Fiber-laser ultrasonic sensor based on remote coupling

Penghui Chen; Bang Yang; Shengnan Zhou; Xiuwu Zhang; Jiajun Tian

doi:10.1117/12.2616200

26 July 2022 Fiber-laser ultrasonic sensor based on remote coupling

Penghui Chen, Bang Yang, Shengnan Zhou, Xiuwu Zhang, Jiajun Tian

Proceedings Volume 12279, 2021 International Conference on Optical Instruments and Technology: Optical Sensors and Applications; 1227904 (2022) https://doi.org/10.1117/12.2616200
Event: 2021 International Conference on Optical Instruments and Technology, 2022, Online Only

Abstract

We proposed and analyzed a fiber-laser ultrasonic sensor based on remote coupling. Utilizing the unique anti-environmental disturbance ability of the remote coupling, together with the transient response characteristics of the fiber laser, a good detection of the ultrasonic signal can be achieved under configurations with different coupling parameters. The detection effect of continuous and pulsed ultrasonic signals under different distances among the ultrasonic signal source, the fiber sticking position and the ultrasonic receiving unit was experimentally demonstrated. The ultrasonic sensor has high value in practical engineering applications.

Citation Download Citation

Penghui Chen, Bang Yang, Shengnan Zhou, Xiuwu Zhang, and Jiajun Tian "Fiber-laser ultrasonic sensor based on remote coupling", Proc. SPIE 12279, 2021 International Conference on Optical Instruments and Technology: Optical Sensors and Applications, 1227904 (26 July 2022); https://doi.org/10.1117/12.2616200

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