Chen Sung-Liang, Tian Chao
University of Michigan-Shanghai Jiao Tong University Joint Institute, Shanghai Jiao Tong University, 200240, Shanghai, China.
Engineering Research Center of Digital Medicine and Clinical Translation, Ministry of Education, 200030, Shanghai, China.
Vis Comput Ind Biomed Art. 2021 Mar 19;4(1):6. doi: 10.1186/s42492-021-00073-1.
Photoacoustic (PA) imaging has been widely used in biomedical research and preclinical studies during the past two decades. It has also been explored for nondestructive testing and evaluation (NDT/E) and for industrial applications. This paper describes the basic principles of PA technology for NDT/E and its applications in recent years. PA technology for NDT/E includes the use of a modulated continuous-wave laser and a pulsed laser for PA wave excitation, PA-generated ultrasonic waves, and all-optical PA wave excitation and detection. PA technology for NDT/E has demonstrated broad applications, including the imaging of railway cracks and defects, the imaging of Li metal batteries, the measurements of the porosity and Young's modulus, the detection of defects and damage in silicon wafers, and a visualization of underdrawings in paintings.
在过去二十年中，光声（PA）成像已广泛应用于生物医学研究和临床前研究。它也被用于无损检测与评估（NDT/E）以及工业应用。本文描述了用于NDT/E的PA技术的基本原理及其近年来的应用。用于NDT/E的PA技术包括使用调制连续波激光和脉冲激光来激发PA波、PA产生的超声波，以及全光学PA波激发和检测。用于NDT/E的PA技术已展现出广泛的应用，包括铁路裂缝和缺陷成像、锂金属电池成像、孔隙率和杨氏模量测量、硅片缺陷和损伤检测以及绘画中底稿的可视化。
