Ara es mostren els items 21-40 de 72

    • Dispositius electrònics i fotònics : fonaments 

      Prat Viñas, Lluís; Calderer Cardona, Josep (Edicions UPC, 2006)
      Llibre
      Accés restringit als usuaris de la UB, UAB, UPC, UPF, UdG, UdL, URV, UOC, BC, UVic, UJI, URL, UIC
      L'obra presenta els fonaments físics i tecnològics en què es basen els dispositius electrònics actuals (propietats elèctriques i òptiques dels semiconductors, junció PN, contactes metall-semiconductor i tecnologia de ...
    • Dispositivos electrónicos y fotónicos : fundamentos 

      Prat Viñas, Lluís; Calderer Cardona, Josep (Edicions UPC, 2006)
      Llibre
      Accés restringit a la comunitat UPC
      En este libro se presentan los fundamentos físicos y tecnológicos de los dispositivos electrónicos actuales (propiedades eléctricas y ópticas de los semiconductores, unión PN, contactos metal-semiconductor y tecnología de ...
    • Disseny de dos circuits opto-electrònics desplaçadors de la longitud d'ona per xarxes d'accés per fibra òptica (FTTH) 

      Solé Sánchez, Víctor (Universitat Politècnica de Catalunya, 2012-11-21)
      Projecte/Treball Final de Carrera
      Accés obert
      [ANGLÈS] In this work it is presented the design and simulation of two different opto-electronic circuits to perform a wavelength shifting at optical network units (ONU) of Fiber To The Home (FTTH) networks. This significantly ...
    • Effect of molecular organization on the image histograms of polarization SHG microscopy 

      Psilodimitrakopoulos, Sotiris; Amat Roldán, Iván; Loza Álvarez, Pablo; Artigas García, David (2012)
      Article
      Accés obert
      Based on its polarization dependency, second harmonic generation (PSHG) microscopy has been proven capable to structurally characterize molecular architectures in different biological samples. By exploiting this polarization ...
    • Efficiency of complex modulation methods in coherent free-space optical links 

      Belmonte Molina, Aniceto; Kahn, Joseph M. (2010-02-15)
      Article
      Accés obert
    • Electrochromic self-electrostabilized polypyrrole films doped with surfactant and azo dye 

      Bayat, Maryam; Izadan, Hossein; Molina García, Brenda Guadalupe; Sánchez Jiménez, Margarita; Santiago Malagón, Sara; Senmani, Dariush; Dinari, Mohammad; Guirado, Gonzalo; Estrany Coda, Francesc; Alemán Llansó, Carlos (Multidisciplinary Digital Publishing Institute (MDPI), 2019-11)
      Article
      Accés obert
      Two azo dyes, acid red 1 (AR1) and acid red 18 (AR18), were used alone or in combination with sodium dodecyl sulfate (SDS) for the electropolymerization of a pyrrole monomer. Polypyrrole (PPy) showed higher redox capacity ...
    • Experimental investigation of a bistable system in the presence of noise and delay 

      Houlihan, J.; Goulding, D.; Busch, T.; Masoller Alonso, Cristina; Huyet, G. (2004-02-06)
      Article
      Accés obert
      We experimentally analyze the behavior of a non-Markovian bistable system with noise, using a vertical cavity surface emitting laser with time-delayed optoelectronic feedback. The effects of the delayed feedback are observed ...
    • Fabrication and charaterization of a GeSn single-photon avalanche photodetector for IR detection 

      Jamet Suria, Paul (Universitat Politècnica de Catalunya, 2020-06-29)
      Treball Final de Grau
      Accés restringit per acord de confidencialitat
    • Fabrication of c-Si microstructures through reorganization at high temperatures 

      Solà Garcia, Maria Magdalena (Universitat Politècnica de Catalunya, 2015-06)
      Treball Final de Grau
      Accés obert
      Silicon photonics has gained increasing interest in recent years as it promises high performance, cost-effective integrated optical devices. The advent of Si fabrication techniques at the micro and nano-scales, in conjunction ...
    • Fading return signals in lidar atmospheric sensing 

      Belmonte Molina, Aniceto (2013)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      We consider the role of both random media and target speckle in the lidar signal return for direct and heterodyne detection optical receivers. A statistical model is derived from the fundamental principles of atmospheric ...
    • Field conjugation adaptive arrays for reliable satellite downlink coherent laser communications 

      Belmonte Molina, Aniceto; Kahn, Joseph M. (2012)
      Text en actes de congrés
      Accés obert
      We analyze the performance of adaptive field conjugation array receivers in satellite downlink coherent laser communications. We consider coherent fiber arrays consisting of multiple subapertures, with each subaperture ...
    • Field conjugation adaptive arrays in atmospheric coherent optical links 

      Belmonte Molina, Aniceto; Kahn, Joseph M. (IEEE Press. Institute of Electrical and Electronics Engineers, 2010)
      Text en actes de congrés
      Accés obert
    • Field conjugation adaptive arrays in free-space coherent laser communications 

      Belmonte Molina, Aniceto; Kahn, Joseph M. (IEEE Press. Institute of Electrical and Electronics Engineers, 2011-11-01)
      Article
      Accés obert
      We analyze the performance of adaptive field conjugation array receivers in coherent laser communications through the turbulent atmosphere. We consider coherent fiber arrays consisting of densely packed multiple ...
    • FPGA based label processor for large scale optical packet switch node 

      Osers Benaim, Alan (Universitat Politècnica de Catalunya, 2011-09-09)
      Projecte/Treball Final de Carrera
      Accés obert
      Realitzat a/amb:   Technische Universiteit Eindhoven
      English: The Internet demand is leading us into the creation of faster and more efficient networks. At the present time the servers that hold the mayor part of the cloud are grouped in thousands inside clusters. A cluster ...
    • Gestió de l'energia captada per cel.les solars mitjançant interfícies commutades 

      Gómez-Valadés Maturano, Francisco José (Universitat Politècnica de Catalunya, 2008-07-07)
      Projecte/Treball Final de Carrera
      Accés obert
      La necessitat de distribuir sensors i sistemes d’adquisició de dades, per mesurar magnituds del medi on es troben, requereixen d’un sistema d’alimentació eficient que els hi permeti ser autònoms i estalviar costos ...
    • Influence of co-sputtered Ag:Al ultra-thin layers in transparent V2O5/Ag:Al/AZO hole-selective electrodes for silicon solar cells 

      Tom, Thomas; Ros Costals, Eloi; Asensi López, José Miguel; Andreu Batallé, Jordi; Bertomeu Balagueró, Joan; Puigdollers i González, Joaquim; Voz Sánchez, Cristóbal; López-Pintó, Nicolau (Multidisciplinary Digital Publishing Institute (MDPI), 2020-10-31)
      Article
      Accés obert
      As optoelectronic devices continue to improve, control over film thickness has become crucial, especially in applications that require ultra-thin films. A variety of undesired effects may arise depending on the specific ...
    • Interferometric lens-free microscopy of structured materials 

      Hägele, Sebastian (Universitat Politècnica de Catalunya, 2020-03)
      Projecte Final de Màster Oficial
      Accés restringit per acord de confidencialitat
      The lens-free interferometric microscope (?LIM?) developed at ICFO by Roland Terborg et al. offers a hybrid solution of differential interference contrast microscopy, interferometry and holography. It is an ultra-sensitive ...
    • LIDAR as an alternative to passive collectors to measure pesticide spray drift 

      Gregorio, Eduard; Rosell-Polo, Joan R.; Sanz Cortiella, Ricardo; Rocadenbosch Burillo, Francisco; Solanelles, Francesc; Garcerá, Cruz; Chueca, Patricia; Arnó, Jaume; Del Moral, Ignacio; Masip, Joan; Camp, Ferran; Viana, Rafarl; Escolà, Alexandre; Gràcia, Felip; Planas, Santiago; Moltó, Enrique (2014-01)
      Article
      Accés restringit per política de l'editorial
      Pesticide spray drift entails a series of risks and costs in terms of human, animal and environmental well-being. A proper understanding of this phenomenon is essential to minimise these risks. However, most conventional ...
    • Lidar with SiPM: some capabilities and limitations in real environment 

      Agishev, Ravil; Comerón Tejero, Adolfo; Bach, Jordi; Rodríguez Gómez, Alejandro Antonio; Sicard, Michaël; Riu Gras, Jordi; Royo Royo, Santiago (2013-07)
      Article
      Accés restringit per política de l'editorial
      The purpose of the work is to demonstrate real capabilities and to give examples of SiPMs application in lidar technology in both analog and photon counting modes. The experimental research within an operating lidar complex ...
    • Light scattering self-assembled nanostructures for optoelectronic devices 

      Grande, Adrián (Universitat Politècnica de Catalunya, 2018-06)
      Treball Final de Grau
      Accés restringit per decisió de l'autor
      Realitzat a/amb:   Karlsruher Institut für Technologie. Licht nutzen und erforschen