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Conferences > OFS > 2023 > Tu3 > Tu3.75

Improved Dual-wavelength Demodulation Technique Based on Priori Information for Fiber Optic Fabry-Perot Ultrasonic Sensors

Yi Huang, Lina Zhang, Liangjie Wang, Chengyong Hu, Chuanlu Deng, Xiaobei Zhang, and Tingyun Wang

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Abstract

An improved dual-wavelength demodulation technique is proposed to achieve high-precision demodulation of fiber optic Fabry-Perot ultrasonic sensors over a wide dynamic range. Theoretically, sensors with arbitrary cavity length can be demodulated by the proposed technique.

© 2023 The Author(s)

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