[EN] In this work, we report the first experimental observation of a new type of near-field curved acoustic beam confirmed by simulations. This new curved acoustical beam is generated by asymmetric distribution of the ...
Pérez-López, Sergio; Candelas Valiente, Pilar; Fuster Escuder, José Miguel; Rubio Michavila, Constanza; Minin, Oleg V.; Minin, Igor V.(Japan Society of Applied Physics, 2019)
[EN] In this work, we present a lens based on a thin hollow ABS spherical container structure, which can be filled up with different compatible liquids. The acoustic jet can be dynamically shaped by either shifting the ...
Rubio Michavila, Constanza; Tarrazó-Serrano, Daniel; Castiñeira Ibáñez, Sergio; Minin, Oleg V.; Candelas Valiente, Pilar; Minin, Igor V.(Acoustical Society of America, 2019-09-06)
Fresnel Zone Plate lenses present a high capacity to generate focus spot. In acoustics, these ultrasound lenses can be used in both HIFU and imaging systems. One of the limitations of classical Fresnel Zone
Plates is the ...
Pérez-López, Sergio; Fuster, José Miguel; Minin, Igor V.; Minin, Oleg V.; Candelas Valiente, Pilar(Nature Publishing Group, 2019-09-16)
[EN] In this work, we present a configurable spherical lens for underwater focusing applications, which consists on a hollow ABS container filled with a liquid mixture. Two miscible liquids with different sound speeds are ...
[EN] In this paper, we demonstrate that, contrary to what the Geometrical Optics laws dictate, a flat polymer mesoscale cuboid immersed in water with no need of negative refraction can focus sound. Two main polymers ...