.
机译：高灵敏度是用于地震监测的加速度计的重要指标。本文设计了一种新型的光纤布拉格光栅加速度计，并给出了理论结构。建立了传感器的理论分析，结果表明，加速度计装置的灵敏度为2131.5pm / g，理论上的共振频率为28.01Hz，在幅度上比传统加速度计具有更高的精度。在实验中，我们发现输出将作为余弦信号而输入则为余弦信号。这表明传感器在输出和响应之间具有良好的线性关系。我们演示了通过光纤布拉格光栅测量中心波长偏移的应变传感测试。

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  • 来源
    《Optoelectronic sensing and imaging》|2011年|p.83320D.1-83320D.8|共8页
  • 会议地点 Wuhan(CN);Wuhan(CN);Wuhan(CN)
  • 作者

    Qianliang Liang; Qizhen Sun; Jun Xu; Li Yu; Manliang Zhang;

  • 作者单位

    Wuhan National Laboratory for Optoelectronics ,School of Optoelectronic Science and Engineering,National Engineering Laboratory for Next Generation Internet Access System, Huazhong University of Science and Technology, Wuhan, Hubei, 430074, China;

    Wuhan National Laboratory for Optoelectronics ,School of Optoelectronic Science and Engineering,National Engineering Laboratory for Next Generation Internet Access System, Huazhong University of Science and Technology, Wuhan, Hubei, 430074, China;

    Wuhan National Laboratory for Optoelectronics ,School of Optoelectronic Science and Engineering,National Engineering Laboratory for Next Generation Internet Access System, Huazhong University of Science and Technology, Wuhan, Hubei, 430074, China;

    Wuhan National Laboratory for Optoelectronics ,School of Optoelectronic Science and Engineering,National Engineering Laboratory for Next Generation Internet Access System, Huazhong University of Science and Technology, Wuhan, Hubei, 430074, China;

    Wuhan National Laboratory for Optoelectronics ,School of Optoelectronic Science and Engineering,National Engineering Laboratory for Next Generation Internet Access System, Huazhong University of Science and Technology, Wuhan, Hubei, 430074, China;

  • 会议组织
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 光电子技术的应用;
  • 关键词

    sensitivity; fiber bragg grating; accelerometer;

    机译：灵敏度;光纤布拉格光栅加速度计;

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