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This book describes the basic mechanisms, theory, simulations and technological aspects of Laser processing techniques. It covers the principles of laser quenching, welding, cutting, alloying, selective sintering, ablation, etc. The main attention is paid to the quantitative description. The diversity and complexity of technological and physical processes is discussed using a unitary approach. The book aims on understanding the cause-and-effect relations in physical processes in Laser technologies. It will help researchers and engineers to improve the existing and develop new Laser machining techniques. The book addresses readers with a certain background in general physics and mathematical analysis: graduate students, researchers and engineers practicing laser applications.
The processing and analyzing of materials by short laser pulses demonstrates a significant scientific, technological, and industrial potential that has been revealed largely over the last decade. This book presents seven chapters of literature reviews written by experts from the international scientific community. It covers recent advances in laser ablation technologies for producing Li-ion battery materials and components; pulsed laser deposition of ferroelectric materials; fundamentals of ultra-short pulse laser interaction with metals, semiconductors, or dielectrics; synthesis of nanoparticles in liquid of a variety of materials by laser ablation; processing of biological tissues and materials by ultrashort-pulse burst-mode laser; gemstone identification using laser-induced Raman spectroscopy, photoluminescence, and photoluminescence lifetime analysis and machine learning for reliable quantitative elemental analysis of materials from LIBS spectral data.
Laser materials interaction and processing is an established and growing field within the materials science community. By taking a detailed look at the fundamentals of laser matter interaction, Recent Advances in Laser Processing of Materials charts the recent progress of laser materials interaction and processing in various emerging materials science domains. With special emphasis placed on nanostructures and future developments, this book provides an interdisciplinary support for basic and applied photo-assisted processing research. Coverage includes: laser assisted synthesis of new materials (nanoparticles, nanotubes, active molecules, new phases...) laser assisted surface transformation (nanostructuring, lithography, etching...) laser assisted bulk material transformation (doping, marking, crystallisation...) Laser assisted synthesis of new materials (nanoparticles, nanotubes, active molecules, new phases...) Laser assisted surface transformation (nanostructuring, lithography, etching...) Laser assisted bulk material transformation (doping, marking, crystallisation...)
Laser materials processing has made tremendous progress and is now at the forefront of industrial and medical applications. The book describes recent advances in smart and nanoscaled materials going well beyond the traditional cutting and welding applications. As no analytical methods are described the examples are really going into the details of what nowadways is possible by employing lasers for sophisticated materials processing giving rise to achievements not possible by conventional materials processing.
Laser Materials Processing aims to introduce lasers and laser systems to the newcomers to laser terminology and to provide enough background material on lasers to reduce one's hesitation to employ these devices. The book covers the use of lasers in materials processing, including its application in cutting and welding, as well as the principles behind them; laser heat treatment; rapid solidification laser processing at high power density; shaping of materials using lasers; and laser processing of semiconductors. The selection also covers considerations in laser manufacturing and a survey in laser applications. The text is recommended for both experienced laser users, engineers, or scientists yet unfamiliar with the subject. The book is also recommended for those who wish to know about the importance of lasers in the field of materials processing, as the bulk of the book is devoted to the discussions of some of the most important materials processing activities in use or under development.
New chapters on bending and cleaning reflect the changes in the field since the last edition, completing the range of practical knowledge about the processes possible with lasers already familiar to users of this well-known text. Professor Steen's lively presentation is supported by a number of original cartoons by Patrick Wright and Noel Ford, which will bring a smile to your face and ease the learning process. From the reviews: "...well organized, and the text is very practical...The engineering community will find this book informative and useful." (OPTICS AND PHOTONICS NEWS, July/August 2005)
The revised edition of this important reference volume presents an expanded overview of the analytical and numerical approaches employed when exploring and developing modern laser materials processing techniques. The book shows how general principles can be used to obtain insight into laser processes, whether derived from fundamental physical theory or from direct observation of experimental results. The book gives readers an understanding of the strengths and limitations of simple numerical and analytical models that can then be used as the starting-point for more elaborate models of specific practical, theoretical or commercial value. Following an introduction to the mathematical formulation of some relevant classes of physical ideas, the core of the book consists of chapters addressing key applications in detail: cutting, keyhole welding, drilling, arc and hybrid laser-arc welding, hardening, cladding and forming. The second edition includes a new a chapter on glass cutting with lasers, as employed in the display industry. A further addition is a chapter on meta-modelling, whose purpose is to construct fast, simple and reliable models based on appropriate sources of information. It then makes it easy to explore data visually and is a convenient interactive tool for scientists to improve the quality of their models and for developers when designing their processes. As in the first edition, the book ends with an updated introduction to comprehensive numerical simulation. Although the book focuses on laser interactions with materials, many of the principles and methods explored can be applied to thermal modelling in a variety of different fields and at different power levels. It is aimed principally however at academic and industrial researchers and developers in the field of laser technology.
Ultrashort laser pulses with durations in the femtosecond range up to a few picoseconds provide a unique method for precise materials processing or medical applications. Paired with the recent developments in ultrashort pulse lasers, this technology is finding its way into various application fields. The book gives a comprehensive overview of the principles and applications of ultrashort pulse lasers, especially applied to medicine and production technology. Recent advances in laser technology are discussed in detail. This covers the development of reliable and cheap low power laser sources as well as high average power ultrashort pulse lasers for large scale manufacturing. The fundamentals of laser-matter-interaction as well as processing strategies and the required system technology are discussed for these laser sources with respect to precise materials processing. Finally, different applications within medicine, measurement technology or materials processing are highlighted.
"This book describes those areas of thermodynamics which prove conductive to equilibrium and non-equilibrium heating theories in addition to yielding results that serve as data for further theories"--
This book covers various aspects of lasers in materials science, including a comprehensive overview on basic principles of laser-materials interactions and applications enabled by pulsed laser systems. The material is organized in a coherent way, providing the reader with a harmonic architecture. While systematically covering the major current and emerging areas of lasers processing applications, the Volume provides examples of targeted modification of material properties achieved through careful control of the processing conditions and laser irradiation parameters. Special emphasis is placed on specific strategies aimed at nanoscale control of material structure and properties to match the stringent requirements of modern applications. Laser fabrication of novel nanomaterials, which expands to the domains of photonics, photovoltaics, sensing, and biomedical applications, is also discussed in the Volume. This book assembles chapters based on lectures delivered at the Venice International School on Lasers in Materials Science which was held in Isola di San Servolo, Venice, Italy, in July, 2012.