Now showing items 1-16 of 16

  • A generation method for arbitrary spatially-variant polaritzation 

    Schaschek, Fabian (Universitat Politècnica de Catalunya, 2011-09-07)
    Master thesis (pre-Bologna period)
    Open Access
    A new approach for the generation of arbitrary spatially-variant polarization of a light beam has been developed by manipulating vertical and horizontal field component of the optical signal individually in a Mach-Zehnder ...
  • Back Focal Plane Interferometry for Holographic Optical Traps 

    Martínez Llinàs, Jade (Universitat Politècnica de Catalunya, 2011-03-10)
    Master thesis
    Open Access
    English: Since its invention in 1986, optical trapping as a tool to manipulate microparticles non-invasively has found many applications in physics and biology. Force measurement on biomaterials is a potential application ...
  • Beam steering accuracy in holographic optical tweezers 

    Català i Castro, Frederic (Universitat Politècnica de Catalunya, 2013-09-10)
    Master thesis
    Open Access
    [ANGLÈS] The use of spatial light modulators (SLMs) to achieve dynamic control of optical tweezers is observed to provide subnanometer precision in single trap positioning. However, some features concerning the digitalized ...
  • Controlling 3D holographic contents by personal devices 

    Barroso Laguna, Axel (Universitat Politècnica de Catalunya, 2014-12)
    Master thesis (pre-Bologna period)
    Open Access
    Covenantee:  Politecnico di Torino
    [ANGLÈS] Foremost, this project explains the different sensors of a personal device (e.g. smartphone). After that, this study shows how to interact with holographic scenes. These scenes have been created by Blender. Blender ...
  • Estudio de los parámetros del filtro Weiner en Near-Field Acoustic Holography 

    Escuder, Eva; Alba, Jesús; Ramis, Jaime (Universitat Politècnica de Catalunya, 2007)
    Article
    Open Access
    Para estudiar el comportamiento acústico y vibratorio de una fuente sonora mediante imágenes reconstruidas con la técnica Near-Field Acoustic Holography (NAH) a partir de medidas experimentales de presión acústica, resulta ...
  • Generation of atmospheric wavefronts using binary micromirror arrays 

    Anzuola, Esdras; Belmonte Molina, Aniceto (2016-04-10)
    Article
    Open Access
    To simulate in the laboratory the influence that a turbulent atmosphere has on light beams, we introduce a practical method for generating atmospheric wavefront distortions that considers digital holographic reconstruction ...
  • Hologramas multipresenciales en 3D con Kinect 

    Sánchez Sanabria, José Miguel (Universitat Politècnica de Catalunya, 2012-07-26)
    Bachelor thesis
    Restricted access - author's decision
    El dispositivo de Microsoft Kinect se utiliza normalmente para videojuegos (Xbox360) pero también se puede programar para darle una utilidad deseada según sus funciones. Esto se consigue con el SDK de Microsoft para Windows ...
  • Holographic shared experiences 

    Tortosa Ortiz-Villajos, Sergi (Universitat Politècnica de Catalunya, 2017-06)
    Bachelor thesis
    Open Access
    Con la aparición de las Hololens, el dispositivo de realidad mezclada de Microsoft, nace la posibilidad de aplicar esta tecnología en una gran variedad de áreas y tipos de proyectos. Para poder aprovechar el máximo esta ...
  • Imaging Nanometer Phase Coexistence at Defects During the Insulator−Metal Phase Transformation in VO2 Thin Films by Resonant Soft X‑ray Holography 

    Vidas, Luciana; Günther, Christian M.; Miller, Timothy A.; Pfau, Bastian; Perez-Salinas, Daniel; Martínez, Elías; Schneider, Michael; Guehers, Erik; Gargiani, Pierluigi; Valvidares, Manuel; Marvel, Robert E.; Hallman, Kent A.; Haglund, Richard F.; Eisebitt, Stefan; Wall, Simon (ACS, 2018-05-16)
    Article
    Open Access
    We use resonant soft X-ray holography to image the insulator−metal phase transition in vanadium dioxide with element and polarization specificity and nanometer spatial resolution. We observe that nanoscale inhomogeneity ...
  • Measeurement of intermal strain/shape fields by means of holografy 

    Castro Abadía, Carlos (Universitat Politècnica de Catalunya / University of Aberdeen, 2009)
    Master thesis (pre-Bologna period)
    Open Access
    The goal of the project is the verification of the evaluation method published by Dändliker. This includes the implementation of his Finite Difference Method as a computer program as well as the measurement of the surface ...
  • Measurement of holographic trap positioning 

    Domínguez Álvarez, Noemí (Universitat Politècnica de Catalunya, 2014-09-09)
    Master thesis
    Open Access
    [ANGLÈS] Dynamic control and precise optical trap positioning are possible with spatial light modulators in holographic optical tweezers. In this work, we deeply study the error induced in trap positioning by a mismatch ...
  • Multi mode fiber imaging for endoscopy applications 

    Maestre Morote, Marcos (Universitat Politècnica de Catalunya, 2019-07)
    Master thesis
    Restricted access - confidentiality agreement
  • Optical techniques for information security 

    Matoba, Osamu; Nomura, Takanori; Pérez Cabré, Elisabet; Millán Garcia-Varela, M. Sagrario; Javidi, Bahram (2009-06)
    Article
    Restricted access - publisher's policy
  • Spatially variant polarized beams with tailored profiles 

    Maluenda Niubó, David (Universitat Politècnica de Catalunya, 2012-09-10)
    Master thesis
    Open Access
    [ANGLÈS] A new approach for the generation of spatially-variant polarized beams has been developed by manipulating vertical and horizontal field component of the optical signal individually in a Mach-Zehnder interferometric ...
  • Ultrasensitive Label-Free Nanosensing and High-Speed Tracking of Single Proteins 

    Liebel, Matz; Hugall, James T.; Hulst, Niek F van (ACS, 2016-01-17)
    Article
    Open Access
    : Label-free detection, analysis, and rapid tracking of nanoparticles is crucial for future ultrasensitive sensing applications, ranging from understanding of biological interactions to the study of size-dependent ...
  • Video-based calibration of holographic optical traps 

    Treptow, Dorian (Universitat Politècnica de Catalunya, 2011-09-08)
    Master thesis (pre-Bologna period)
    Open Access
    Holographic optical tweezers give the possibility to dynamically generate multiple optical traps in arbitrary numbers and forms. This work investigates the implementation of the step response calibration method for a ...