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12 March 2020 The research of optical fiber sensor calibration based on acoustic sensor calibration system
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In recent years, optical fiber sensing technology has been greatly developed and widely used in temperature, strain, harmonic vibration testing, especially acoustic detection based on optical fiber sensor, widely used in hydrophones, optical fiber microphones and other real-time detection and early warning systems. However, there is no good solution to the traceability problem of sensors based on optical fiber principle. In this paper, the traceability principle and process of traditional acoustic sensors are introduced in detail. Based on this opportunity, a traceability system which can be applied to optical fiber acoustic sensors is proposed. The system consists of a complete anechoic laboratory, an acoustic analyzer, an acoustic calibrator, a power amplifier, a piston generator, a sound source and microphone. The system has been successfully used to calibrate and trace the acoustic sensitivity and other parameters of the fiber acoustic sensor. The experimental results show that the scheme is effective. This paper has a certain significance for the development of optical fiber technology.
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Tao Zhang, Yongxia Chen, Yaoyao Cui, Yinfei Du, BeiBei Fu, Qishen Jia, Shen Gao, Yuanyao Li, Peng Wang, and Hui Zheng "The research of optical fiber sensor calibration based on acoustic sensor calibration system", Proc. SPIE 11439, 2019 International Conference on Optical Instruments and Technology: Optoelectronic Measurement Technology and Systems, 114391D (12 March 2020);

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