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Browsing by Subject "Ultrasound focusing"

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Browsing by Subject "Ultrasound focusing"

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    Acoustical hooks: A new subwavelength self-bending beam 
    Rubio Michavila, Constanza; Tarrazó-Serrano, Daniel; Minin, Oleg V.; Uris Martínez, Antonio; Minin, Igor V. (Elsevier, 2020-03)
    [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 ...
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    Fractal lenses based on Cantor binary sequences for ultrasound focusing applications 
    Pérez-López, Sergio; Fuster Escuder, José Miguel; Candelas Valiente, Pilar; Rubio Michavila, Constanza (Elsevier, 2019)
    [EN] In this work, we demonstrate the application of Cantor fractal lenses in acoustics. The Cantor Zone Plate (CZP), previously introduced in optics, is designed from a conventional Fresnel Zone Plate (FZP) using a binary ...
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    Sound Scattering by Lattices of Heated Wires 
    Ivanov Angelov, Mitko (2016-05-02)
    [EN] The aim of this work is to demonstrate theoretically and experimentally how acoustic wave propagation can be controlled by temperature gradients. Starting with the simplest case of two hot wires in air the study extends ...