Conformal gradient-index phononic crystal lens for ultrasonic wave focusing in pipe-like structures
Applied physics letters, 2020-07, Vol.117 (2) [Peer Reviewed Journal]Author(s) ;2020 Author(s). Published under license by AIP Publishing. ;ISSN: 0003-6951 ;EISSN: 1077-3118 ;DOI: 10.1063/5.0012316 ;CODEN: APPLAB
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