Results 31 to 40 of about 5,749 (159)
A fotónica como motor de desenvolvimento económico e social do século XXI [PDF]
, 2015 A luz, seja a do sol ou da lua, ou das estrelas, seja a dos pirilampos, a que sai do ecrã da televisão ou das lâmpadas da nossa sala, não só é um dos primeiros veículos de contacto com o mundo que nos rodeia como lhe acrescenta beleza e fascínio, em ...
Costa, Manuel F. M.
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Analysis of double-parallel amplified recirculating optical-delay lines [PDF]
, 1994 A novel method of analysis of double-parallel amplified recirculating optical-delay lines (DPAROD) is presented. The location of the maxima and the minima of the transfer function for this configuration is calculated and experimentally demonstrated.
Civera, Rafael +3 more
core +2 more sources
Advanced Optical Materials, Volume 14, Issue 7, 16 February 2026.This work dissects the ultrafast response of polydisperse plasmonic nanorods using two‐dimensional electronic spectroscopy, uniquely combining temporal and spectral resolution. Our ultrabroadband pulses cover both transverse and longitudinal nanorods’ resonances, revealing sub‐200‐fs dynamics and distinct broadening mechanisms.
Andrea Schirato +8 more
wiley +1 more source
Attosecond dispersive soft X-ray absorption fine structure spectroscopy in graphite [PDF]
, 2018 Phase transitions of solids and structural transformations of molecules are canonical examples of important photo-induced processes, whose underlying mechanisms largely elude our comprehension due to our inability to correlate electronic excitation with ...
Biegert, Jens +10 more
core +2 more sources
Chemical strengthening of float glasses: Effect of composition and structure
Journal of the American Ceramic Society, Volume 109, Issue 1, January 2026.Abstract Two silicate float glasses were considered in the present work: a typical clear soda lime silicate glass and a soda magnesia silicate glass. Both materials underwent chemical strengthening in KNO3, and a different behavior was pointed out in terms of potassium penetration and corresponding surface compression.
Vincenzo M. Sglavo +3 more
wiley +1 more source
L´entrevista: "El láser és un element estrany que la física ha proporcionat a l'enginyeria". [PDF]
, 2009 Entrevista a D. José Antonio Martín Pereda con motivo de su nombramiento como Doctor Honoris Causa por la Universidad Politécnica de Cataluña en ...
Martín Pereda, José Antonio
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Polymer Composites, Volume 46, Issue 13, Page 11965-11983, 10 September 2025.We followed the functionalization steps outlined in the figure to obtain carbon fibers (CFs) functionalized with branched polyethyleneimine (b‐PEI). The entire process was carried out under mild conditions, including plasma activation and low‐temperature heating, using an eco‐friendly solvent (water).
Edoardo Albertini +7 more
wiley +1 more source
Ultrafast sub-nanometer matter-wave temporal Talbot effect
New Journal of Physics, 2021 The coherent manipulation of the electron wavefunction at the atomic spatial and temporal scales is the fundamental breakthrough underlying far-reaching ultrafast phenomena as high-order harmonic radiation and attosecond pulse generation.
Ana García-Cabrera +2 more
doaj +1 more source
Spectroscopic Approach for the On-Line Monitoring of Welding of Tanker Trucks
Applied Sciences, 2022 The appearance of defects during the manufacture of tanker trucks via arc-welding is a significant problem in the industry. A reliable low-cost and non-destructive on-line method could aid the discovery of solutions to overcome productivity problems ...
Jose J. Valdiande +4 more
doaj +1 more source
Algúns conceptos básicos de radiometría e fotometría [PDF]
, 2013 Titulación: Licenciatura de Física -- Materia: Dispositivos OptoelectrónicosOs optoelectrónicos son dispositivos de base electrónica que emiten, modulan ou detectan radiación óptica, i.e.
Flores Seijas, José Ramón
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