Cantilever-based two-axis fiber Bragg grating accelerometer

Yuefeng Hou; Wentao Zhang; Fang Li

doi:10.1117/12.2034213

29 August 2013 Cantilever-based two-axis fiber Bragg grating accelerometer

Yuefeng Hou, Wentao Zhang, Fang Li

Proceedings Volume 8914, International Symposium on Photoelectronic Detection and Imaging 2013: Fiber Optic Sensors and Optical Coherence Tomography; 89140R (2013) https://doi.org/10.1117/12.2034213
Event: ISPDI 2013 - Fifth International Symposium on Photoelectronic Detection and Imaging, 2013, Beijing, China

Abstract

A novel Cantilever-based two-axis FBG accelerometer (FBGA) is presented. By installing two fiber Bragg gratings on the cantilever, the proposed FBGA can detect the acceleration, both its magnitude and direction. Theoretical analyses including acceleration response and natural frequency are given. The experimental results show an acceleration sensitivity of 40 pm/g in the X-axis, 18 pm/g in the Y-axis, a directivity of better than 20 dB, and a natural frequency of about 100 Hz. These results agree well with theoretical expectations.

Citation Download Citation

Yuefeng Hou, Wentao Zhang, and Fang Li "Cantilever-based two-axis fiber Bragg grating accelerometer", Proc. SPIE 8914, International Symposium on Photoelectronic Detection and Imaging 2013: Fiber Optic Sensors and Optical Coherence Tomography, 89140R (29 August 2013); https://doi.org/10.1117/12.2034213

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