Exploració per tema "Optical properties"
Ara es mostren els items 1-18 de 18
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A viscosity-mediated model for relating gloss and film thickness of coatings
(2019-01-01)
Article
Accés obertFilm thickness determines many key coating properties including gloss. However, current literature hardly addresses the development of methods to directly correlate film thickness with gloss. Thus, the lack of accurate ... -
Aerosol stratification characterization of an astronomical site by means of a backscatter lidar at the Roque de los Muchachos Observatory
(2009)
Text en actes de congrés
Accés obertThe Roque de los Muchachos Observatory, located on the island of La Palma in the Canary Islands, is home of many astronomical facilities. In the context of the Extremely Large Telescope Design Study, an intensive lidar ... -
Colour and technology in historic decorated glazes and glasses
(Universitat Politècnica de Catalunya, 2014-05-09)
Tesi
Accés obertHistorical decorated glass and glazed ceramics are studied with the object to determine the technology of production and to relate it with the optical properties (colour, shine, opacity). Four different case of study are ... -
Earlinet - lidar algorithm intercomparison
(2001-01)
Article
Accés obert -
Estudio del comportamiento óptico de pieles utilizando técnicas de Monte Carlo
(Universitat Politècnica de Catalunya. CIMNE, 2015)
Article
Accés obertUno de los principales retos en óptica biomédica y en biofotónica es la simulación de la propagación de la luz en los tejidos biológicos. El método de Monte Carlo es la aproximación más empleada, y se puede afirmar que ... -
Experimental study of speckle patterns generated by low-coherence semiconductor laser light
(Institute of Physics (IOP), 2020-06-01)
Article
Accés obertSpeckle is a wave interference phenomenon that has been studied in various fields, including optics, hydrodynamics, and acoustics. Speckle patterns contain spectral information of the interfering waves and of the scattering ... -
Log-periodic optical antennas
(Universitat Politècnica de Catalunya, 2011-09-07)
Projecte Final de Màster Oficial
Accés obertEnglish: In recent years optical antennas have been attracting very strong interest due to the unique possibilities they offer for manipulating light on a sub-wavelength scale. Most published work deals with relatively ... -
Nonlinearity-mediated soliton ejection from trapping potentials in nonlocal media
(2010-08-30)
Article
Accés obertWe address the properties of optical solitons in thermal nonlinear media with a local refractive index defect that is capable to trap solitons launched even close to the sample boundary despite the boundary-mediated ... -
Optical properties of BaTiO3: determination of the absorption coefficient and its correlation with the material photo-response
(Universitat Politècnica de Catalunya, 2020-11-26)
Projecte Final de Màster Oficial
Accés obertThe photocontrol of ferroelectric properties has recently attracted notable attention as an effective alternative methodology to electric polarization switching. Specifically, it has been reported that macroscopic polarization, ... -
Performance characterization of mid-infrared difference-frequency-generation in orientation-patterned gallium phosphide
(OSA, 2018-02-08)
Article
Accés obertWe present a detailed characterization of the optical properties of the recently developed nonlinear material, orientation-patterned gallium phosphide (OP-GaP), by performing difference-frequency-generation experiments in ... -
Simultaneous gettering and emitter formation in multicrystalline-Si wafers by annealing phosphorus doped amorphous silicon compounds
(2011-01-10)
Article
Accés restringit per política de l'editorialWe demonstrate gettering of metal impurities in p-type multicrystalline silicon (mc-Si) wafers by annealing wafers that are surface passivated by double layers of amorphous silicon-based compounds acting as gettering sites. ... -
Spatiotemporal evolution of a severe winter dust event in the western Mediterranean: Aerosol optical and physical properties
(2017-05-16)
Article
Accés obertAn outstanding Saharan dust event affected the Iberian Peninsula during winter 2016 (20 to 25 February). The impact of this event on ambient PM10 surface levels and its spatial and temporal evolution was investigated by ... -
Study of a thiophene-based polymer for optoelectronic applicartions
(2006-01)
Article
Accés restringit per política de l'editorialA thiophene-based conjugated polymer bearing a cyano group (–CN) as a side chain substituent was successfully synthesized. The polymer evidences an excellent filmability from various organic solvents as well as an enhanced ... -
Study of the effect of lignin to a nanocellulose film
(Universitat Politècnica de Catalunya, 2019-06-10)
Treball Final de Grau
Accés obertCellulose is the most common material in nature, that is mostly used in the production of paper. Studies with this product have developed a series of sub products that have interesting properties in a variety of applications. ... -
Technology of production of polychrome lustre
(Elsevier, 2014-09-01)
Article
Accés restringit per política de l'editorialLustre is a decoration consisting of a few hundreds of nanometres thick surface layer of silver and copper metal nanoparticles incorporated into the glaze. Polychrome lustreware with several combinations of colours and ... -
Technology of production of Syrian lustre (11th to 13th century)
(Elsevier, 2018-07-01)
Article
Accés obertLustre is a decoration consisting of a surface layer of silver and copper metal nanoparticles, a few hundreds of nanometres thick and incorporated into the glaze. It shows a colourful metallic and iridescent appearance ... -
Temporal consistency of lidar observations during aerosol transport events in the framework of the ChArMEx/ADRIMED campaign at Minorca in June 2013
(2016-03-04)
Article
Accés obertWe performed synergetic daytime and nighttime active and passive remote-sensing observations at Minorca (Balearic Islands, Spain), over more than 3 weeks during the Chemistry-Aerosol Mediterranean Experiment/Aerosol Direct ... -
Validation of a gonio-hyperspectral imaging system based on light-emitting diodes for the spectral and colorimetric analysis of automotive coatings
(Optical Society of American (OSA), 2017-09-01)
Article
Accés obertIn this study, a novel gonio-hyperspectral imaging system based on light-emitting diodes for the analysis of automotive coatings was validated colorimetrically and spectrally from 368 to 1309 nm. A total of 30 pearlescent, ...