Now showing items 1-19 of 19

    • A new method for sea wave detection by using a speed log meter 

      Recolons Martos, Jaume; Torrents Dolz, Josep M. (2011)
      Conference report
      Restricted access - publisher's policy
      We present two different methods for measuring waves from the information provided by the speed log meter onboard. The first method processes data in the time domain, and is based in the measurement of the standard deviation ...
    • Analysis of beam wander effects for a horizontal-path propagating Gaussian-beam wave: focused beam case 

      Recolons Martos, Jaume; Andrews, L.C.; Phillips, R.L. (SPIE-INT SOCIETY OPTICAL ENGINEERING, 2007-08-31)
      Article
      Open Access
      Failure of the first-order Rytov approximation to properly predict the scintillation index of a large-aperture focused beam, or an uplink collimated (or focused) beam, has been discussed in several recent publications, ...
    • Aperture averaging effects on the probability density of irradiance fluctuations in moderate-to-strong turbulence 

      Vetelino, Frida Strömqvist; Young, Cynthia; Andrews, Larry; Recolons Martos, Jaume (Optical Society of America, 2007-04-30)
      Article
      Open Access
      The lognormal (LN) and gamma–gamma (GG) distributions are compared to simulated and experimental data of the irradiance fluctuations of a Gaussian beam wave propagating through the atmosphere along a horizontal path, ...
    • Aplicación del método variacional al análisis de sistemas de guías no paralelas 

      Recolons Martos, Jaume; Torner Sabata, Lluís (1989)
      Conference report
      Open Access
    • Campos electromagnéticos 

      Dios Otín, Víctor Federico; Artigas García, David; Comerón Tejero, Adolfo; Canal Bienzobas, Fernando; Recolons Martos, Jaume (Edicions UPC, 1998)
      Book
      Restricted access to the UPC academic community
      La presente obra pretende proporcionar al estudiante una base sólida de conocimientos y conceptos de teoría electromagnética, que le permita acceder posteriormente a la comprensión de otros temas más avanzados, como los ...
    • Campos electromagnéticos : problemas resueltos 

      Dios Otín, Víctor Federico; Artigas García, David; Canal Bienzobas, Fernando; Recolons Martos, Jaume (Edicions UPC, 2001)
      Book
      Restricted access to the UPC academic community
      Este libro está orientado a los estudiantes de Ingeniería que se introducen con un cierto rigor en el estudio de las ondas electromagnéticas. Contiene una cuidada selección de problemas, dividida en seis capítulos, y ...
    • Cálculo teórico de la relación señal a ruido en función del tamaño de la apertura receptora de un anemómetro láser doppler (LDA) 

      García Vizcaíno, David; Recolons Martos, Jaume; Dios Otín, Víctor Federico; Comerón Tejero, Adolfo (2004-09)
      Conference report
      Open Access
      From the expressions by Adrian and Earley (Proceeding of Minessota Symposium on Laser Anemometry, University of Minessota, Dept. of Conference, Minneapolis, 1976), we have calculated the signal-to-noise ratio of a Laser ...
    • Estudio teórico de una unión Y activa para aplicaciones en dispositivos de óptica integrada 

      Recolons Martos, Jaume; Torner Sabata, Lluís; Canal Bienzobas, Fernando (1988)
      Conference report
      Open Access
    • Guided to leaky mode transition in uniaxial optical slab waveguides 

      Torner Sabata, Lluís; Recolons Martos, Jaume; Pérez Torres, Juan (1993-10)
      Article
      Open Access
      The guided-to-leaky hybrid mode transition in slab optical waveguides made on uniaxial crystals such as LiNbO/sub 3/, or LiTaO/sub 3/, is analyzed. Two different guided-to-leaky transitions have been identified, namely the ...
    • Guided-to-leaky mode transition in uniaxial optical slab waveguides 

      Torner Sabata, Lluís; Recolons Martos, Jaume; Pérez Torres, Juan (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 1993-10-01)
      Article
      Open Access
      The guided-to-leaky hybrid mode transition in slab optical waveguides made on uniaxial crystals such as LiNbO3, or LiTaO 3, is analyzed. Two different guided-to-leaky transitions have been identified, namely the ordinary ...
    • Medida del perfil de velocidad de un líquido en un tubo de sección circular mediante un radar láser 

      García Vizcaíno, David; Recolons Martos, Jaume; Dios Otín, Víctor Federico; Comerón Tejero, Adolfo (2007-09)
      Conference report
      Open Access
      In this paper we present the measures of the profile or velocity gradient of a liquid (water) across a circular section pipe in laminar state, by means of a two-dimension laser radar system (2D-LDA) designed by the ...
    • Normalized parameters for Y-branch optical waveguides 

      Recolons Martos, Jaume; Torner Sabata, Lluís; Canal Bienzobas, Fernando (1991-05-01)
      Article
      Open Access
      Y-branch optical waveguides are analyzed in terms of normalized parameters by means of the usual modal analysis. With these parameters the number of variables of the problem is reduced, and universal plots for the mode ...
    • Observation of optical vortex streets in walking-second harmonic generation 

      Molina Terriza, Gabriel; Petrov, Dimitri; Recolons Martos, Jaume; Torner Sabata, Lluís (OPTICAL SOC AMER - (OSA), 2002-04-30)
      Article
      Open Access
    • Observation of optical vortex streets in walking-second harmonic generation 

      Molina Terriza, Gabriel; Dmitri, V Petrov; Recolons Martos, Jaume; Torner Sabata, Lluís (2002-04-15)
      Article
      Restricted access - publisher's policy
      We report what is believed to be the first experimental observation of spontaneous nucleation of arrays of optical vortices in the process of second-harmonic generation in a crystal with moderate Poynting vector walk-off, ...
    • Observation of the dynamical inversion of the topological charge of an optical vortex 

      Molina Terriza, Gabriel; Recolons Martos, Jaume; Pérez Torres, Juan; Torner Sabata, Lluís; Wright, Ewan M. (AMERICAN PHYSICAL SOC, 2001-07-31)
      Article
      Open Access
    • Reglas de escala para bifurcaciones en guías ópticas 

      Recolons Martos, Jaume; Torner Sabata, Lluís; Canal Bienzobas, Fernando (1990)
      Conference report
      Open Access
    • Temporal analysis of laser beam propagation in the atmosphere using computer-generated long phase screens 

      Dios Otín, Víctor Federico; Recolons Martos, Jaume; Rodríguez Gómez, Alejandro Antonio; Batet Torrell, Óscar (2008-02-04)
      Article
      Open Access
      Temporal analysis of the irradiance at the detector plane is intended as the first step in the study of the mean fade time in a free optical communication system. In the present work this analysis has been performed for a ...
    • The curious arithmetic of optical vortices 

      Molina Terriza, Gabriel; Recolons Martos, Jaume; Torner Sabata, Lluís (Optical Society of America, 2000-08-15)
      Article
      Open Access
      The superposition of noncoaxial light beams containing screw wave-front dislocations is shown to create light patterns with a richer vortex content than that given by the arithmetic of the topological charges of the ...
    • The curious arithmetic of optical vortices 

      Molina Terriza, Gabriel; Recolons Martos, Jaume; Torner Sabata, Lluís (2000-08-15)
      Article
      Restricted access - publisher's policy
      The superposition of noncoaxial light beams containing screw wave-front dislocations is shown to create light patterns with a richer vortex content than that given by the arithmetic of the topological charges of the ...