Browsing by Subject "Optoelectronic devices"
Now showing items 1-20 of 33
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Acondicionadores de energía distribuidos en redes de paneles fotovoltaicos
(Universitat Politècnica de Catalunya, 2012-07-20)
Bachelor thesis
Open AccessActualmente existen gran variedad de aplicaciones que se alimentan gracias a pequeños sistemas fotovoltaicos. La potencia eléctrica que suministran los paneles fotovoltaicos varía en función de factores como la iluminación ... -
Análisis del funcionamiento de paneles fotovoltaicos y su utilización en las regiones de la costa y sierra del Ecuador. Caso de estudio: Biblioteca Pompeu Fabra de Mataró
(Universitat Politècnica de Catalunya, 2015-02-02)
Master thesis
Open AccessEste trabajo trata acerca del funcionamiento de la energía fotovoltaica en Ecuador, para lo cual se ha utilizado como caso de estudio la Biblioteca Pompeu Fabra de Mataró-España. Primero se realiza una breve revisión del ... -
Angular control of anisotropy-induced bound states in the continuum
(2019-11-01)
Article
Open AccessRadiation of leaky modes existing in anisotropic waveguides can be cancelled by destructive interference at special propagation directions relative to the optical axis orientation, resulting in fully bound states surrounded ... -
Caracterización de minipaneles fotovoltaicos con iluminación monocromática
(Universitat Politècnica de Catalunya, 2008-05-07)
Master thesis (pre-Bologna period)
Open AccessEn este trabajo se aborda el estudio y caracterización de células y paneles solares. El objetivo es conocer la respuesta de estos elementos fotovoltaicos al ser iluminados con luz monocromática, cuantificando los cambios ... -
Cavity-controlled radiative recombination of excitons in thin-film solar cells
(2009-12-07)
Article
Open AccessWe study the performance of photovoltaic devices when controlling the exciton radiative recombination time. We demonstrate that when high-quantum-yield fluorescent photovoltaic materials are placed within an optical cavity, ... -
Characterisation modelling and calibration of an electrothermal micromirror with 3DOF
(Universitat Politècnica de Catalunya, 2012)
Master thesis (pre-Bologna period)
Restricted access - author's decisionThe work presented as follows is the final project of my five years Industrial Engineering degree. It tries to make good use of the skills acquired along the degree as well as to learn new ones. The project is focused in ... -
Deposition and characterization of ultra thin metal films on rigid and flexible substrates for electro-optic devices
(Universitat Politècnica de Catalunya, 2010-09)
Master thesis (pre-Bologna period)
Restricted access - author's decisionActualmente, en la mayor parte de los dispositivos óptico-electrónicos, los electrodos transparentes están constituidos por óxidos, los Óxidos Transparentes Conductivos (TCOs). Éstos ofrecen buenas prestaciones eléctricas ... -
Design of an integrated coherent receiver with polarization diversity
(Universitat Politècnica de Catalunya, 2014-11-17)
Master thesis
Open Access[ANGLÈS] In this master thesis it has been designed a multimode interference device with great features, great bandwidth and strongly insensitive to hardware impairments. The device implements a 120º hybrid which may be ... -
Diseño de sistema de control de potencia y longitud de onda de un láser semiconductor
(Universitat Politècnica de Catalunya, 2016-10-14)
Master thesis (pre-Bologna period)
Open Access -
Dispositivos optoelectrónicos con grafeno para comunicaciones ópticas: guías ópticas de silicio y grafeno
(Universitat Politècnica de Catalunya, 2017-05)
Bachelor thesis
Open Access -
Disseny i desenvolupament d'una balisa lluminosa d'alta eficiència alimentada per energia solar
(Universitat Politècnica de Catalunya, 2016)
Master thesis (pre-Bologna period)
Open AccessWhen we talk about light beacons, the first image that come into our minds are these heavy, rounded and bulky devices, using plumb-based big batteries, placed in the middle of the dark of a highway or road; they point out ... -
Dynamic subcarrier allocation for multipoint-to-point optical connectivity
(Institute of Electrical and Electronics Engineers (IEEE), 2022)
Conference report
Open AccessA mathematical programming model is proposed to dynamically allocate subcarriers in the upstream direction of point-to-multipoint connections based on Digital Subcarrier Multiplexing. Numerical results show significant ... -
Espectroscopia de impedancias aplicada a dispositivos semiconductores
(Universitat Politècnica de Catalunya, 2016-10)
Master thesis (pre-Bologna period)
Open AccessEste proyecto consiste en el análisis y diseño de células solares de altas prestaciones de diferentes estructuras y características físicas, y otros dispositivos como un microcondensador de gran capacidad (supercondensador), ... -
Estudi de la tecnologia LED aplicada a l'enllumenat
(Universitat Politècnica de Catalunya, 2010-09)
Master thesis (pre-Bologna period)
Open Access -
Experimental investigation of 50-90 Gb/s IM-DD NOMA-CAP modulation for short range optical transmission applications
(Institute of Electrical and Electronics Engineers (IEEE), 2019)
Conference report
Restricted access - publisher's policyThe sensitivity performance of a NOMA-CAP system with a PIN-based receiver is experimentally assessed for short range transmission applications and different aggregated bit rates. Results show sensitivities better than ... -
Framing cutting-edge integrative deep-sea biodiversity monitoring via environmental DNA and optoacoustic augmented infrastructures
(Frontiers Media, 2022-01-12)
Article
Open AccessDeep-sea ecosystems are reservoirs of biodiversity that are largely unexplored, but their exploration and biodiscovery are becoming a reality thanks to biotechnological advances (e.g., omics technologies) and their integration ... -
Helico-conical optical beams self-heal
(2013-01)
Article
Open AccessAn optical beam is said to be self-healing when, distorted by an obstacle, the beam corrects itself upon propagation. In this Letter we show, through experiments supported by numerical simulations, that Helico-conical ... -
Hole-selective contacts by RF magnetron sputtering for silicon heterojunction solar cell structures
(Universitat Politècnica de Catalunya, 2017-06)
Bachelor thesis
Open AccessResearch in photovoltaic devices is focusing towards cost-effective technologies to compete with traditional energy sources. In this sense, silicon heterojunction (SHJ) solar cells have excelled owing to their high efficiency ... -
Image quality and security through nonlinear joint transform encryption
(IEEE Press, 2016)
Conference report
Open Access -
Implementación y evaluación de un espectroscopio óptico con guía de ondas
(Universitat Politècnica de Catalunya, 2022-02-08)
Master thesis
Restricted access - author's decisionEn este proyecto se expondrá el diseño, implementación y desarrollo de un espectroscopio óptico con guía de ondas, conocido como OWLS,”Optical Waveguide Lightmode Spectroscopy” y su posterior evaluación, realizando medidas ...
