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Author : Jean-Pierre CHAUMAT
Publisher :
ISBN 13 :
Total Pages : 164 pages
Book Rating : 4.:/5 (494 download)
Download or read book Réalisation et expérimentation d'un laser émettant dans l'ultra-violet du vide written by Jean-Pierre CHAUMAT and published by . This book was released on 1975 with total page 164 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Homere Nkwawo
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (78 download)
Download or read book Réalisation d'un laser ultraviolet du vide (vuv) par mélange de fréquences dans la vapeur de mercure written by Homere Nkwawo and published by . This book was released on 1991 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Le but poursuivi dans ce travail a été d'installer, utiliser et optimiser une expérience complexe a plusieurs lasers pulses pour obtenir du rayonnement cohérent dans la région de l'ultraviolet du vide entre 105-200 mm. L'expérience a été conçue en utilisant les techniques de l'optique non linéaire de mélange de fréquences dans un gaz en cellule. Le choix de la vapeur de mercure a semblé le milieu non linéaire le plus approprié pour produire de l'ultraviolet avec une bonne efficacité de conversion. Le spectre atomique, riche et étendu, offre la possibilité d'étudier différentes résonances en utilisant des lasers à colorants pompes par yag double. L'extrême sensibilité de l'expérience a permis de mettre en évidence une grande diversité de processus non linéaires en compétition. La deuxième partie de ce travail a été consacrée à l'interprétation théorique de ces résultats, ce qui a nécessité de développer différents calculs. L'expression des ondes harmoniques créées et de la puissance transportée par celles-ci étant établie, les calculs des susceptibilités non linéaires et du facteur d'adaptation de phase ont alors permis de décrire quantitativement les phénomènes non linéaires observés. Grâce aux simulations de gain effectuées on peut proposer une optimisation du systeme non linéaire et envisager désormais l'utilisation du rayonnement créé pour des études de spectroscopie vuv.
Author : Anatoliy Evtukh
Publisher : John Wiley & Sons
ISBN 13 : 1119037972
Total Pages : 469 pages
Book Rating : 4.1/5 (19 download)
Download or read book Vacuum Nanoelectronic Devices written by Anatoliy Evtukh and published by John Wiley & Sons. This book was released on 2015-07-14 with total page 469 pages. Available in PDF, EPUB and Kindle. Book excerpt: Introducing up-to-date coverage of research in electron field emission from nanostructures, Vacuum Nanoelectronic Devices outlines the physics of quantum nanostructures, basic principles of electron field emission, and vacuum nanoelectronic devices operation, and offers as insight state-of-the-art and future researches and developments. This book also evaluates the results of research and development of novel quantum electron sources that will determine the future development of vacuum nanoelectronics. Further to this, the influence of quantum mechanical effects on high frequency vacuum nanoelectronic devices is also assessed. Key features: • In-depth description and analysis of the fundamentals of Quantum Electron effects in novel electron sources. • Comprehensive and up-to-date summary of the physics and technologies for THz sources for students of physical and engineering specialties and electronics engineers. • Unique coverage of quantum physical results for electron-field emission and novel electron sources with quantum effects, relevant for many applications such as electron microscopy, electron lithography, imaging and communication systems and signal processing. • New approaches for realization of electron sources with required and optimal parameters in electronic devices such as vacuum micro and nanoelectronics. This is an essential reference for researchers working in terahertz technology wanting to expand their knowledge of electron beam generation in vacuum and electron source quantum concepts. It is also valuable to advanced students in electronics engineering and physics who want to deepen their understanding of this topic. Ultimately, the progress of the quantum nanostructure theory and technology will promote the progress and development of electron sources as main part of vacuum macro-, micro- and nanoelectronics.
Author : Sébastien Forget
Publisher : Springer
ISBN 13 : 3642367054
Total Pages : 179 pages
Book Rating : 4.6/5 (423 download)
Download or read book Organic Solid-State Lasers written by Sébastien Forget and published by Springer. This book was released on 2013-07-03 with total page 179 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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 : Canada. Patent Office
Publisher :
ISBN 13 :
Total Pages : 1070 pages
Book Rating : 4.E/5 ( download)
Download or read book Scientific Canadian Mechanics' Magazine and Patent Office Record written by Canada. Patent Office and published by . This book was released on 1966-03 with total page 1070 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Fabien Bretenaker
Publisher : World Scientific
ISBN 13 : 9814612421
Total Pages : 185 pages
Book Rating : 4.8/5 (146 download)
Download or read book Laser: 50 Years Of Discoveries written by Fabien Bretenaker and published by World Scientific. This book was released on 2014-10-27 with total page 185 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
