Focusing higher-order lamb waves based on the luneburg lens

HIGHLIGHTS

• who: April and colleagues from the Shanghai Jiao Tong University, China have published the article: Focusing higher-order Lamb waves based on the Luneburg lens, in the Journal: (JOURNAL)
• what: In this paper, two Luneburg lenses for focusing the A1 wave at 1 MHz and the S2 wave at 1.9 MHz in a 2 mm aluminum plate, with a radius of 25 mm are designed. The analysis in the time and frequency domains clearly shows the excellent focusing phenomenon for higher-order Lamb waves. As a final remark, this paper presents a general design . . .
  

   

  

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