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Listar por palabra clave "Polarization"

Mostrando ítems 1-20 de 36

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A polarized fast radio burst at low Galactic latitude

Ardid Ramírez, Miguel; Felis-Enguix, Iván; Martínez Mora, Juan Antonio; Saldaña-Coscollar, María; Petroff, E.; Burke-Spolaor, S.; Keane, E. F.; McLaughlin, M.A.; Miller, R.; Andreoni, I.; Bailes, M.; Barr, E.D.; Bernard, S.R.; Bhandari, S.; Bhat, N.D.R. (Oxford University Press (OUP), 2017-08-21)

[EN] We report on the discovery of a new fast radio burst (FRB), FRB 150215, with the Parkes radio telescope on 2015 February 15. The burst was detected in real time with a dispersion measure (DM) of 1105.6 ± 0.8 pc cm-3;3, ...
Analogue of the quantum hanle effect and polarization conversion in non-hermitian plasmonic metamaterials

Ginzburg, Pavel; Rodríguez Fortuño, Francisco José; Martínez Abietar, Alejandro José; Zayats, Anatoly V. (American Chemical Society, 2012-12)

The Hanle effect, one of the first manifestations of quantum theory introducing the concept of coherent superposition between pure states, plays a key role in numerous aspects of science varying from applicative spectroscopy ...
Antena de haz fijo dual en polarización para aplicaciones de alta ganancia en la banda de milimétricas

Eleno García, Javier (Universitat Politècnica de València, 2024-09-26)

[ES] Se propone una antena dual en polarización constituida por dos conjuntos de ranuras, uno para cada polarización. Las ranuras de cada conjunto son ortogonales y comparten la misma superficie, que es alimentada por dos ...
Brillouin-Induced Dynamic Arbitrary Birefringence

Samaniego-Riera, Diego; Zoireff, Gustavo; Vidal Rodriguez, Borja (Institute of Electrical and Electronics Engineers, 2021-04-01)

[EN] A nonlinear method to generate and control both the type and magnitude of the birefringence, as well as differential group delay (DGD) in optical fibers is studied. Experiments show that both parameters of birefringence ...
Chroma key visual feedback based on non-retroreflective polarized reflection in retroreflective screens

Vidal Rodriguez, Borja (Institute of Electrical and Electronics Engineers (IEEE), 2012-03)

A technique to provide immersive feedback on TV and video production studios employing chroma key video segmentation systems is analysed and demonstrated. The technique exploits the observation that polarized light is ...
Contribution of the flowing conditions to the galvanic corrosion of the copper/AISI 316L coupling in highly concentrated LiBr solutions

Sánchez Tovar, Rita; Montañés Sanjuan, María Teresa; García Antón, José (Elsevier, 2013-03)

The galvanic corrosion of copper/AISI 316L stainless steel couples has been studied under different temperatures and flowing conditions in heavy LiBr brines. The mixed potential theory, zero-resistance ammeter and weight ...
Correlations between acoustic and electrochemical measurements for metallic corrosion on steel strings used in guitars

López Muelas, José Luis; Bonastre Cano, José Antonio; Segura Alcaraz, Jorge Gabriel; Gadea Borrell, José Mª; Juliá Sanchis, Ernesto; Cases Iborra, Francisco Javier (Elsevier, 2015-11)

The corrosion state of steel guitar strings and their morphology were evaluated according to exposure time to artificial human sweat solution. The instantaneous corrosion rate was evaluated using polarization resistance. ...
Corrosion behaviour of micro-plasma arc welded stainless steels in H3PO4 under flowing conditions at different temperatures

Sánchez Tovar, Rita; Montañés Sanjuan, María Teresa; García Antón, José; Guenbour, A.; Ben Bachir, A. (Elsevier, 2011-04)

[EN] This paper studies the general corrosion behaviour of the micro-plasma arc welded AISI 316L stainless steel in phosphoric acid at different temperatures (25-60°C) and at a Reynolds number of 1456. Galvanic corrosion ...
Directive excitation of guided electromagnetic waves through polarization control

Carbonell Olivares, Jorge; Rodríguez Fortuño, Francisco José; Díaz Rubio, Ana; Martínez Abietar, Alejandro José; Cervera Moreno, Francisco Salvador; Sánchez-Dehesa Moreno-Cid, José (American Physical Society, 2014-04)

Experimental evidence is reported on the control of the directionality of guided electromagnetic microwaves by the polarization of the exciting wave. Experiments are conducted using a two-dimensional waveguide made of ...
Diseño de circuito de estabilización del punto de polarización en moduladores ópticos

Ferrer Trénor, Santiago (Universitat Politècnica de València, 2022-09-27)

[ES] Este proyecto nace de la necesidad de la empresa DAS Photonics S.L. de diseñar un circuito de estabilización para el punto de polarización en moduladores ópticos. El autor de este documento ha realizado sus prácticas ...
DISEÑO E INTEGRACIÓN DE UN RADIOENLACE EN IQLINK

Abou Hamed Mansur, Rami (Universitat Politècnica de València, 2022-10-14)

[ES] Este proyecto se realiza con la idea de explicar el procedimiento de diseño, simulación e integración de un radioenlace entre dos emplazamientos solicitado por un operador de telefonía móvil. Para ello se necesita ...
Dynamic Filtering of Microwave Signals Through Brillouin-Based Polarization-Sensitive Balanced Detection

Zoireff, Gustavo; Samaniego, Diego; Vidal Rodriguez, Borja (Institute of Electrical and Electronics Engineers, 2021-04)

[EN] A new photonic technique to implement both stopband and passband microwave filters is presented and demonstrated. The principle of operation relies on controlling the state of polarization of the band of interest using ...
Effect of different micro-plasma arc welding (MPAW) processes on the corrosion of AISI 316L SS tubes in LiBr and H3PO4 solutions under flowing conditions

Sánchez Tovar, Rita; Montañés, Maria-Teresa; Garcia-Anton, Jose (Elsevier, 2010)

[EN] This work studies the corrosion under flowing conditions of four kinds of AISI 316L materials welded by the micro-plasma arc welding technique in different media: a basic (LiBr) and an acidic (H3PO4) solution by means ...
Effect of the environment on wear ranking and corrosion of biomedical CoCrMo alloys

Igual Muñoz, Anna Neus; Mischler, Stefano (SPRINGER, 2011)

[EN] The corrosion behaviour and the wear ranking of biomedical high carbon (HC) and low carbon (LC) CoCrMo alloys sliding against an alumina ball in four different simulated body fluids [NaCl and phosphate buffered solutions ...
Effect of the micro-plasma arc welding technique on the microstructure and pitting corrosion of AISI 316L stainless steels in heavy LiBr brines

Sánchez Tovar, Rita; Montañés Sanjuan, María Teresa; García Antón, José (Elsevier, 2011-08)

The effects of the micro-plasma arc welding technique on the microstructure and pitting corrosion of different zones of an AISI 316L stainless steel were studied using different microscopy and electrochemical techniques. ...
Fluid Dynamic Modeling of Oxygen Permeation through Mixed Ionic-Electronic Conducting Membranes

Gozálvez-Zafrilla, José M.; Santafé Moros, María Asunción; Escolástico Rozalén, Sonia; Serra Alfaro, José Manuel (ELSEVIER SCIENCE BV, 2011-08-15)

[EN] The oxygen transport in a lab-scale experimental set-up for permeation testing of oxygen transport membranes has been modeled using computational fluid dynamics using Finite Element Analysis. The modeling considered ...
Harnessing prion-inspired amyloid self-assembly for sustainable and biocompatible proton conductivity

Navarro, Susana; Andrio, A.; Diaz-Caballero, Marta; Ventura, Salvador; Compañ, Vicente (Royal Society of Chemistry, 2024-05-14)

[EN] Protein-based materials have emerged as promising candidates for proton-conducting biomaterials. Therefore, drawing inspiration from the amino acid composition of prion-like domains, we designed short self-assembling ...
Influence of pH on the electrochemical behaviour of a duplex stainless steel in highly concentrated LiBr solutions

Guiñón Pina, Virginia; Igual Muñoz, Anna Neus; García Antón, José (Elsevier, 2011-02)

[EN] The objective is to study the influence of pH on the corrosion and passive behaviour of duplex stainless steels (DSS) using potentiodynamic measurements, potentiostatic tests and electrochemical impedance spectroscopy ...
Influence of Temperature on the Corrosion Behaviour and on the Hydrogen Evolution Reaction on Nickel and Stainless Steels in LiBr Solutions

Guiñón Pina, Virginia; Igual Muñoz, Anna Neus; García Antón, José (Electrochemical Science Group, 2011)

[EN] The effects of temperature and hydrogen generation on the passive behaviour of nickel, austenitic and duplex stainless steels are investigated in lithium bromide aqueous solution (992 g/l) by Open Circuit Potential ...
Journalists' Ethical Responsibility: Tackling Hate Speech Against Women Politicians in Social Media Through Natural Language Processing Techniques

Iranzo-Cabrera, M.; Castro-Bleda, Maria Jose; Simon-Astudillo, I.; Hurtado Oliver, Lluis Felip (SAGE Publications, 2024-08)

[EN] Social media has led to a redefinition of the journalist's role. Specifically on Twitter, these professionals assume an influential position and their discourse is dominated by personal opinions. Taking into consideration ...