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Browsing by Author "Torroba, Roberto"

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Browsing by Author "Torroba, Roberto"

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    Encriptación óptica empleando llaves Weierstrass-Mandelbrot 
    Giménez, Fernando; Monsoriu, Juan A.; Barrera, John Fredy; Furlan, Walter D.; Tebaldi, Myrian; Bolognini, Néstor; Torroba, Roberto (Universitat Politècnica de València, 2013-06-02)
    [EN] This paper presents the generation of encryption keys using the local oscillating properties of the partial sums of Weierstrass-Mandelbrot fractal function. In this way, the security key can be replicated if the ...
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    Imaging Properties of Kinoform Fibonacci Lenses 
    Ferrando Martín, Vicente; Calatayud Calatayud, Arnau; Andrés, P.; Torroba, Roberto; Furlan, Walter Daniel; Monsoriu Serra, Juan Antonio (Institute of Electrical and Electronics Engineers (IEEE): OAJ, 2014-02)
    In this paper, we present a new kind of bifocal kinoform lenses in which the phase distribution is based on the Fibonacci sequence. The focusing properties of these DOEs coined Kinoform Fibonacci lenses (KFLs) are ...