Ara es mostren els items 1-20 de 20

  • 3D Aircraft Measurements 

    De La Hoz Hernandez, Clara (Universitat Politècnica de Catalunya, 2015-09)
    Treball Final de Grau
    Accés restringit per acord de confidencialitat
    Realitzat a/amb:  Institut Supérieur de l'Aéronautique et de l'Espace / ATR Aircraft
    Metrology has multiple applications in sectors other than the aerospace, such as automotive or energy. It is not only useful to make manufacturing processes more accurate, efficient, cost-effective and productive but also ...
  • A semi-automation procedure for dial comparators calibration 

    Garcia Benadí, Albert; Shariat Panahi, Shahram; Río Fernandez, Joaquín del; Manuel Lázaro, Antonio (2009)
    Text en actes de congrés
    Accés restringit per política de l'editorial
    In this article an improvement of a calibration process of measurement equipment in the field of dimensional metrology is presented. Devices under calibration process are dial comparators. The semi-automated process is ...
  • Application of matched digital filters to noisy fringe-patterns from complex wavefronts 

    Caum Aregay, Jesús; Arasa Marti, Jose; Royo Royo, Santiago; Ares Rodríguez, Miguel (Proc.SPIE Press, 2005-06-13)
    Article
    Accés obert
  • Binocular open-view system to perform estimations of aberrations and scattering in the human eye 

    García Guerra, Carlos Enrique; Aldaba Arévalo, Mikel; Pujol Ramo, Jaume; Arjona Carbonell, Mª Montserrat (2015-11-10)
    Article
    Accés obert
    We present a system that integrates a double-pass (DP) instrument and a Hartmann-Shack (HS) wavefront sensor to provide information not only on aberrations, but also on scattering occurring in the human eye. A binocular ...
  • Calibratges en metrologia 

    Surroca i Torrents, Jordi (Universitat Politècnica de Catalunya, 2007-06)
    Projecte/Treball Final de Carrera
    Accés obert
    El plantejament bàsic del projecte és el de crear una eina útil i versàtil per tal d’agilitzar els treballs de calibratge. Un calibratge no deixa de ser una tasca manual que realitza un operari, per tant, es pretén crear ...
  • Current Developments on Optical Feedback Interferometry as an All-Optical Sensor for Biomedical Applications 

    Perchoux, Julien; Quotb, Adam; Atashkhooei, Reza; Azcona Guerrero, Francisco Javier; Ramírez Miquet, Evelio E.; Bernal, Olivier; Jha, Ajit; Luna Arriaga, Antonio; Yáñez Alvarado, Carlos René; Caum Aregay, Jesús; Bosch, Thierry; Royo Royo, Santiago (2016-05-13)
    Article
    Accés obert
    Optical feedback interferometry (OFI) sensors are experiencing a consistent increase in their applications to biosensing due to their contactless nature, low cost and compactness, features that fit very well with current ...
  • Design of adaptative digital filters for phase extraction in complex fringe patterns obtained using the Ronchi test 

    Caum Aregay, Jesús; Arasa Marti, Jose; Royo Royo, Santiago; Ares Rodríguez, Miguel (2012-02-15)
    Article
    Accés obert
  • Effect of atmospheric anisoplanatism on earth-to-satellite time transfer over laser communication links 

    Belmonte Molina, Aniceto; Taylor, Michael T.; Hollberg, Leo; Kahn, J. M. (2017-07-10)
    Article
    Accés obert
    The need for an accurate time reference on orbiting platforms motivates study of time transfer via free-space optical communication links. The impact of atmospheric turbulence on earth-to-satellite optical time transfer ...
  • Étude de précision de 3 differents systèmes de mesure en 3 dimensions 

    Camp García, Marc (Universitat Politècnica de Catalunya / Université du Québec. École de Technologie Supérieure, 2011)
    Projecte/Treball Final de Carrera
    Accés restringit per decisió de l'autor
    Le principal objectif de ce document est de faire une étude comparative de différents systèmes de mesure disponibles dans le marché actuellement. Dans la première partie du projet on va étudier la précision de chaque ...
  • Gestión de calibres para departamento de metrología 

    López Vega, Daniel (Universitat Politècnica de Catalunya, 2007-02)
    Projecte/Treball Final de Carrera
    Accés restringit per acord de confidencialitat
    Realitzat a/amb:  Seat
  • Impact of atmospheric anisoplanaticity on earth-to-satellite time transfer over laser communication links 

    Belmonte Molina, Aniceto; Taylor, Michael T.; Hollberg, Leo; Kahn, J. M. (International Society for Photo-Optical Instrumentation Engineers (SPIE), 2017)
    Text en actes de congrés
    Accés restringit per política de l'editorial
    The need for an accurate time and position reference on orbiting platforms motivates the study of time transfer over satellite optical communication links. The transfer of precise optical clock signals to space would benefit ...
  • Informe de calibració de balances 2015 

    Trillas i Gay, Enric (2015-02-06)
    Report de recerca
    Accés restringit per acord de confidencialitat
  • Metrologia 3D de superfícies extenses 

    Royo Royo, Santiago; Ares Rodríguez, Miguel; Riu Gras, Jordi; Panyella, David (2014-04-15)
    Article
    Accés obert
  • Nuevas líneas de trabajo en metrología óptica en el CD6 de la UPC 

    Royo Royo, Santiago; Arasa Marti, Jose; Ares Rodríguez, Miguel; Atashkhooei, Reza; Azcona Guerrero, Francisco Javier; Caum Aregay, Jesús; Riu Gras, Jordi; Sergievskaya, Irina; Suc, Vicent (2009)
    Text en actes de congrés
    Accés obert
  • One-shot focusing using the entropy as a merit function 

    Suc, Vicent; Royo Royo, Santiago; Jordan, Andres; Bakos, G.; Penev, K. (2012-09-01)
    Article
    Accés obert
  • Optical metrology techniques harness structured light beams 

    Rosales Guzmán, Carmelo; Belmonte Molina, Aniceto; Pérez Torres, Juan (2017-03-08)
    Article
    Accés restringit per política de l'editorial
    This approach holds promise for advancing laser remote sensing, fluid dynamics and profilometry.
  • Optical metrology with structured light 

    Rosales Guzmán, Carmelo; Belmonte Molina, Aniceto; Pérez Torres, Juan (International Society for Photo-Optical Instrumentation Engineers (SPIE), 2016)
    Text en actes de congrés
    Accés restringit per política de l'editorial
    In this work we will review some of the novel applications, recently proposed, where the use of structured light has played a crucial role. First, in the field of laser remote sensing, we discuss about a technique that ...
  • RGBW LED light source for microscopy: Study and Design 

    Bermúdez Porras, Carlos (Universitat Politècnica de Catalunya, 2011-09-07)
    Projecte Final de Màster Oficial
    Accés restringit per decisió de l'autor
    English: The aim of this study is to investigate and improve an existing confocal and interferometric dual profiler system with a new light source able to provide both RGB signals for confocal imaging, phase shift ...
  • Speckle reduction in double-pass retinal images using variable-focus lenses 

    García Guerra, Carlos Enrique; Aldaba Arévalo, Mikel; Arjona Carbonell, Mª Montserrat; Pujol Ramo, Jaume (2015-01-01)
    Article
    Accés obert
    Speckle arises in double-pass images when coherent light is scattered by the retina. Since this noise degrades the images that are used to characterize the eye, there is special attention in reducing speckle when working ...
  • Stent optical inspection system calibration and performance 

    Bermúdez Porras, Carlos; Laguarta Bertran, Ferran; Cadevall Artigues, Cristina; Matilla, Aitor; Ibañez Ayala, Sergi; Artigas Pursals, Roger (Optical Society of American (OSA), 2017-03-20)
    Article
    Accés obert
    Implantable medical devices, such as stents, have to be inspected 100% so no defective ones are implanted into a human body. In this paper, a novel optical stent inspection system is presented. By the combination of a high ...