Optical fiber ultrasonic sensor based on partial filling PDMS in hollow-core fiber

Min Shao,Zhongwei Cao,Hong Gao,Dakuan Yu,Xueguang Qiao

Optics & Laser Technology（2023）

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摘要

•PDMS partially filled in HCF makes the sensor probe compact and simplifies the manufacturing process.•The sensor has a SNR of 39.64 dB with a low noise, and exhibits a good stability in long-term operation.

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关键词

Ultrasonic sensor, Fabry-Perot interferometer, PDMS

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