Acoustic focusing by a double layered acoustic grating

• Main Authors: Du, Liangfen, Saini, Abhishek, Sun, Zeqing, Chen, Jian, Fan, Zheng
• Other Authors: School of Mechanical and Aerospace Engineering
• Format: Article
• Language: English
• Published: 2023
• Subjects: Engineering::Mechanical engineering; Acoustic Focusing; Non Destructive Evaluation
• Online Access: https://hdl.handle.net/10356/171343
• Institution: Nanyang Technological University

Acoustic focusing has wide applications in many domains including non-destructive evaluation, medical diagnosis and particle manipulation. In the past decades, due to their outstanding capacity of wave manipulation, acoustic metasurfaces (AMSs) based on various structures, such as coiling-up space s...