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＜p＞Twenty never-before-published short stories span the worlds of science fiction and fantasy, inviting readers of both genres to lose themselves in tales sometimes humorous, sometimes terrifying, and always engrossing. Sword & Laser hosts Veronica Belmont and Tom Merritt hand-picked their favorite stories, plucked directly from the brains of the S&L audience. From living space ships to hapless thieves getting more than they bargained for, this collection has something for every genre reader.＜/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＞Cos'? la TV laser＜/strong＞＜/p＞ ＜p＞La televisione a colori laser o il display video a colori laser utilizza due o pi? raggi ottici (laser) modulati individualmente di colori diversi per produrre uno spot combinato che viene scansionato e proiettato sul piano dell'immagine da un sistema di specchi poligonali o meno efficacemente da mezzi optoelettronici per produrre un display televisivo a colori. I sistemi funzionano o scansionando l'intera immagine un punto alla volta e modulando il laser direttamente ad alta frequenza, proprio come i fasci di elettroni in un tubo a raggi catodici, oppure diffondendo otticamente e quindi modulando il laser e scansionando una linea alla volta , la linea stessa viene modulata pi? o meno allo stesso modo dell'elaborazione digitale della luce (DLP).＜/p＞ ＜p＞＜strong＞Come ne trarrai vantaggio＜/strong＞＜/p＞ ＜p＞(I) Approfondimenti e convalide sui seguenti argomenti:＜/p＞ ＜p＞Capitolo 1: TV laser＜/p＞ ＜p＞Capitolo 2: Display al plasma＜/p＞ ＜p＞Capitolo 3: Home cinema＜/p＞ ＜p＞Capitolo 4: Display a schermo piatto＜/p＞ ＜p＞Capitolo 5: Proiettore LCD＜/p＞ ＜p＞Capitolo 6: Gamma＜/p＞ ＜p＞Capitolo 7: Cristalli liquidi su silicio＜/p＞ ＜p＞Capitolo 8: Videoproiettore＜/p＞ ＜p＞Capitolo 9: Elaborazione della luce digitale＜/p＞ ＜p＞Capitolo 10: Televisore＜/p＞ ＜p＞Capitolo 11: TV LCD＜/p＞ ＜p＞Capitolo 12: Proiettore portatile＜/p＞ ＜p＞Capitolo 13: Confronto della tecnologia di visualizzazione＜/p＞ ＜p＞Capitolo 14: Sistema 3D con otturatore attivo＜/p＞ ＜p＞Capitolo 15: Wobulation＜/p＞ ＜p＞Capitolo 16: Proiettore CRT＜/p＞ ＜p＞Capitolo 17: Tecnologia televisiva a grande schermo＜/p＞ ＜p＞Capitolo 18: Televisore a retroproiezione＜/p＞ ＜p＞Capitolo 19: Display visivo elettronico＜/p＞ ＜p＞Capitolo 20: Dispositivo microspecchio digitale＜/p＞ ＜p＞Capitolo 21: 3LCD＜/p＞ ＜p＞(II) Rispondere alle principali domande del pubblico sulla TV laser.＜/p＞ ＜p＞(III) Esempi del mondo reale per l'utilizzo della TV laser in molti campi.＜/p＞ ＜p＞(IV) 17 appendici per spiegare, brevemente, 266 tecnologie emergenti in ciascun settore per avere una comprensione completa a 360 gradi delle tecnologie dei televisori laser.＜/p＞ ＜p＞＜strong＞A chi ? rivolto questo libro＜/strong＞＜/p＞ ＜p＞Professionisti, studenti universitari e laureati, appassionati, hobbisti e coloro che vogliono andare oltre le conoscenze o le informazioni di base per qualsiasi tipo di TV 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＞Gordon Gould woke up one night in his Bronx, New York, apartment, opened a laboratory notebook and wrote: "Some rough calculations on the feasibility of a LASER: Light Amplification by Stimulated Emission of Radiation." That was November 1957, and the 37-year-old graduate student had coined the name for a world-changing invention. Before he stopped, he had written the first description of a working laser and how it could be used. What he didn't know was how to get a patent. So Gould, even as a radical background denied him a security clearance to work on his own invention, would spend the next thirty years fighting to prove he, and not the Nobel laureate Charles Townes, was the inventor. Finally, by 1988, Gould's legal war had won him four basic laser patents that upheld his claim. LASER is the dramatic story of a brilliant lone inventor who took on the establishment and triumphed in the end.＜/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＞Three renowned ophthalmologists explain the benefits and risks of LASIK surgery and answer the most commonly asked questions about this extremely popular vision-correction surgery. From clarifying the basics of vision to a thorough collection of laser vision-correction surgery statistics, this guidebook addresses the entire gamut of LASIK questions, including ＜em＞Who is a candidate for LASIK surgery? How is LASIK performed? How much vision improvement can be expected? How does one choose a qualified physician? What are the risk factors and possible complications?＜/em＞ and ＜em＞What follow-up care is needed after the surgery?＜/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＞In ＜em＞How the Laser Happened＜/em＞, Nobel laureate Charles Townes provides a highly personal look at some of the leading events in twentieth-century physics. Townes was inventor of the maser, of which the laser is one example; an originator of spectroscopy using microwaves; and a pioneer in the study of gas clouds in galaxies and around stars. Throughout his career he has also been deeply engaged with issues outside of academic research. He worked on applied research projects for Bell Labs; served on the board of directors for General Motors; and devoted extensive effort to advising the government on science, policy, and defense. This memoir traces his multifaceted career from its beginnings on the family farm in South Carolina. Spanning decades of ground-breaking research, the book provides a hands-on description of how working scientists and inventors get their ideas. It also gives a behind-the-scenes look at the scientific community, showing how scientists respond to new ideas and how they approach a variety of issues, from priority and patents to the social and political implications of their work. In addition, Townes touches on the sociology of science, uncovering some of the traditions and values that are invisible to an outsider. A towering and energetic figure, Townes has explored or pioneered most of the roles available to the modern scientist. In addition to fundamental research, he was actively involved in the practical uses of the laser and in the court cases to defend the patent rights. He was a founding member of the Jasons, an influential group of scientists that independently advises the government on defense policy, and he played an active part in scientific decisions and policies from the Truman through the Reagan administration. This lively memoir, packed with first-hand accounts and historical anecdotes, is an invaluable resource for anyone interested in the history of science and an inspiring example for students considering scientific careers.＜/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 introduces laser drilling processes including modelling, quality assessment of drilled holes, and laser drilling applications. It provides insights into the laser drilling process and relation among the drilling parameters pertinent to improved end product quality. This book is written for engineers and scientists working on laser machining, particularly laser drilling.＜/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 provides a thorough exploration of various modulated apertures and their impact on improving microscope resolution, with a focus on confocal scanning laser microscopy (CSLM). Over the course of eleven chapters, it looks at both the theoretical aspects and practical applications of different aperture shapes.＜/p＞ ＜p＞Chapters 1 and 2 review apertures with linear, quadratic, and concentric black-and-white (B/W) zones, along with linear-quadratic and polynomial designs. Additionally, apertures with Hamming, Cauchy, rectangular, and hexagonal shapes are analyzed for their potential to enhance imaging performance.＜/p＞ ＜p＞Chapter 3 presents the computation of coherent transfer functions (CTFs) for selected modulated apertures, offering insights into their influence on imaging quality. Chapter 4 focuses on confocal microscopes, exploring how these apertures affect the imaging of microscopic objects.＜/p＞ ＜p＞A theoretical study of coherent non-scanned laser microscopes (CNSM) is covered in Chapter 5. Chapter 6 addresses the computation of lateral and axial point spread functions (PSFs) in confocal imaging systems that use binary amplitude masks, while Chapter 7 investigates the effects of misalignment errors combined with wavefront aberrations in systems using linear and quadratic apertures.＜/p＞ ＜p＞In Chapter 8, diffraction intensity is calculated for a confocal microscope with a laterally displaced truncated Gaussian aperture, extending the principles of Marechal microscopy to confocal scanning microscopy. Chapters 9 and 10 examine spatial coherence in confocal optical systems, particularly in the context of quadratic and concentric B/W apertures.＜/p＞ ＜p＞The book concludes in Chapter 11 with an application of cardiac apertures in CSLM, demonstrating their use in processing cardiac images. This work serves as a valuable reference for researchers and professionals interested in advancing microscope resolution through innovative aperture design and analysis.＜/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＞The purpose of this symposium on light-coagulation is not to show the superi ority of the argon-laser-coagulation or, on the contrary, of the classical photo coagulation, but rather to see, if possible, which are the respective indications and contraindications for xenon-are-coagulation as well as for argon-laser coagulation. So, for instance, the argon-Iaser-coagulator is perhaps more appropriate to treat the lesions at and around the macula and the optic disc, but for the peripheral lesions of the retina the xenon-arc photocoagulator is surely as effective. For the conservative treatment of intraocular tumours, the xenon arc-coagula tor is beyond doubt more efficacious than the argon-Iaser-coagu lator. We were very happy to have at this symposium Professor MEYER-SCHWICKE RATH, the creator and the pioneer of light-coagulation, his coworker, Professor WESSING, and Doctor HUNTER LITTLE, one of the pioneers of the laser-therapy. We thank them very warmly for having brought to us the results of their promi nent clinical experiments. After general considerations on laser-photocoagulation, we will have a discussion on macular alterations and their treatment as well as on peripheral retinal vascular or non vascular diseases. The most important part concerns the treatment of diabetic retinopathy. Finally the prevention of complications in argon laser retinal photocoagulation will be reviewed.＜/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＞The central subject of this thesis is the theoretical description of ultrafast dynamical processes in molecular systems of chemical interest and their control by laser pulses. This work encompasses different cutting-edge methods in quantum chemistry, quantum dynamics and for the rigorous description of the interaction of light and matter at the molecular level. It provides a general quantum mechanical framework for the description of chemical processes guided by laser pulses, in particular near conical intersections, i.e. geometries where the nuclear and electronic motions couple and the molecule undergoes non-adiabatic (or non-Born-Oppenheimer) dynamics. In close collaboration with experimentalists, the author succeeds in making a decisive step to link and to apply quantum physics to chemistry by transferring state of the art techniques and concepts developed in physics to chemistry, such as “light dressed atoms and molecules” and “adiabatic Floquet theory”. He applies these techniques in three prototypic model systems (aniline, pyrazine and NHD2) using high-level electronic structure calculations. Readers will enjoy the comprehensive and accessible introduction to the topic and methodology, as well as the clear structure of the thesis.＜/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 highlights the fundamentals and latest progresses in the research and applications of laser shock peening (LSP). As a novel technology for surface treatment, LSP greatly improves the resistance of metallic materials to fatigue and corrosion. The book presents the mechanisms, techniques, and applications of LSP in a systematic way. It discusses a series of new progresses in fatigue performance improvement of metal parts with LSP. It also introduces lasers, equipment, and techniques of newly developed industry LSP, with a detailed description of the novel LSP blisk. The book demonstrates in details numerical analysis and simulation techniques and illustrates process stability control, quality control, and analysis determination techniques. It is a valuable reference for scientists, engineers, and students in the fields of laser science, materials science, astronautics, and aeronautics who seek to understand, develop, and optimize LSP processes.＜/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 discusses helical Ince-Gaussian beams, which are presented as expansions in Hermite-Gaussian modes, and analytical expressions for the orbital angular momentum are obtained for them. In scalar optics, light is described by a complex amplitude, a complex function of three Cartesian coordinates. This function must be a solution to the scalar paraxial Helmholtz equation, which is equivalent to the Schr?dinger equation in quantum mechanics. There are not many known exact analytical solutions of this equation in the form of special functions, only a few dozen. Each such solution can be associated with a certain laser beam, for example, a Bessel, Laguerre-Gaussian or Hermite-Gaussian beam. Each such analytical solution of the Helmholtz equation allows one to fully describe all the features of the light beam before modeling. Find the intensity distribution at any distance from the waist, phase distribution, total beam power and its other characteristics. Therefore, the search for new analytical solutions describing new laser beams, including helical (vortex) beams, which have orbital angular momentum and topological charge, is relevant. This book describes new helical beams that the authors obtained in 2023-2024. These are generalized asymmetric Laguerre-Gaussian and Hermite-Gaussian beams, double and square Bessel-Gaussian and Laguerre-Gaussian beams, and several types of Bessel-Bessel-Gaussian beams. Each such new analytical solution of the Helmholtz paraxial equation is a significant contribution to optics. The book is of interest to a wide range of scientists and engineers working in the field of optics, photonics, laser physics, opto-information technologies and optical instrumentation. It can also be useful for bachelors and masters in the specialties applied mathematics and physics, applied mathematics and informatics, optics and graduate students specializing in these 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＞The book, ‘Laser Physics and Technology’, addresses fundamentals of laser physics, representative laser systems and techniques, and some important applications of lasers. The present volume is a collection of articles based on some of the lectures delivered at the School on ‘Laser Physics and Technology’ organized at Raja Ramanna Centre for Advanced Technology during March, 12-30, 2012. The objective of the School was to provide an in-depth knowledge of the important aspects of laser physics and technology to doctoral students and young researchers and motivate them for further work in this area. In keeping with this objective, the fourteen chapters, written by leading Indian experts, based on the lectures delivered by them at the School, provide along with class room type coverage of the fundamentals of the field, a brief review of the current status of the field. The book will be useful for doctoral students and young scientists who are embarking on a research in this area as well as to professionals who would be interested in knowing the current state of the field particularly in Indian context.＜/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-enabled measurements are valuable tools for the investigation of surfaces and interfaces or for the in situ investigation of interfacial processes including electrode processes. The understanding of the thermodynamics of solid/liquid surfaces is important for surface science and electrochemistry. In the first part of this book, the authors describe a range of techniques for investigating interfacial tension and surface stress, which is important for coatings, thin films, and fuel cells. The techniques covered comprise bending beam (bending plate, bending cantilever, wafer curvature) methods with different detection techniques. Special attention is given to methods using optical detection by laser beam deflection or interferometry. The second part is devoted to the techniques based on the detection of refractive index gradients in the solution. The refractive index changes could be related to concentration gradients (Probe Beam Deflection, PBD) or light-induced thermal gradients (Photothermal Deflection Spectroscopy, PDS). The application of the techniques to surface-confined and solution electrochemical systems is described. Subsequently, a comparison with others techniques able to monitor ion fluxes is performed.＜/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＞Mid-Infrared Fibre Photonics: Glass Materials, Fibre Fabrication and Processing, Laser Sources and Devicess combines the latest glass chemistry, fibre fabrication and post processing techniques to provide a comprehensive reference on the fundamental science and latest research in fibre photonics for the mid-infrared range. The book systematically reviews the key glass materials systems including fluorides, chalcogenides, and oxides. Each materials chapter includes discussion of composition, structure, thermal, optical and mechanical properties, extrinsic and intrinsic loss mechanisms, materials preparation and purification techniques. Then Mid-Infrared Fibre Photonics: Glass Materials, Fibre Fabrication and Processing, Laser Sources and Devicess covers the most relevant fabrication, post-processing, and spectroscopy techniques. Fibre sources are also addressed including fibre sources for continuous wave emission, pulsed emission, and broadband emission. The book concludes with a brief overview of important medical, sensing and defence applications. - Systematic coverage of the most relevant materials for mid-infrared fibre photonics including discussion of composition, structure, thermal, optical and mechanical properties, loss mechanisms, materials preparation and purification techniques - Reviews the key fabrication and processing techniques of mid-infrared fibre technologies - Addresses the important medical, sensing and defence 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＞Advances in Laser Materials Processing: Technology, Research and Application, Second Edition, provides a revised, updated and expanded overview of the area, covering fundamental theory, technology and methods, traditional and emerging applications and potential future directions. The book begins with an overview of the technology and challenges to applying the technology in manufacturing. Parts Two thru Seven focus on essential techniques and process, including cutting, welding, annealing, hardening and peening, surface treatments, coating and materials deposition. The final part of the book considers the mathematical modeling and control of laser processes. Throughout, chapters review the scientific theory underpinning applications, offer full appraisals of the processes described and review potential future trends. - A comprehensive practitioner guide and reference work explaining state-of-the-art laser processing technologies in manufacturing and other disciplines - Explores challenges, potential, and future directions through the continuous development of new, application-specific lasers in materials processing - Provides revised, expanded and updated coverage＜/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 examines the variety of potential laser diagnostic techniques and presents a considerable theoretical foundation elucidating physics relevant to the laser diagnostics. It explains the Raman-based approaches for major species and temperature measurements.＜/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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