Browsing by Subject "Optical detectors"

Now showing items 1-20 of 75

    • 3D Pose Estimation of Visual Markers 

      Badal Regàs, Antonio (Universitat Politècnica de Catalunya, 2015-02-20)
      Bachelor thesis
      Open Access
      Covenantee:   Technische Universität Wien
      [ANGLÈS] The aim of this project is to understand, analyze, but also improve a computer vision software based on ARToolKitPlus. With a camera, this software looks for a visual marker (ARTag) and locates it in the space, ...

    • A Highest order hypothesis compatibility test for monocular SLAM 

      Guerra Paradas, Edmundo; Munguía Alcalá, Rodrigo Francisco; Bolea Monte, Yolanda; Grau Saldes, Antoni (2013-08)
      Article
      Open Access
      Simultaneous Location and Mapping (SLAM) is a key problem to solve in order to build truly autonomous mobile robots. SLAM with a unique camera, or monocular SLAM, is probably one of the most complex SLAM variants, based ...

    • A method to stabilise the performance of negatively fed KM3NeT photomultipliers 

      Adrian Martinez, Silvia; Ageron, M.; Aiello, S; Albert, A.; Ameli, F; Anassontzis, E.G.; André, Michel (2016-12-19)
      Article
      Open Access
      The KM3NeT research infrastructure, currently under construction in the Mediterranean Sea, will host neutrino telescopes for the identification of neutrino sources in the Universe and for studies of the neutrino mass ...

    • An architecture analysis for millimeter-wave optically steerable antenna array 

      Ballesteros Sánchez, Christian; Maestre, Marcos; Santos Blanco, M. Concepción; Romeu Robert, Jordi; Jofre Roca, Lluís (Institute of Electrical and Electronics Engineers (IEEE), 2019)
      Conference lecture
      Restricted access - publisher's policy
      A lens-based integrated photodiode-antenna array for a Radio over Fiber (RoF) 5G wireless base station at millimeter-wave frequencies is proposed and analyzed. The elements of the array are based on slot bow-tie antennas ...

    • An overview of lidar imaging systems for autonomous vehicles 

      Royo Royo, Santiago; Ballesta Garcia, Maria (Multidisciplinary Digital Publishing Institute, 2019-10-01)
      Article
      Open Access
      Lidar imaging systems are one of the hottest topics in the optronics industry. The need to sense the surroundings of every autonomous vehicle has pushed forward a race dedicated to deciding the final solution to be ...

    • Architecture and performance of the KM3NeT front-end firmware 

      Aiello, S; Albert, Arnauld; Alves Garre, Sergio; Zineb, Aly; Ameli, Fabrizio; André, Michel; Androulakis, Giorgos; Anghinolfi, Marco; Anguita, M.; Anton, Gisela (International Society for Photo-Optical Instrumentation Engineers (SPIE), 2021-01-01)
      Article
      Open Access
      The KM3NeT infrastructure consists of two deep-sea neutrino telescopes being deployed in the Mediterranean Sea. The telescopes will detect extraterrestrial and atmospheric neutrinos by means of the incident photons induced ...

    • Atmospheric neutrinos with the first KM3NeT/ORCA data and prospects for measuring the atmospheric neutrino flux 

      Stavropoulos, Dimitris; Pestel, Valentin; Aly, Zineb; Tzamariudaki, Ekaterini; Markou, Christos; Ageron, M.; Aiello, S; Albert, Arthur; Alshamsi, Mohammed; Alves Garre, Sergio; Ambrosone, Antonio; Ameli, Fabrizio; André, Michel; Androulakis, Giorgos; Anghinolfi, Marco (arXiv, 2021)
      Conference report
      Open Access
      KM3NeT is a research infrastructure aiming to study astrophysical sources as well as to perform particle physics studies, through the detection of neutrinos in the abyssal depths of the Mediterranean Sea. The KM3NeT/ORCA ...

    • Compact device for CO2 optical sensign using macroporous silicon photonic crystals 

      Vega, Didac; Rodríguez Martínez, Ángel; Calavia, Raül; Vilanova, Xavier; Todorov Trifonov, Trifon (Institute of Electrical and Electronics Engineers (IEEE), 2015)
      Conference report
      Restricted access - publisher's policy
      A photonic crystal based on a macroporous silicon structure has been fabricated and successfully used for the detection of carbon dioxide. In this paper, the device and the measurement results are presented. The sensing ...

    • Compact optoantennas for millimeter-wave wireless applications 

      Higón Sorribes, José Miguel (Universitat Politècnica de Catalunya, 2020-11-27)
      Master thesis
      Open Access
      Nowadays there are a lot of applications that request high bandwidth (due to the data that they transport) and high speed of transmission , for example, 5G technology or Video-based applications. The use of photonic systems ...

    • Deep-sea deployment of the KM3NeT neutrino telescope detection units by self-unrolling 

      Aiello, S; Albert, Andreas; Alves Garre, Sergio; Ameli, F; Anassontzis, E.G.; André, Michel; Androulakis, Giorgos; Anghinolfi, Marco; Anguita, M.; Anton, Gisela; Ardid Ramírez, Miguel; Aublin, J.; Bagatelas, Christos (2020-11-19)
      Article
      Open Access
      KM3NeT is a research infrastructure being installed in the deep Mediterranean Sea. It will house a neutrino telescope comprising hundreds of networked moorings—detection units or strings—equipped with optical instrumentation ...

    • Dependence of atmospheric muon flux on seawater depth measured with the first KM3NeT detection units The KM3NeT Collaboration 

      Ageron, M.; Aiello, S; Ameli, F; André, Michel; Androulakis, Giorgos; Anghinolfi, Marco; Anton, Gisela; Ardid Ramírez, Miguel; Aublin, J.; Bagatelas, Christos; Barbarino, G.C.; Bertin, Vincent; Bouwhuis, M.C.; Puricelli, Stefano; Chau, Nearkasen; Cherubini, Silvio; Coniglione, R.; D'Amico, Antonio; Fermani, P.; Lamare, P.; Mannheim, Karl; Morganti, Michele; Pellegrino, Carlo; Piattelli, P.; Real, Del; Santangelo, A; Sharma, Aniruddh; Tingay, S. J.; Trovato, A.; Zaborov, D. (springer-Verlag, 2020-02-06)
      Article
      Open Access
      KM3NeT is a research infrastructure located in the Mediterranean Sea, that will consist of two deep-sea Cherenkov neutrino detectors. With one detector (ARCA), the KM3NeT Collaboration aims at identifying and studying ...

    • Desarrollo de sensores por reflexión 

      Carmona Domínguez, Dafne (Universitat Politècnica de Catalunya, 2015-06)
      Bachelor thesis
      Restricted access - author's decision
      Covenantee:   Kostal Eléctrica

    • Desenvolupament d'un sistema de control i mesura de sensors integrats 

      Martínez Borràs, Juan Antonio (Universitat Politècnica de Catalunya, 2016-09-28)
      Master thesis (pre-Bologna period)
      Open Access
      The most currently used sensors for gas detection are those based in semiconductors. Apart from the features that make them suitable for the detection of gasses in the range of parts per million, their simplicity and ...

    • Desenvolupament d'una eina de processat de senyal per a dades espectrals 

      Garrido Luque, Oscar (Universitat Politècnica de Catalunya, 2009-01-21)
      Master thesis (pre-Bologna period)
      Open Access
      L’aigua és el recurs per viure més important del planeta Terra, cobrint més del 70% de la seva superfície. Concretament, els oceans representen més del 97% de l’aigua total del planeta i és on concentra el 99,5% del ...

    • Detección automática de personas mediante láser 2D y su aplicación a la robótica de servicios 

      Herrero Cotarelo, Fernando (Universitat Politècnica de Catalunya, 2012-05)
      Master thesis (pre-Bologna period)
      Open Access
      En el marco del proyecto europeo URUS (Ubiquitous Networking Robotics in Urban Settings [10][1]) el IRI (Institut de Robótica i Informática Industrial [11]) trabaja con plataformas robóticas móviles que cooperan con ...

    • Detection of unsupervised anomalies in light sensors. 

      Gras López, Sergio (Universitat Politècnica de Catalunya, 2023-02-13)
      Bachelor thesis
      Open Access
      Covenantee:   Giesecke & Devrient
      This project aims to investigate and create a solution to a problem that the company Giesecke & Devrient has in one of the quality control processes. The base of one of its products is made up of a metallic foil of a certain ...

    • Development of a setup to measure photoconductivity of GeSn 

      Roset i Julià, Laura (Universitat Politècnica de Catalunya, 2019-07-12)
      Bachelor thesis
      Open Access
      Covenantee:   École polytechnique fédérale de Lausanne
      Esta tesis se focaliza en el diseño y desarrollo de un equipo para mesurar la fotoconductividad del GeSn. El equipo consiste en una lámpara de halógeno y tungsteno, un monocromador, un espejo parabólico y un circuito óptico ...

    • Digital coherent transceiver for optical communications: from design to implementation 

      Anzuola Valencia, Esdras (Universitat Politècnica de Catalunya, 2012-02)
      Master thesis
      Open Access
      [ANGLÈS] In this project we analyze the theoretical models of optical coherent communication systems as well as the front-end arquitectures used to implement them. Key concepts as balanced photo detection and quantum limit ...

    • Dimensionless parameters for lidar performance characterization 

      Comerón Tejero, Adolfo; Agishev, Ravil R. (SPIE, 2014)
      Conference report
      Restricted access - publisher's policy
      A set of three dimensionless parameters is proposed to characterize lidar systems. Two of them are based on an asymptotic approximation of the output signal-to-noise ratio as a function of the input optical power reaching ...

    • Diseño de un spotter de SWIR 

      Oriol Gil Moreno De Mora, Jorge (Universitat Politècnica de Catalunya, 2019-02-06)
      Bachelor thesis
      Restricted access - author's decision
      El SWIR (Short Wave Infrarred) es la sección del infrarrojo más cercana a las longitudes de ondas visibles al ojo humano. Los recientes avances en la fabricación de sensores de ondas SWIR han abierto un enorme abanico de ...