On the focusing enhancement of Soret zone plates with ultrasound directional transducers | Zendy

Sergio Pérez-López | Zendy; J.M. Fuster | Zendy; Pilar Candelas | Zendy; Constanza Rubio | Zendy

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On the focusing enhancement of Soret zone plates with ultrasound directional transducers

Author(s) -

Sergio Pérez-López,

J.M. Fuster,

Pilar Candelas,

Constanza Rubio

Publication year - 2019

Publication title -

applied physics letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.182

H-Index - 442

eISSN - 1077-3118

pISSN - 0003-6951

DOI - 10.1063/1.5100219

Subject(s) - transducer , optics , microwave , materials science , ultrasonic sensor , fresnel lens , fresnel zone , lens (geology) , fresnel equations , transmission (telecommunications) , acoustics , work (physics) , physics , computer science , diffraction , refractive index , telecommunications , quantum mechanics , thermodynamics

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 transducers are employed, such as microwaves or acoustics. A thorough analysis on both the lens transmission efficiency and the focusing enhancement factor is presented. Moreover, experimental measurements are also carried out, validating the theoretical model and demonstrating that the distribution of transparent Fresnel regions becomes a critical parameter in applications requiring directional emitters.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 transducers are employed, such as microwaves or acoustics. A thorough analysis on both the lens transmission efficiency and the focusing enhancement factor is presented. Moreover, experimental measurements are also carried out, validating the theoretical model and demonstrating that the distribution of transparent Fresnel regions becomes a critical parameter in applications requiring directional emitters.

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