Results 81 to 90 of about 5,700 (159)

Cerámicas eutécticas solidificadas direccionalmente para fotónica y electrocerámica [PDF]

open access: yes, 2006
40 páginas, 10 figuras, 3 tablas.[ES] Se describe la microestructura de eutécticos de óxidos y fluoruros que se obtienen mediante diversos procedimientos de solidificación direccional.
Merino, R. I.
core  

Graduate studies on optoelectronics in Argentina: an experience [PDF]

open access: yes, 2014
The number of graduate programs in Optoelectronics in Argentina is scarce. The current Optics and Photonics Education Directory lists only three programs.
Fernández, Juan Carlos   +4 more
core   +1 more source

Site-specific tunnel-ionization in high harmonic generation in molecules

open access: yesNew Journal of Physics, 2020
We demonstrate that the standard picture of strong-field tunnel-ionization from molecules should be reformulated. The extended nature of the molecular potential implies the separation of some of the molecular sites from the edge of the ionization barrier.
Laura Rego   +3 more
doaj   +1 more source

Circuito digital programable ópticamente en un medio confinado [PDF]

open access: yes, 1992
En éste trabajo se ofrece la realización de una célula elemental programable ópticamente, capaz de realizar hasta siete operaciones lógicas, constituyendo catorce pares de salida. El principio innovador de la célula, es el uso de fibras ópticas multimodo,
González Marcos, Ana   +1 more
core  

Phase compensation scheme to achieve clean pulses from a multipass cell post-compression setup

open access: yesJournal of the European Optical Society-Rapid Publications
An effective post-compression scheme requires a good compression system to generate the desired ultrashort pulse. In this work, we demonstrate that a compressor based on a pair of grisms, with an additional piece of dispersive glass, is able to shorten ...
Segundo Staels Victor Wilfried   +2 more
doaj   +1 more source

Realización de redes holográficas de interconexión óptica para conmutación fotónica [PDF]

open access: yes, 1992
La principal aportación que se hace en este trabajo es la de la realización de las correspondientes estructuras superficiales de encaminamiento, merced al uso de fibra óptica como elemento determinante de las posiciones de grabado de los ...
González Marcos, Ana   +1 more
core  

Measuring the influence of concept detection on video retrieval [PDF]

open access: yes, 2009
There is an increasing emphasis on including semantic concept detection as part of video retrieval. This represents a modality for retrieval quite different from metadata-based and keyframe similarity-based approaches. One of the premises on which the
A.F. Smeaton   +7 more
core   +2 more sources

Control of high harmonic generation in mixed gaseous media

open access: yesJournal of the European Optical Society-Rapid Publications
High harmonic generation (HHG) in gaseous media provides a robust method for producing coherent extreme-ultraviolet (EUV) radiation and attosecond pulses.
Pablos-Marín José Miguel   +2 more
doaj   +1 more source

Las ventajas competitivas de una crisis bien aprovechada [PDF]

open access: yes, 1994
Según el autor, la crisis económica de los noventa favoreció un crecimiento industrial de las actividades tecnológicas, lo que supuso un aumento de la capacidad ...
Martín Pereda, José Antonio
core   +1 more source

An Open-Source 3D Bioprinter Using Direct Light Processing for Tissue Engineering Applications

open access: yesInventions
The demand for organ transplantation continues to rise worldwide, intensifying the gap between supply and demand and driving research in tissue engineering (TE).
Daniel Sanchez-Garcia   +3 more
doaj   +1 more source

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