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＜p＞When a criminal act or vehicle crash occurs, most often a local law enforcement agency responds and is responsible for both investigating the scene and for documenting it. It is critical that scene evidence is collected and recorded efficiently, as the scene can quickly change. The sooner evidence can be collected, reviewed, and analyzed, the better an understanding investigators will have as to how and why the incident occurred.＜/p＞ ＜p＞Crime Scene Documentation: Preserving the evidence and the growing role of 3D laser scanning demonstrates at length the value of laser scanning through the use of numerous case studies of investigators who have utilized various 3D technologies and laser scanning to document scenes. Thorough and accurate scene documentation is an essential function at a science and proves particularly valuable in courtroom presentations to help jurors understand a crime or accident’s likely chain of events. The more advanced a scene documentation method is, the better it can be utilized to capture details that will lead to optimal scene diagramming.＜/p＞ ＜p＞Currently, 3D laser scanning is the most advanced method of scene documentation available, capturing detailed and realistic digital scansーcapturing scenes in their entiretyーand yielding a permanent representation of the scene for study and analysis at any time, even years after a crime scene has vanished. The book explains current technology, the latest advances, and how to best utilize the technology. Case examples come from various applications, from tools to programs, can help crash scene investigators understand how scanning can improve scene documentation, provide better and more evidence details, and build more credible diagrams that possibly may be used in court presentations to help support a case.＜/p＞ ＜p＞Key Features:＜/p＞ ＜ul＞ ＜li＞＜/li＞ ＜li＞ ＜p＞Describes 3Dscene recording methods in use and how well they work＜/p＞ ＜/li＞ ＜li＞＜/li＞ ＜li＞ ＜p＞Outlines the variables and inherent challenges associated with documenting crime and crash scenes＜/p＞ ＜/li＞ ＜li＞＜/li＞ ＜li＞ ＜p＞Illustrates the positive, and dramatic, impact of having a well-documented scene, particularly in the courtroom＜/p＞ ＜/li＞ ＜li＞＜/li＞ ＜li＞ ＜p＞Explores how 3D laser scanning has vastly changed the way and extent to which crime and crash scenes can be captured accurately and completely, and subsequently analyzed＜/p＞ ＜/li＞ ＜li＞＜/li＞ ＜li＞ ＜p＞Explains how laser scanning is highly flexible and presents strategies to integrate it into other crime scene incident recording techniques and technologies＜/p＞ ＜/li＞ ＜/ul＞ ＜p＞Crime Scene Documentationdetails the many benefits of 3D laser scanning technology relative to its reliability and accuracy as well as the multiple case scenarios in which it can be used. The book serves as an invaluable resource to crime scene technicians, investigators, and reconstructionists on the best ways to document a crime or crash scene.＜/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＞Presenting a blend of applied and fundamental research in highly interdisciplinary subjects of rapidly developing areas, this book contains contributions on the frontiers and hot topics of laser physics, laser technology and laser engineering, and covers a wide range of laser topics, from all-optical signal processing and chaotic optical communication to production of superwicking surfaces, correction of extremely high-power beams, and generation of ultrabroadband spectra. It presents both review-type contributions and well researched and documented case studies, and is intended for graduate students, young scientist, and emeritus scientist working/studying in laser physics, optoelectronics, optics, photonics, and adjacent areas. The book contains both experimental and theoretical studies, as well as combinations of these two, which is known to be a most useful and interesting form of reporting scientific results, allowing students to really learn from each contribution. The book contains over 130 illustrations.＜/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 research in this book represents the culmination of a drive to build the first discharge gas laser unencumbered by the effects of diffraction. This breakthrough has been achieved through careful implementation of a discharge within a hollow-core optical fibre, and by developing measurement and analysis techniques to demonstrate laser action in an experimental optical cavity.＜/p＞ ＜p＞Gas lasers were amongst the earliest laser types to be demonstrated and commercialised, but it was recognised that noble gas lasers were limited by the minimum bore diameter of the laser tube, which is set by diffraction. The advent, in 2011, of hollow optical fibres with optical and physical properties suitable for gas discharge lasers opened up the opportunity to break this diffraction limit. Using a mixture of helium and xenon gas, lasing in the mid-infrared range was achieved using a 100μm core flexible hollow optical fibre which, at 1m long, is several hundred times the diffraction-limited Rayleigh length.＜/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 systematic description and analysis of laser heat-mode lithography, addressing the basic principles, lithography system, manipulation of feature size, grayscale lithography, resist thin films, and pattern transfer, while also presenting typical experimental results and applications. It introduces laser heat-mode lithography, where the resist thin films are essentially an opto-thermal response to the laser beam with changeable wavelength and are not sensitive to laser wavelength. Laser heat-mode lithography techniques greatly simplify production procedures because they require neither a particular light source nor a particular environment; further, there are no pre-baking and post-baking steps required for organic photoresists. The pattern feature size can be either larger or smaller than the laser spot by adjusting the writing strategy. The lithographic feature size can also be arbitrarily tuned from nanoscale to micrometer without changing the laser spot size.Lastly, the line edge roughness can be controlled at a very low value because the etching process is a process of breaking bonds among atoms. The book offers an invaluable reference guide for all advanced undergraduates, graduate students, researchers and engineers working in the fields of nanofabrication, lithography techniques and systems, phase change materials, etc.＜/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 focuses on the physics of laser plasma interactions and presents a complementary and very useful numerical model of plasmas. It describes the linear theory of light wave propagation in plasmas, including linear mode conversion into plasma waves and collisional damping.＜/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＞While innovative technologies in remediation need to be developed, so do innovative ways of site assessment. This monograph describes the development, testing, and performance of a new laser-induced fluorescence soil probe. A screening tool for site characterization, this probe has the potential to provide an economical, rapid assessment of contaminated sites.＜br /＞ Cone Penetrometer testing equipment advances the probe into the subsurface. The probe identifies hydrocarbon classes using a multi-channel excitation-emission matrix. This technique facilitates the collection of significant amounts of subsurface information - surpassing conventional data collection methods - that can be used to rapidly identify areas of concern beneath a site. The technology has significant application for the following:＜/p＞ ＜p＞Rapid environmental site assessment＜/p＞ ＜p＞Monitoring remediation programs＜/p＞ ＜p＞Monitoring manufacturing processes and industrial waste water operations＜br /＞ Subsurface Contamination Monitoring Using Laser Fluorescence provides comprehensive reference material for researchers and engineers as well as engineering consultants interested in subsurface monitoring techniques or further development of this technology. It describes innovative technology that focuses on finding cost effective solutions for site assessment and remediation.＜/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 new, updated and enlarged edition of the successful and exceptionally well-structured textbook features new chapters on such hot topics as optical angular momentum, microscopy beyond the resolution limit, metamaterials, femtocombs, and quantum cascade lasers. It provides comprehensive and coherent coverage of fundamental optics, laser physics, and important modern applications, while equally including some traditional aspects for the first time, such as the Collins integral or solid immersion lenses.＜br /＞ Written for newcomers to the topic who will benefit from the author's ability to explain difficult theories and effects in a straightforward and readily comprehensible way.＜/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 diverse cross section of this interdisciplinary research field, with contributions grouped into four categories: laser-induced filamentation; atoms and molecules in a laser field; interaction of solid materials with a coherent light field; and ion acceleration and ionization of atoms in super intense laser fields.＜/p＞ ＜p＞This book series presents up-to-date reviews of advances in this interdisciplinary research field, spanning atomic and molecular physics, as well as molecular and optical science, which have been stimulated by the recent developments in ultrafast laser technologies. Each book compiles peer-reviewed articles by researchers at the forefront of their particular subfields. All the chapters include an overview to allow graduate students and researchers unfamiliar with the subfield to grasp the importance and attractions of the topic covered, 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＞＜strong＞LASER INTER-SATELLITE LINKS TECHNOLOGY＜/strong＞＜/p＞ ＜p＞＜strong＞State of the art resource covering key technologies and related theories of inter-satellite links＜/strong＞＜/p＞ ＜p＞＜em＞Laser Inter-Satellite Links Technology＜/em＞ explores satellite networking as a growing topic in the field of communication technology, introducing the definition, types, and working frequency bands of inter-satellite links, discussing the number of orbital elements of the spacecraft motion state under two-body motion and their conversion relationship, and establishing the basic demand model for inter-satellite link network, chain topology model, and transmission protocol model.＜/p＞ ＜p＞The book focuses on the analysis and introduction of the principles and error sources of microwave and laser inter-satellite ranging, including the basic composition, workflow, and constraints of the laser inter-satellite link, and related design principles of the inter-satellite laser transmitter and receivers. Later chapters also discuss theories and methods of acquisition, alignment, and tracking, the impact of alignment errors on performance, and inter-satellite link modulation and its implementation.＜/p＞ ＜p＞Specific sample topics covered in ＜em＞Laser Inter-Satellite Links Technology＜/em＞ include:＜/p＞ ＜ul＞ ＜li＞Pulse position modulation (PPM), differential pulse position modulation (DPPM), digital pulse interval modulation (DPIM), and double-head pulse interval modulation (DH-PIM)＜/li＞ ＜li＞Basic demand model of inter-satellite link network application, including basic configuration of constellations and inter-satellite transmission networks＜/li＞ ＜li＞Inter-satellite ranging accuracy, principles of microwave inter-satellite ranging, and analysis of microwave ranging error sources＜/li＞ ＜li＞Effect of tracking error on the beam distribution at the receiving end and influence of tracking and pointing error on communication error rate＜/li＞ ＜/ul＞ ＜p＞＜em＞Laser Inter-Satellite Links Technology＜/em＞ serves a completely comprehensive resource on the subject and is a must-have reference for experts and scholars in aerospace, along with graduates and senior undergraduates in related programs of study.＜/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＞The only introductory text on the market today that explains the underlying physics and engineering applicable to all lasers＜/strong＞＜/p＞ ＜p＞Although lasers are becoming increasingly important in our high-tech environment, many of the technicians and engineers who install, operate, and maintain them have had little, if any, formal training in the field of electro-optics. This can result in less efficient usage of these important tools.＜/p＞ ＜p＞＜em＞Introduction to Laser Technology＜/em＞, Fourth Edition provides readers with a good understanding of what a laser is and what it can and cannot do. The book explains what types of laser to use for different purposes and how a laser can be modified to improve its performance in a given application. With a unique combination of clarity and technical depth, the book explains the characteristics and important applications of commercial lasers worldwide and discusses light and optics, the fundamental elements of lasers, and laser modification.?＜/p＞ ＜p＞In addition to new chapter-end problems, the ＜em＞Fourth Edition＜/em＞ includes new and expanded chapter material on:＜/p＞ ＜ul＞ ＜li＞Material and wavelength＜/li＞ ＜li＞Diode Laser Arrays＜/li＞ ＜li＞Quantum-cascade lasers＜/li＞ ＜li＞Fiber lasers＜/li＞ ＜li＞Thin-disk and slab lasers＜/li＞ ＜li＞Ultrafast fiber lasers＜/li＞ ＜li＞Raman lasers＜/li＞ ＜li＞Quasi-phase matching＜/li＞ ＜li＞Optically pumped semiconductor lasers＜/li＞ ＜/ul＞ ＜p＞＜em＞Introduction to Laser Technology＜/em＞, Fourth Edition is an excellent book for students, technicians, engineers, and other professionals seeking a fuller, more formal introduction to the field of laser technology.＜/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 the fundamentals and principles of laser shock peening (LSP) for aeronautical materials. It focuses on the innovation in both theory and method related to LSP-induced gradient structures in titanium alloys and Ni-based alloys which have been commonly used in aircraft industries. The main contents of the book include: the characteristics of laser shock wave, the formation mechanism of gradient structures and the strengthening-toughing mechanism by gradient structures. The research has accumulated a large amount of experimental data, which has proven the significant effectiveness of LSP on the improvement of the fatigue performance of metal parts, and related findings have been successfully applied in aerospace field. This book could be used by the researchers who work in the field of LSP, mechanical strength, machine manufacturing and surface engineering, as well as who major in laser shock wave and materials science.＜/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＞＜em＞Emerging Laser Technologies for High-Power and Ultrafast Science＜/em＞ includes chapters from leading experts devoted to the most recent achievements in the field. Including cutting-edge topics such as high energy/high average power laser systems, the most current developments for high repetition rate high average power infrared fiber laser systems, breakthroughs of the development of CPA based on chromium doped zinc selenide gain material, infrared/mid-infrared laser systems based on high average power Ytterbium pumped OPCPA, and generation of ultrashort laser pulses in the UV spectral range. This book will serve as an important reference for students, researchers, scientists, and engineers interested in the development of next generation of ultrafast laser technologies.＜/p＞ ＜p＞＜strong＞Key Features＜/strong＞＜/p＞ ＜ul＞ ＜li＞ ＜p＞Contributions from leaders in the field of ultrafast science.＜/p＞ ＜/li＞ ＜li＞ ＜p＞Discusses the recent developments including high average power/peak power laser technologies.＜/p＞ ＜/li＞ ＜li＞ ＜p＞Includes recent developments of optical parametric chirped pulse amplifiers for the amplification of few-cycle pulses.＜/p＞ ＜/li＞ ＜li＞ ＜p＞Presents hollow core fiber compression for the generation of few-cycle pulses.＜/p＞ ＜/li＞ ＜li＞ ＜p＞Provides important references and discusses different approaches for the development of next generation of ultrafast laser technologies.＜/p＞ ＜/li＞ ＜/ul＞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 focuses on the mechanisms of how laser light is produced, guided, and focused for materials processing, and these are explained in an easy-to-understand language for practical use. It emphasizes a basic understanding of the principles necessary to run lasers in a safe and efficient way and provides information for quick access to laser materials processing for laser users. The book exhibits the following features:＜/p＞ ＜p＞? Provides simple explanations and descriptions of complex laser material interaction mechanisms to help readers understand relevant effects during laser beam irradiation of materials.＜/p＞ ＜p＞? Explains the main high-power laser materials processing methods, giving hints to get started with the processing and how to avoid imperfections.＜/p＞ ＜p＞? Focuses on high-power laser applications that are explained in an accessible, descriptive way with practical explanations and minimal formulas.＜/p＞ ＜p＞? Teaches how to measure laser beam characteristics and how to install and handle laser equipment correctly.＜/p＞ ＜p＞? Gives practical advice on typical equipment arrangements and parameter ranges.＜/p＞ ＜p＞This practical handbook serves as a guide for students studying production technologies to learn about laser processes, and for engineers who want to start working with laser processes safely and quickly.＜/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 dance along the artery The circulation on the lymph Are figured in the drift of stars. T. S. Eliot Die Methode ist alles. Carl Ludwig In physiology a spirit of finesse is required. Claude Bernard Armed with modern Doppler instrumentation, scientists can now quantify the red blood cell's "dance along the artery" as well as "the drift of stars. " In disciplines of science and medicine ranging from cardiology to astronomy, the Doppler principle now provides invaluable velo city measurements in the microcosm of capillary beds and in the cosmos. The newest appiication of the ubiquitous Doppler principle, laser-Doppler velocimetry, has been used to measure blood ftow in tissue for just a few years, but we perceived that, like most new techniques, the birth of laser-Doppler blood ftowmetry was not easy, nor was it likely to pass through infancy and reach maturity without difficulty. In physiology and medicine, better techniques for measur ing blood ftow are constantly in demand, but they often exhibit an unfortun ate boom-and-bust cyde: widespread acceptance and uncritical use are soon xiii xiv Preface followed by studies delineating the limits of the method's validity. The technique is then abandoned for the next more fashionable one, thus proving Ludwig's dictum that a given method is everything or nothing depending upon whether one can believe the data it yields.＜/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＞Lasers can alter the surface composition and properties of materials in a highly controllable way, which makes them efficient and cost-effective tools for surface engineering. This book provides an overview of the different techniques, the laser-material interactions and the advantages and disadvantages for different applications. Part one looks at laser heat treatment, part two covers laser additive manufacturing such as laser-enhanced electroplating, and part three discusses laser micromachining, structuring and surface modification. Chemical and biological applications of laser surface engineering are explored in part four, including ways to improve the surface corrosion properties of metals. - Provides an overview of thermal surface treatments using lasers, including the treatment of steels, light metal alloys, polycrystalline silicon and technical ceramics - Addresses the development of new metallic materials, innovations in laser cladding and direct metal deposition, and the fabrication of tuneable micro- and nano-scale surface structures - Chapters also cover laser structuring, surface modification, and the chemical and biological applications of laser surface 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＞As the number and variety of lasers increase, it is timely to review which lasers are best for which clinical procedures. This well illustrated text from respected authorities provides the answers for a number of commonly encountered problems. Even established laser surgeons will be interested to learn about newer laser varieties, such as fractionated lasers, and on methods to combine additional and adjunctive procedures for a better esthetic result.＜/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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