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＜p＞Navy officials announced in April 2013 that a solid-state laser would be deployed onboard the U.S.S. Ponce, providing the first at-sea demonstration of a revolutionary directed energy weapon. The demonstration is part of a wider portfolio of near-term Navy directed energy programs that promise rapid fielding, demonstration and prototyping efforts for shipboard, airborne and ground systems. The Office of Naval Research (ONR) and Naval Sea Systems Command recently performed demonstrations of high-energy lasers aboard a moving surface combatant ship, as well as against remotely piloted aircraft. Through careful planning of such demonstrations and by leveraging investments made through other DoD agencies, researchers have been able to increase the ruggedness, power and beam quality of lasers, more than doubling the range of the weapons.＜/p＞ ＜p＞This ebook includes a detailed report on the laser program, Navy Shipboard Lasers for Surface, Air, and Missile Defense: Background and Issues for Congress. Contents include:＜/p＞ ＜p＞Scope, Sources, and Terminology * Background * Shipboard Lasers in General * Potential Advantages and Limitations of Shipboard Lasers * Potential Targets for Shipboard Lasers * Required Laser Power Levels for Countering Targets * Types of Lasers Being Developed for Potential Shipboard Use * Fiber Solid State Lasers (Fiber SSLs). * Slab Solid State Lasers (Slab SSLs) * Free Electron Lasers (FELs) * Navy Surface Fleet's Generalized Vision for Shipboard Lasers * Remaining Technical Challenges * ONR Solid-State Laser Technology Maturation Effort * Naval Directed Energy Steering Group * Directed Energy Vision for U.S. Naval Forces * Destroyers and LCSs Reportedly Leading Candidate Platforms * FY2012 Congressional Report Language * FY2012 National Defense Authorization Act (H.R. 1540/P.L. 112-81) * FY2012 Military Construction and Veterans Affairs and Related Agencies * Appropriations Act (H.R. 2055/P.L. 112-74) * FY2013 Funding Request * Issues for Congress * Program of Record and Roadmap * Arguments Against Developing a Roadmap or Program of Record. * Arguments Supporting Developing a Roadmap or Program of Record * Number of Laser Types to Continue Developing * Potential Strategies * Relative Merits of Laser Types * Implications for Ship Design and Acquisition * Options for Congress * Legislative Activity for FY2013 * FY2013 Funding Request.＜/p＞ ＜p＞"The future is here," said Peter A. Morrision, program officer for ONR's Sold-State Laser Technology Maturation Program. "The solid-state laser is a big step forward to revolutionizing modern warfare with directed energy, just as gunpowder did in the era of knives and swords."＜br /＞ Officials consider the solid-state laser a revolutionary technology that gives the Navy an extremely affordable, multi-mission weapon with a deep magazine and unmatched precision, targeting and control functions. Because lasers run on electricity, they can be fired as long as there is power and provide a measure of safety as they don't require carrying propellants and explosives aboard ships.＜/p＞画面が切り替わりますので、しばらくお待ち下さい。
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＜p＞＜strong＞Qu'est-ce que la t?l?vision laser＜/strong＞＜/p＞ ＜p＞La t?l?vision couleur laser ou l'affichage vid?o couleur laser utilise deux ou plusieurs rayons optiques (laser) modul?s individuellement de diff?rentes couleurs pour produire un spot combin? qui est balay? et projet? sur le plan de l'image par un syst?me polygone-miroir ou moins efficacement par des moyens opto?lectroniques pour produire un affichage de t?l?vision en couleur. Les syst?mes fonctionnent soit en balayant l'image enti?re un point ? la fois et en modulant le laser directement ? haute fr?quence, un peu comme les faisceaux d'?lectrons dans un tube ? rayons cathodiques, soit en ?talant optiquement puis en modulant le laser et en balayant une ligne ? la fois , la ligne elle-m?me ?tant modul?e de la m?me mani?re qu'avec le traitement num?rique de la lumi?re (DLP).＜/p＞ ＜p＞＜strong＞Comment vous en b?n?ficierez＜/strong＞＜/p＞ ＜p＞(I) Insights et validations sur les sujets suivants :＜/p＞ ＜p＞Chapitre 1 : T?l?viseur laser＜/p＞ ＜p＞Chapitre 2 : ?cran plasma＜/p＞ ＜p＞Chapitre 3 : Home cin?ma＜/p＞ ＜p＞Chapitre 4 : ?cran plat＜/p＞ ＜p＞Chapitre 5 : Projecteur LCD＜/p＞ ＜p＞Chapitre 6 : Gamme＜/p＞ ＜p＞Chapitre 7 : Cristaux liquides sur silicium＜/p＞ ＜p＞Chapitre 8 : Vid?oprojecteur＜/p＞ ＜p＞Chapitre 9 : Traitement num?rique de la lumi?re＜/p＞ ＜p＞Chapitre 10 : T?l?viseur＜/p＞ ＜p＞Chapitre 11 : T?l?vision LCD＜/p＞ ＜p＞Chapitre 12 : Projecteur portable＜/p＞ ＜p＞Chapitre 13 : Comparaison des technologies d'affichage＜/p＞ ＜p＞Chapitre 14 : Syst?me 3D ? obturateur actif＜/p＞ ＜p＞Chapitre 15 : Wobulation＜/p＞ ＜p＞Chapitre 16 : Projecteur CRT＜/p＞ ＜p＞Chapitre 17 : Technologie de t?l?vision ? grand ?cran＜/p＞ ＜p＞Chapitre 18 : T?l?vision ? r?troprojection＜/p＞ ＜p＞Chapitre 19 : Affichage visuel ?lectronique＜/p＞ ＜p＞Chapitre 20 : Dispositif de micromiroir num?rique＜/p＞ ＜p＞Chapitre 21 : 3LCD＜/p＞ ＜p＞(II) R?pondre aux principales questions du public sur la t?l?vision laser.＜/p＞ ＜p＞(III) Exemples concrets d'utilisation de la t?l?vision laser dans de nombreux domaines.＜/p＞ ＜p＞(IV) 17 annexes pour expliquer bri?vement 266 technologies ?mergentes dans chaque secteur afin d'avoir une compr?hension compl?te ? 360 degr?s des technologies de t?l?vision laser.＜/p＞ ＜p＞＜strong＞? qui s'adresse ce livre＜/strong＞＜/p＞ ＜p＞Professionnels, ?tudiants de premier cycle et dipl?m?s, passionn?s, amateurs et ceux qui veulent aller au-del? des connaissances ou des informations de base pour tout type de t?l?viseur laser.＜/p＞画面が切り替わりますので、しばらくお待ち下さい。
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＜p＞＜strong＞Laser Moose and Rabbit Boy embark on their wildest adventure yet, encountering prickly old foes, body swaps, brain experiments, and a shocking showdown in the fourth book from the outrageous, hilarious, beloved series.＜/strong＞＜/p＞ ＜p＞Fur is flying in the forest! When Frank the Deer soars off a cliff and an eagle starts talking, Laser Moose and his loyal sidekick Rabbit Boy must discover why these animals have swapped bodies. Their investigation leads to the bizarre brain experiments of Gus the Wolf, the sinister return of their spikey nemesis Cyborgupine, and the truly unthinkable: a final confrontation between our two heroes. Get ready for mystery, danger, laughs, and lots of eye-popping, laser-shooting action from Laser Moose and Rabbit Boy in their most mind-blowing adventure to date. Written and drawn by Doug Savage, the creator of the popular comic ＜em＞Savage Chickens＜/em＞.＜/p＞画面が切り替わりますので、しばらくお待ち下さい。
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＜p＞Digital manufacturing has become an intrinsic part of the modelmaking profession, so today's practitioner must be skilled in both traditional hand-making techniques and digital technology. Relevant to a wide variety of creative industries, including film and television, theatre, architecture and product design, Digital Modelmaking offers a comprehensive insight into the manufacturing processes and technologies used within contemporary modelmaking. Each chapter contains an in-depth explanation of each topic, presents examples of how each process is used and includes case studies from professional modelmakers and students. Topics covered include: making models using a laser cutter, 3D printer and CNC milling machinery; generating 3D digital data using a 3D scanner and photogrammetry; two-and three- dimensional drawing software such as CAD; designing models for digital manufacturing; selecting materials based on their suitability for modelmaking; combining traditional hand-making skills with digital manufacturing; painting and finishing models, and finally, moulding and casting using silicone and resin. This invaluable book will be of great interest for students, young professionals and everyone with a passion for design and making. It is superbly illustrated with 234 colour photographs and 32 line artworks giving numerous examples of the design process. Helen Lansdown has worked professionally as a modelmaker and designer for thirty years and is a lecturer at Herefordshire University teaching on the Model Design programme.＜/p＞画面が切り替わりますので、しばらくお待ち下さい。
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＜p＞In the early 1980s, the late luminary Tito Arecchi was the first to highlight the existence of chaos in a laser model. Since then, along with several colleagues, he developed many important lines of research in this field, such as generalized multistability, laser with injected signal, laser with delayed feedback and the worldwide accepted classification of lasers of A, B and C, depending on their typical relaxation rates. Later, chaos control and synchronization were investigated in lasers and other systems, providing innovative schemes. Very recently, in his last contribution to laser physics, the model of the laser with feedback demonstrating its universal features was revisited.＜/p＞ ＜p＞This book aims to present the research activity of Prof. Arecchi and his colleagues in the domain of nonlinear dynamics of lasers, since his seminal works of 1982 till the latest. Also included is our last contribution on jerk dynamics of laser's minimal universal model and a brief history of the discovery of laser where the reader will discover or rediscover many anecdotes about it.＜/p＞ ＜p＞＜strong＞Contents:＜/strong＞＜/p＞ ＜ul＞ ＜li＞In Memoriam ー Tito Arecchi (11 December 1933 ? 15 February 2021)＜/li＞ ＜li＞Acknowledgments＜/li＞ ＜li＞List of Figures＜/li＞ ＜li＞List of Tables＜/li＞ ＜li＞Laser Physics and Laser Instabilities＜/li＞ ＜li＞Generalized Multistability and its Control in a Laser＜/li＞ ＜li＞Minimal Universal Model for Chaos in Laser with Feedback＜/li＞ ＜li＞Slow Invariant Manifold of Laser with Feedback＜/li＞ ＜li＞Phase Control in Nonlinear Systems＜/li＞ ＜li＞The Jerk Dynamics of Laser's Minimal Universal Model＜/li＞ ＜li＞A Short History of the Discovery of LASER＜/li＞ ＜li＞Appendices＜/li＞ ＜li＞Bibliography＜/li＞ ＜li＞Index＜/li＞ ＜/ul＞ ＜p＞＜strong＞Readership:＜/strong＞ Graduate students and researchers in physics focusing on nonlinear dynamics.＜/p＞画面が切り替わりますので、しばらくお待ち下さい。
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＜p＞Keeping abreast of the latest techniques and applications, this new edition of the standard reference and graduate text on laser spectroscopy has been completely revised and expanded. While the general concept is unchanged, the new edition features a broad array of new material, e.g., ultrafast lasers (atto- and femtosecond lasers) and parametric oscillators, coherent matter waves, Doppler-free Fourier spectroscopy with optical frequency combs, interference spectroscopy, quantum optics, the interferometric detection of gravitational waves and still more applications in chemical analysis, medical diagnostics, and engineering.＜/p＞画面が切り替わりますので、しばらくお待ち下さい。
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＜p＞Semiconductor heterostructures represent the backbone for an increasing variety of electronic and photonic devices, for applications including information storage, communication and material treatment, to name but a few. Novel structural and material concepts are needed in order to further push the performance limits of present devices and to open up new application areas.＜br /＞ This thesis demonstrates how key performance characteristics of three completely different types of semiconductor lasers can be tailored using clever nanostructure design and epitaxial growth techniques. All aspects of laser fabrication are discussed, from design and growth of nanostructures using metal-organic vapor-phase epitaxy, to fabrication and characterization of complete devices.＜/p＞画面が切り替わりますので、しばらくお待ち下さい。
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＜p＞This work details an application of collinear resonance ionization spectroscopy for the separation of short-lived isomeric states and their subsequent study with decay spectroscopy. It reports the successful construction of a novel decay spectroscopy apparatus that can operate at pressures below 1 x 10^-9 mbar. The method is demonstrated by separating the nuclear ground and isomeric states of 204Fr and performing alpha-decay spectroscopy. An equivalent mass spectrometer would require 4.6 million times as much resolution to achieve the same result. This work unambiguously confirms the existence of a second isomeric state in 204Fr. The author also demonstrates the effectiveness of this method for laser spectroscopy and identification of hyperfine-structure components with energy tagging. This method was successfully used in 202Fr to identify ground and isomeric states. The measurement of 202Fr reported in this thesis demonstrates a factor of 100 improvement in sensitivity compared to state-of-the-art fluorescence techniques. The work reported in this thesis won the author the IOP Nuclear Physics Group Early Career Prize.＜/p＞画面が切り替わりますので、しばらくお待ち下さい。
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＜p＞This collection of the selected papers presented to the Second International Conference on Photonics, Optics and laser technology PHOTOPTICS 2014 covers the three main conference scientific areas of “Optics”, “Photonics” and “Lasers”. The selected papers, in two classes full and short, result from a double blind review carried out by conference Program Committee members who are highly qualified experts in the conference topic areas.＜/p＞画面が切り替わりますので、しばらくお待ち下さい。
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＜p＞This 14th volume in the PUILS series presents up-to-date reviews of advances in Ultrafast Intense Laser Science, an interdisciplinary research field spanning atomic and molecular physics, molecular science, and optical science, which has been stimulated by the rapid developments in ultrafast laser technologies. Each chapter begins with an overview of the topics to be discussed, so that researchers unfamiliar to the subfield, as well as graduate students, can grasp the importance and appeal of the respective subject matter; this is followed by reports on cutting-edge discoveries. This volume covers a broad range of topics from this interdisciplinary field, e.g. atoms and molecules interacting in intense laser fields, laser-induced filamentation, high-order harmonics generation, and high-intensity lasers and their applications.＜/p＞画面が切り替わりますので、しばらくお待ち下さい。
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＜p＞This handbook provides an insight into the advancements in surface engineering methods, addressing the microstructural features, properties, mechanisms of surface degradation failures, and tribological performance of the components. Emphasis is placed on the use of laser cladding methods because they make it simple to deposit new classes of materials such nano-composites, nanotubes, and smart materials.＜/p＞ ＜p＞＜em＞Handbook of Laser-Based Sustainable Surface Modification and Manufacturing Techniques＜/em＞ discusses the main mechanism behind the surface degradation of structural components in strenuous environments. It highlights the capacity of laser cladding to operate on a wide range of substrate materials and shapes as well as presents how laser cladding can offer new possibilities in the reconditioning of components and how, in many cases, these approaches are the only solution for economic efficiency. The handbook illustrates how the type of laser, laser optics, and the parameters of the process can be efficiently selected, and thus the number of applications of laser cladding and its applications can be increased. The standard methods of testing used for various types of biomedical devices and tools, as well as the advantages of combining laser cladding with simultaneous induction heating, are described as well within this handbook.＜/p＞ ＜p＞Features:＜/p＞ ＜ul＞ ＜li＞Discusses the role of claddings fabricated with laser technique to withstand wear and corrosion＜/li＞ ＜li＞Highlights the role of laser in the manufacturing of alloys and recent advancements in laser based additive manufacturing processes＜/li＞ ＜li＞Presents the possibilities, applications and challenges in laser surfacing＜/li＞ ＜li＞Illustrates the post-treatments of powders and coatings and case studies related to laser surface technology＜/li＞ ＜li＞Offers the standard methods of testing applied to various types of biomedical devices and tools＜/li＞ ＜li＞Goes over the advantages of combining laser cladding with simultaneous induction heating＜/li＞ ＜/ul＞ ＜p＞The technical outcomes of these surface engineering methods are helpful for academics, students, and professionals who are working in this field, as this enlightens their understanding of the performance of these latest processes. The audience is broad and multidisciplinary.＜/p＞画面が切り替わりますので、しばらくお待ち下さい。
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＜p＞Uma obra abrangente e atual sobre as aplica??es da cirurgia a laser de femtossegundo em oftalmologia. O laser de femtossegundo surgiu como um verdadeiro divisor de ?guas na cirurgia oft?lmica. Foi introduzido pela primeira vez para cirurgia refrativa da c?rnea na cria??o de retalhos durante LASIK e, posteriormente, para cirurgia de catarata em 2008. O laser de femtossegundo corta profundamente em um ?nico plano sem danos colaterais. Sua alta precis?o e seguran?a resultam em excelentes resultados nas m?os de cirurgi?es oftalmol?gicos experientes, beneficiando praticamente a todos. Esta obra atende a uma necessidade n?o atendida de um recurso abrangente e atualizado sobre as aplica??es crescentes dessa tecnologia de ponta. H. Burkhard Dick ? um pioneiro de renome mundial que j? realizou mais de 6.000 opera??es de catarata com laser. Os leitores ser?o beneficiados por seus insights agu?ados, juntamente com a experi?ncia coletiva dos coautores Tim Schultz, Ronald D. Gerste e um grupo de colaboradores de primeira linha. Vinte e nove cap?tulos abrangem f?sica b?sica, tratamento refrativo e terap?utico da c?rnea, v?rios aspectos da cirurgia de catarata com laser e sele??o de pacientes. ? P?rolas cl?nicas, resultados e gerenciamento de complica??es em cirurgia de ceratomileuse in situ a ssistida por laser de femtossegundo ? Discuss?o das etapas cruciais, incluindo capsulotomia, fragmenta??o do cristalino e incis?es da c?rnea ? Uso do laser de femtossegundo para presbiopia, cirurgia de catarata pedi?trica e comorbidades oculares ? Extensos v?deos elucidam as t?cnicas ? Mais de 300 ilustra??es e fotos de alta qualidade adicionam uma dimens?o visual rica Este livro pr?tico fornece conhecimento aprofundado sobre as aplica??es da cirurgia com laser de femtossegundo, permitindo que cirurgi?es de catarata e refra??o incorporem estas t?cnicas ? pr?tica di?ria. Oftalmologistas e residentes de oftalmologia descobrir?o aqui um recurso inestim?vel para o treinamento especializado.＜/p＞画面が切り替わりますので、しばらくお待ち下さい。
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＜p＞Complex behavior models (plasticity, crack, visco-elascticity) are facing several theoretical difficulties in determining the behavior law at the continuous (macroscopic) scale. When homogenization fails to give the right behavior law, a solution is to simulate the material at a mesoscale using the discrete element model (DEM) in order to directly simulate a set of discrete properties that are responsible for the macroscopic behavior. Originally, the discrete element model was developed for granular material.＜/p＞ ＜p＞This book, the second in the ＜em＞Discrete Element Model＜/em＞ and Simulation of ＜em＞Continuous Materials Behavior＜/em＞ set of books, shows how to choose the adequate coupling parameters to avoid spurious wave reflection and to allow the passage of all the dynamic information both from the fine to the coarse model and vice versa. The authors demonstrate the coupling method to simulate a highly nonlinear dynamical problem: the laser shock processing of silica glass.＜/p＞画面が切り替わりますので、しばらくお待ち下さい。
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＜p＞Laser welding is a rapidly developing and versatile technology which has found increasing applications in industry and manufacturing. It allows the precision welding of small and hard-to-reach areas, and is particularly suitable for operation under computer or robotic control. The Handbook of laser welding technologies reviews the latest developments in the field and how they can be used across a variety of applications.Part one provides an introduction to the fundamentals of laser welding before moving on to explore developments in established technologies including CO2 laser welding, disk laser welding and laser micro welding technology. Part two highlights laser welding technologies for various materials including aluminium and titanium alloys, plastics and glass. Part three focuses on developments in emerging laser welding technologies with chapters on the applications of robotics in laser welding and developments in the modelling and simulation of laser and hybrid laser welding. Finally, part four explores the applications of laser welding in the automotive, railway and shipbuilding industries.The Handbook of laser welding technologies is a technical resource for researchers and engineers using laser welding technologies, professionals requiring an understanding of laser welding techniques and academics interested in the field. - Provides an introduction to the fundamentals of laser welding including characteristics, welding defects and evolution of laser welding - Discusses developments in a number of techniques including disk, conduction and laser micro welding - Focusses on technologies for particular materials such as light metal alloys, plastics and glass＜/p＞画面が切り替わりますので、しばらくお待ち下さい。
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＜p＞This book covers a broad range of topics from the interdisciplinary research field of ultrafast intense laser science, focusing on atoms and molecules interacting with intense laser fields, laser-induced filamentation, high-order harmonics generation, and high power lasers and their applications. This sixteenth volume features contributions from world-renowned researchers, introducing the latest reports on probing molecular chirality with intense laser fields, and the most recent developments in the Shanghai Superintense Ultrafast Laser Facility project.＜/p＞ ＜p＞The PUILS series delivers up-to-date reviews of progress in this emerging interdisciplinary research field, spanning atomic and molecular physics, molecular science, and optical science, which has been stimulated by the recent developments in ultrafast laser technologies. Each volume compiles peer-reviewed articles authored by researchers at the forefront of each of their own subfields of ultrafast intense laser science. Every chapter opens with an overview of the topics to be discussed, so that researchers unfamiliar to the subfield, especially graduate students, can grasp the importance and attractions of the research topic at hand; these are followed by reports of cutting-edge discoveries.＜/p＞画面が切り替わりますので、しばらくお待ち下さい。
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＜p＞Low-Level Laser Therapy (LLLT) also known as photobiomodulation is almost 50 years old, and recently has been getting increasing acceptance from the scientific, medical, and veterinary communities. Discoveries are constantly being made about the cellular and molecular mechanisms of action, the range of diseases that can be treated is also rising, and home use LED devices are becoming common.＜/p＞ ＜p＞This book compiles cutting-edge contributions from the world’s leading experts in Photobiomodulation and LLLT. Chapters cover general concepts, mechanisms of action, in vitro studies, pre-clinical animal studies, veterinary applications and a wide range of clinical topics. Edited by Michael Hamblin from Massachusetts General Hospital and Harvard Medical School, aided by two prominent researchers (Marcelo Sousa and Tanupriya Agrawal), this book will appeal to anyone involved in the basic science, translational aspects and clinical applications of LLLT.＜/p＞画面が切り替わりますので、しばらくお待ち下さい。
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