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High Resolution Inclinometer Based on Vertical Pendulum and Fiber Bragg Grating Fabry-Perot Cavity

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摘要

In this paper, a vertical-pendulum-based inclinometer based on Fiber Bragg Grating Fabry-Perot (FBG-FP) cavity is proposed. A low-damping rotation structure is used to reduce the mechanical frictions of the pendulum system and induce wavelength shift of FBG-FPs. We find that the sensitivity can be maximized by optimizing the parameters of the inclinometer. Using high-resolution demodulation system, a sensitivity of 179.9 pm/° and a resolution better than 2.0×10-2 ″ can be achieved. Experiments also show that the proposed inclinometer has good linearity and repeatability.

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作者单位:

    School of Traffic and Transportation, Shijiazhuang Tiedao University
    Institute of Semiconductors, Chinese Academy of Sciences
    School of Traffic and Transportation, Shijiazhuang Tiedao University

引用该论文

Cui Peng,Zhang Wentao,Song Ying. High Resolution Inclinometer Based on Vertical Pendulum and Fiber Bragg Grating Fabry-Perot Cavity[J].Chinese Optics Letters,2018,16(11):11.