Acta Photonica Sinica, Volume. 38, Issue 3, 656(2009)

3-Dimensional Strain Sensor in Fiber Bragg Grating

LAN Yu-wen*, LIU Bo, and LUO Jian-hua
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    A 3-dimensional strain sensor with fiber Bragg grating (FBG) was designed and realized.The sensor was based on cylinder structure,with three FBGs fixed on surface of cylinder by 120° angle intervals.This 3D sensor was theoretically demonstrated with material mechanics,and experiment was taken with stress of serials on a random direction.Experiment results show that the sensor can measure strain in any direction in 3-dimension space.The measure results have high linearity and error below 1.58% in measure range of 0-5N,and its′ measure precision can reach 9.2×10-3N.

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    LAN Yu-wen, LIU Bo, LUO Jian-hua. 3-Dimensional Strain Sensor in Fiber Bragg Grating[J]. Acta Photonica Sinica, 2009, 38(3): 656

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    Paper Information

    Category: Fiber Optics and Optical Communications

    Received: Nov. 12, 2007

    Accepted: --

    Published Online: Jul. 16, 2010

    The Author Email: LAN Yu-wen (lanyuwen@mail.nankai.edu.cn)

    DOI:

    CSTR:32186.14.

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