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Browsing by Subject "Fresnel"

RiuNet: Institutional repository of the Polithecnic University of Valencia

Browsing by Subject "Fresnel"

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    Configuración del patrón de focalización en lentes de ultrasonidos 
    Pérez Bernabeu, Rubén (Universitat Politècnica de València, 2018-10-01)
    En este proyecto se ha realizado un estudio acerca de las lentes Fresnel y su posible aplicación en el entorno de la medicina mediante el uso de ondas de ultrasonido. Este trabajo empieza con un desarrollo teórico de las ...
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    Diffraction by electronic components of everyday use 
    Barreiro, Jesus J.; Pons, Amparo; Barreiro, Juan C.; Castro-Palacio, Juan C.; Monsoriu Serra, Juan Antonio (American Association of Physics Teachers, 2014-03)
    [EN] We demonstrate the use of CCD image sensors and LCD screens from discarded electronic devices as elements for performing simple optical diffraction experiments. The experiments can determine the spatial structure of ...
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    On the use of phase correction rings on Fresnel zone plates with ultrasound piston emitters 
    Sergio Pérez-López; Fuster Escuder, José Miguel; Candelas Valiente, Pilar; Rubio Michavila, Constanza; Belmar Ibáñez, Francisco (American Institute of Physics, 2018)
    [EN] In this work, the distortion of the Fresnel Zone Plate focusing profile generated by a piston emitter in ultrasound applications is significantly reduced through the use of phase correction rings, which compensate the ...