How diffraction limits ultrasonic screening in phononic plate composed of a periodic array of resonant slits

Autor: Younes Achaoui, Morvan Ouisse, Philippe Lasaygues, Mahmoud Addouche, A. Elayouch, Abdelkrim Khelif

Publikováno v: Comptes Rendus. Physique
Comptes Rendus. Physique, 2016, 17 (5), pp.518-523. ⟨10.1016/j.crhy.2016.02.006⟩
Comptes Rendus. Physique, Académie des sciences (Paris), 2016, 17 (5), pp.518-523. ⟨10.1016/j.crhy.2016.02.006⟩

International audience; We explore experimentally the role played by diffraction in the phenomenon of acoustic shielding provided by a plate that is periodically perforated with subwavelength slits and immersed in water. We carried out ultrasonic tra

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7e10362ea8e52e2104398c37d3f460e4
https://hal.science/hal-01446389/document