Study on an intelligent optical fibre displacement sensor

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Laser interferometry measurements are difficult to use in industrial environments for expensive, and optical fiber sensors based on intensity are sensitive to the service voltage and thermal drifts of the surrounding medium. To help to solve these problems, an intelligent intensity optical fiber sensor based on two-circle reflective coaxial bundle is presented. The structure of the sensor and measurement system are designed with auto-zeroing and auto-compensation, and its sensitivity, noise level, and drift compensation are calculated to offer quantitative guidance for the design and implementation of the sensor. © 2011 Published by Elsevier Ltd.




Zhao, J., Zhang, X., & Wang, Y. (2011). Study on an intelligent optical fibre displacement sensor. In Procedia Engineering (Vol. 15, pp. 989–993).

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