High-efficiency ultrasound generation excited by an annular distributed Ho:YAG laser with 2.09 µm in carbon fiber reinforced plastics

Tongyu Dai,Jiawei Fan,Jiaze Wu,Yuechu Wu,Ye Zhang

Optics & Laser Technology（2023）

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摘要

•High efficiency laser ultrasound of carbon fiber reinforced plastics is developed based on an annular distributed laser excitation source with wavelength of 2.09 µm.•The maximum ultrasound signal amplitude higher than 280 mV was realized.

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关键词

2.09 µm Ho:YAG laser,Ultrasound generation,Annular distributed laser,Photo-acoustic efficiency

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