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Book Description
La texturisation de matériaux par irradiation laser ultracourt est un procédé permettant de modifier les propriétés optiques et électriques de la matière en formant des nano et microstructures en surface, apparaissant au cours des irradiations successives. Le contrôle du procédé et le développement des applications nécessitent une compréhension des mécanismes mis en jeu. Les processus intervenant sont étudiés à l'aide de simulations numériques, et sont comparés à des résultats expérimentaux. L'étude est menée dans le cadre de l'augmentation du rendement des cellules photovoltaïques basées sur du silicium massif.
Book Description
La texturisation de matériaux par irradiation laser ultracourt est un procédé permettant de modifier les propriétés optiques et électriques de la matière en formant des nano et microstructures en surface, apparaissant au cours des irradiations successives. Le contrôle du procédé et le développement des applications nécessitent une compréhension des mécanismes mis en jeu. Les processus intervenant sont étudiés à l'aide de simulations numériques, et sont comparés à des résultats expérimentaux. L'étude est menée dans le cadre de l'augmentation du rendement des cellules photovoltaïques basées sur du silicium massif.
Author: Sébastien Forget Publisher: Springer ISBN: 3642367054 Category : Science Languages : en Pages : 179
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
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
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.
Author: Thibault Derrien
Author: Thibault Derrien
Author: Monte Ross
Author: Sébastien Forget
Author: David Adler
Author: Fabien Bretenaker