A new fiber optic accelerometer based on fiber Bragg grating

Qianliang Liang; Li Yu; Manliang Zhang

doi:10.1117/12.918004

17 February 2012 A new fiber optic accelerometer based on fiber Bragg grating

Qianliang Liang, Li Yu, Manliang Zhang

Proceedings Volume 8332, Photonics and Optoelectronics Meetings (POEM) 2011: Optoelectronic Sensing and Imaging; 83320D (2012) https://doi.org/10.1117/12.918004
Event: Photonics and Optoelectronics Meetings 2011, 2011, Wuhan, China

Abstract

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.

Citation Download Citation

Qianliang Liang, Li Yu, and Manliang Zhang "A new fiber optic accelerometer based on fiber Bragg grating", Proc. SPIE 8332, Photonics and Optoelectronics Meetings (POEM) 2011: Optoelectronic Sensing and Imaging, 83320D (17 February 2012); https://doi.org/10.1117/12.918004

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