DYNAMIQUE ELECTRONIQUE FEMTOSECONDE DANS LES SYSTEMES METALLIQUES MASSIFS ET CONFINES PDF Download
Are you looking for read ebook online? Search for your book and save it on your Kindle device, PC, phones or tablets. Download DYNAMIQUE ELECTRONIQUE FEMTOSECONDE DANS LES SYSTEMES METALLIQUES MASSIFS ET CONFINES PDF full book. Access full book title DYNAMIQUE ELECTRONIQUE FEMTOSECONDE DANS LES SYSTEMES METALLIQUES MASSIFS ET CONFINES by Natalia Del Fatti. Download full books in PDF and EPUB format.
Author: Natalia Del Fatti
Publisher:
ISBN:
Category :
Languages : fr
Pages : 225
Get Book Here
Book Description
CE TRAVAIL A ETE CONSACRE A L'ETUDE EXPERIMENTALE PAR DES TECHNIQUE POMPE-SONDE FEMTOSECONDE ET A LA MODELISATION DES MECANISMES D'INTERACTIONS ELECTRONIQUES DANS LES SYSTEMES METALLIQUES MASSIFS (FILMS D'ARGENT ET D'OR) ET CONFINES (NANOPARTICULES D'ARGENT DANS UNE MATRICE DE VERRE). POUR CELA, UNE SOURCE LASER FEMTOSECONDE TI:SAPHIR DELIVRANT DES IMPULSIONS D'ENVIRON 20 FS ACCORDABLES DANS L'INFRAROUGE PROCHE A ETE DEVELOPPEE. DANS LES FILMS METALLIQUES, NOUS NOUS SOMMES INTERESSES EXPERIMENTALEMENT ET THEORIQUEMENT A LA DYNAMIQUE DE THERMALISATION INTERNE DES ELECTRONS DE CONDUCTION ET A SON IMPACT SUR LES ECHANGES D'ENERGIE ELECTRONS - RESEAU. UNE ACCELERATION DU TAUX DE PERTE D'ENERGIE VERS LE RESEAU AU COURS DU TEMPS A ETE MISE EN EVIDENCE, SIGNATURE DU PASSAGE D'UN REGIME INDIVIDUEL, CORRESPONDANT A UN SYSTEME ATHERMAL, A UN REGIME COLLECTIF DECRIT PAR UNE TEMPERATURE ELECTRONIQUE. LA DYNAMIQUE ELECTRONIQUE ET LA REPONSE NON-LINEAIRE ULTRARAPIDE AU VOISINAGE DE LA RESONANCE PLASMON DE SURFACE ONT ETE ETUDIEES DANS DES NANOPARTICULES D'ARGENT (DE RAYON COMPRIS ENTRE 3 NM ET 15 NM) DANS UNE MATRICE DE VERRE. LES RESULTATS ONT ETE INTERPRETES EN TERMES DE DEPLACEMENT EN FREQUENCE ET D'ELARGISSEMENT DE LA RESONANCE PLASMON DE SURFACE, DONT LES DIFFERENTS MECANISMES PHYSIQUES ONT ETE CLAIREMENT IDENTIFIES. EN PARTICULIER, LORSQUE LE GAZ D'ELECTRONS EST FORTEMENT HORS EQUILIBRE AVEC LE RESEAU, L'AUGMENTATION DES COLLISIONS ELECTRONS-SURFACE A ETE MISE EN EVIDENCE. L'EXCITATION ET LA DETECTION EN TEMPS REEL, VIA LA MODULATION DES PROPRIETES ELECTRONIQUES, DE L'OSCILLATION COHERENTE DES NANOPARTICULES METALLIQUES ONT ETE REALISEES, PERMETTANT UNE DETERMINATION PRECISE DE LA FREQUENCE ET DE L'AMORTISSEMENT DE LEUR MODE FONDAMENTAL DE VIBRATION ACOUSTIQUE ET LEUR COMPARAISON AVEC UN MODELE THEORIQUE.
Author: Natalia Del Fatti
Publisher:
ISBN:
Category :
Languages : fr
Pages : 225
Get Book Here
Book Description
CE TRAVAIL A ETE CONSACRE A L'ETUDE EXPERIMENTALE PAR DES TECHNIQUE POMPE-SONDE FEMTOSECONDE ET A LA MODELISATION DES MECANISMES D'INTERACTIONS ELECTRONIQUES DANS LES SYSTEMES METALLIQUES MASSIFS (FILMS D'ARGENT ET D'OR) ET CONFINES (NANOPARTICULES D'ARGENT DANS UNE MATRICE DE VERRE). POUR CELA, UNE SOURCE LASER FEMTOSECONDE TI:SAPHIR DELIVRANT DES IMPULSIONS D'ENVIRON 20 FS ACCORDABLES DANS L'INFRAROUGE PROCHE A ETE DEVELOPPEE. DANS LES FILMS METALLIQUES, NOUS NOUS SOMMES INTERESSES EXPERIMENTALEMENT ET THEORIQUEMENT A LA DYNAMIQUE DE THERMALISATION INTERNE DES ELECTRONS DE CONDUCTION ET A SON IMPACT SUR LES ECHANGES D'ENERGIE ELECTRONS - RESEAU. UNE ACCELERATION DU TAUX DE PERTE D'ENERGIE VERS LE RESEAU AU COURS DU TEMPS A ETE MISE EN EVIDENCE, SIGNATURE DU PASSAGE D'UN REGIME INDIVIDUEL, CORRESPONDANT A UN SYSTEME ATHERMAL, A UN REGIME COLLECTIF DECRIT PAR UNE TEMPERATURE ELECTRONIQUE. LA DYNAMIQUE ELECTRONIQUE ET LA REPONSE NON-LINEAIRE ULTRARAPIDE AU VOISINAGE DE LA RESONANCE PLASMON DE SURFACE ONT ETE ETUDIEES DANS DES NANOPARTICULES D'ARGENT (DE RAYON COMPRIS ENTRE 3 NM ET 15 NM) DANS UNE MATRICE DE VERRE. LES RESULTATS ONT ETE INTERPRETES EN TERMES DE DEPLACEMENT EN FREQUENCE ET D'ELARGISSEMENT DE LA RESONANCE PLASMON DE SURFACE, DONT LES DIFFERENTS MECANISMES PHYSIQUES ONT ETE CLAIREMENT IDENTIFIES. EN PARTICULIER, LORSQUE LE GAZ D'ELECTRONS EST FORTEMENT HORS EQUILIBRE AVEC LE RESEAU, L'AUGMENTATION DES COLLISIONS ELECTRONS-SURFACE A ETE MISE EN EVIDENCE. L'EXCITATION ET LA DETECTION EN TEMPS REEL, VIA LA MODULATION DES PROPRIETES ELECTRONIQUES, DE L'OSCILLATION COHERENTE DES NANOPARTICULES METALLIQUES ONT ETE REALISEES, PERMETTANT UNE DETERMINATION PRECISE DE LA FREQUENCE ET DE L'AMORTISSEMENT DE LEUR MODE FONDAMENTAL DE VIBRATION ACOUSTIQUE ET LEUR COMPARAISON AVEC UN MODELE THEORIQUE.
Author: Mohindar Seehra
Publisher: BoD – Books on Demand
ISBN: 1789232929
Category : Technology & Engineering
Languages : en
Pages : 432
Get Book Here
Book Description
The use of copper, silver, gold and platinum in jewelry as a measure of wealth is well known. This book contains 19 chapters written by international authors on other uses and applications of noble and precious metals (copper, silver, gold, platinum, palladium, iridium, osmium, rhodium, ruthenium, and rhenium). The topics covered include surface-enhanced Raman scattering, quantum dots, synthesis and properties of nanostructures, and its applications in the diverse fields such as high-tech engineering, nanotechnology, catalysis, and biomedical applications. The basis for these applications is their high-free electron concentrations combined with high-temperature stability and corrosion resistance and methods developed for synthesizing nanostructures. Recent developments in all these areas with up-to-date references are emphasized.
Author: Henri Benisty
Publisher: Oxford University Press
ISBN: 0191089354
Category : Science
Languages : en
Pages : 650
Get Book Here
Book Description
The aim of this textbook is to provide an overview of nanophotonics, a discipline which was developed around the turn of the millennium. This unique and rapidly evolving subject area is the result of a collaboration between various scientific communities working on different aspects of light-matter interaction at the nanoscale. These include near-field optics and super-resolution microscopy, photonic crystals, diffractive optics, plasmonics, optoelectronics, synthesis of metallic and semiconductor nanoparticles, two-dimensional materials, and metamaterials. The book is aimed at graduate students with a background in physics, electrical engineering, material science, or chemistry, as well as lecturers and researchers working within these fields.
Author:
Publisher:
ISBN:
Category : Physics
Languages : en
Pages : 938
Get Book Here
Book Description
Author: Alain Aspect
Publisher:
ISBN:
Category : Electronic books
Languages : fr
Pages : 294
Get Book Here
Book Description
Author: Sébastien Forget
Publisher: Springer
ISBN: 3642367054
Category : Science
Languages : en
Pages : 179
Get Book Here
Book Description
Organic lasers are broadly tunable coherent sources, potentially compact, convenient and manufactured at low-costs. Appeared in the mid 60’s as solid-state alternatives for liquid dye lasers, they recently gained a new dimension after the demonstration of organic semiconductor lasers in the 90's. More recently, new perspectives appeared at the nanoscale, with organic polariton and surface plasmon lasers. After a brief reminder to laser physics, a first chapter exposes what makes organic solid-state organic lasers specific. The laser architectures used in organic lasers are then reviewed, with a state-of-the-art review of the performances of devices with regard to output power, threshold, lifetime, beam quality etc. A survey of the recent trends in the field is given, highlighting the latest developments with a special focus on the challenges remaining for achieving direct electrical pumping of organic semiconductor lasers. A last chapter covers the applications of organic solid-state lasers.
Author: David Adler
Publisher: Springer Science & Business Media
ISBN: 1489922601
Category : Science
Languages : en
Pages : 448
Get Book Here
Book Description
The Institute for Amorphous Studies was founded in 1982 as the international center for the investigation of amorphous mate rials. It has since played an important role in promoting the und er standing of disordered matter in general. An Institute lecture series on "Fundamentals of Amorphous Materials and Devices" was held during 1982-83 with distinguished speakers from universities and industry. These events were free and open to the public ,and were attended by many representatives of the scientific community. The lectures themselves were highly successful inasmuch as they provided not only formal instruction but also an opportunity for vigorous and stimulating debate. That last element could not be captured within the pages of a book I but the lectures concentrated on the latest advances in the field I which is why their essential contents are he re reproduced in collective form. Together they constitute an interdisciplinary status report of the field. The speakers brought many different viewpoints and a variety of back ground experiences io bear on the problems involved I but though language and conventions vary I the essential unity of the concerns is very clear I as indeed are the ultimate benefits of the many-sided approach.
Author: Fabien Bretenaker
Publisher: World Scientific
ISBN: 9814612421
Category : Science
Languages : en
Pages : 185
Get Book Here
Book Description
This unique book provides an overview of the principle and applications of lasers enriched with numerous illustrations.Being over fifty years old, lasers continue to amaze us. Their performance characteristics are constantly reaching new limits, and the scope of their applications continues to expand. Yet, it took years of effort by teams of physicists to transform the fundamental notions of Einstein into the first experimental beam of laser light. And history is still going on as fundamental research is now triggered by its remarkable properties.This book addresses every aspects of laser light, from its fundamental principles to its industrial applications, at a level particularly suited for high school teachers, students, and anybody curious about science and technology.
