Abstract
In this paper, a relative calibration method is used to calibrate Fiber Bragg Grating(FBG) acceleration sensor. The calibrated sensor and standard sensor are fixed back-to-back to the excitation source. Both sensors receive the same excitation. The data from standard sensor and the FBG sensor are compared and analyzed. Data matching was performed by cross-correlation method and matching coefficients were calculated. The experimental results show that FBG vibration sensor is calibrated with a sensitivity of 1.3489 pm/g by cantilever beam vibration platform, and the correlation coefficient is 0.93. It has a good prospect in the field of acceleration sensing and can be widely used in actual acceleration measurement.
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