[EN] In this work, we analyze the effect of predistortion techniques on the focusing profile of Fresnel Zone Plates (FZPs) in ultrasound applications. This novel predistortion method is based on either increasing or ...
Pérez-López, Sergio; Fuster Escuder, José Miguel; Candelas Valiente, Pilar; Rubio Michavila, Constanza(American Institute of Physics, 2019-06-03)
[EN] This work analyzes the influence of the distribution of transparent Fresnel regions over the focusing profile of Soret Zone Plates. It is shown that this effect becomes very significant in those fields where directional ...
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 ...