Showing 1 - 15 results of 15 for search '"optics"', query time: 0.05s Refine Results
  1. 1
    Article of investigation
    Imaging with an extended depth of field by means of the peacock eye optical element
    Por Barrera Ramírez, John Fredy; Henao Henao, Rodrigo; Jaroszewicz, Zbigniew; Mira Agudelo, Alejandro; Petelczyc, Krzysztof; Sypek, M.; Kolodziejczyk, A.
    Published in 2017
    Repositorio Repositorio UdeA

    “...ABSTRACT: The paper presents imaging properties of the peacock eye optical element. Its abilities...”
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  2. 2
    Article of investigation
    Limits of speed and distance in the transmission of information for an optical link of low cost with noise-free recovery
    Por Montoya Castro, Santiago Abelardo; Herrera Duran, Mauricio; Barrera Ramírez, John Fredy
    Published in 2017
    Repositorio Repositorio UdeA

    “... fiber optic network of low cost. The information to be transmitted is stored in a quick response code...”
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  3. 3
    Article of investigation
    Encriptación óptica empleando llaves Weierstrass-Mandelbrot
    Por Barrera Ramírez, John Fredy; Giménez Palomares, Fernando; Furlan, Walter D.; Tebaldi, Myrian; Bolognini, Néstor; Torroba, Roberto; Monsoriu, Juan A.
    Published in 2013
    Repositorio Repositorio UdeA

    Subjects: “...Optical data processing...”
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  4. 4
    Article of investigation
    Protección de datos usando un sistema experimental de encriptación de correlador de transformada conjunta
    Por Torroba, Roberto Daniel; Barrera Ramírez, John Fredy
    Published in 2015
    Repositorio Repositorio UdeA

    Subjects: “...Optical data processing...”
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  5. 5
    Article of investigation
    Sistema óptico de encriptación de doble máscara de fase bajo Arquitectura 4F
    Por Ríos Ocampo, Carlos Andrés; Rueda Muñoz, Edgar Alberto; Barrera Ramírez, John Fredy
    Published in 2010
    Repositorio Repositorio UdeA

    “...ABSTRACT: Nowadays the area of optical encryption of information concentrates the efforts of many...”
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  6. 6
    Article of investigation
    Talbot effect for periodical objects limited by finite apertures : a new interpretation
    Por Barrera Ramírez, John Fredy; Henao Henao, Rodrigo; Jaroszewicz, Zbigniew; Kolodziejczyk, Andrzej
    Published in 2005
    Repositorio Repositorio UdeA

    “... is equivalent to that formed in a proper optical system. Two possible optical arrangements are discussed...”
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  7. 7
    Article of investigation
    Encriptación óptica de información con recuperación libre de ruido
    Por Barrera Ramírez, John Fredy; Torroba, Roberto Daniel
    Published in 2015
    Repositorio Repositorio UdeA

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  8. 8
    Article of investigation
    Encriptación óptico-digital usando una arquitectura 4f
    Por Vargas Castrillón, Carlos Andrés; Barrera Ramírez, John Fredy; Torroba, Roberto Daniel
    Published in 2012
    Repositorio Repositorio UdeA

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  9. 9
    Article of investigation
    Distinguishing fine details by Fresnel domain diffraction
    Por Medina Estrada, Franciso Fernando; Barrera Ramírez, John Fredy; Garcia Sucerquia, Jorge Iván
    Published in 2004
    Repositorio Repositorio UdeA

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  10. 10
    Article of investigation
    Finite object Talbot effect as a lens produced image
    Por Barrera Ramírez, John Fredy; Henao Henao, Rodrigo; Kolodziejczyk, Andrzej
    Published in 2003
    Repositorio Repositorio UdeA

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  11. 11
    Article of investigation
    Multi-user multiplexed scheme for decoding modulated-encoded sequential information
    Por Mosso, Fabian; Tebladi, Myrian Cristina; Barrera Ramírez, John Fredy; Bolognini, Néstor Alberto; Torroba, Roberto Daniel
    Published in 2011
    Repositorio Repositorio UdeA

    “... different encrypting masks in the 4f optical setup for each user, and the same mask is employed for the user...”
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  12. 12
    Article of investigation
    Compensation of presbyopia with the light sword lens
    Por Mira Agudelo, Alejandro; Torres Sepúlveda, Walter; Barrera Ramírez, John Fredy; Henao Henao, Rodrigo; Blocki, Narcyz; Petelczyc, Krzysztof; Kolodziejczyk, Andrzej
    Published in 2016
    Repositorio Repositorio UdeA

    “...) for presbyopia compensation. The LSL is an axially asymmetric optical element designed for imaging with extended...”
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  13. 13
    Article of investigation
    Interference and diffraction effects generated by multiple apertures
    Por Quintero Arias, Orlando de Jesús; Barrera Ramírez, John Fredy; Henao Henao, Rodrigo; Medina Estrada, Franciso Fernando
    Published in 2004
    Repositorio Repositorio UdeA

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  14. 14
    Article of investigation
    Implementación de un filtro de muestreo como sensor de frente de onda tipo hartmann
    Por Mira Agudelo, Alejandro; Barrera Ramírez, John Fredy; Macías, Catalina
    Published in 2006
    Repositorio Repositorio UdeA

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  15. 15
    Article of investigation
    Filtro holográfico adaptado
    Por Barrera Ramírez, John Fredy; Serna Restrepo, Juan Humberto
    Published in 2009
    Repositorio Repositorio UdeA

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