Modeling of femtosecond photoacoustic non-destructive testing in AlCu nanofilms
Zhongyu Wang,
Jing Min,
Zehan Wang
et al.
Abstract:Photoacoustic detection has shown excellent performance in measuring the thickness and detecting defects in metal nanofilms. However, during ultrafast photoacoustic detection, signal quality depends on both laser parameters and the physical properties of nanofilms. Therefore, it is important to study how physical processes evolve under different laser parameters to improve signal quality in various film materials. In this study, we have developed a comprehensive physical model that combines the Two-Temperature… Show more
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