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Other titles in the Rwthedition series:
Tailored Light 2: Laser Application Technology (Rwthedition)by Reinhart Poprawe
Synopses & Reviews
The Laser world consists basically of two areas, which are necessary and in many cases also sufficient for effective innovation: The right laser for the right application. For the individual application that means the determination of optimized process parameters in terms of laser power, peak power/ intensity, focus geometry and dimension, pulse length, pulse repetition rate and wavelength to name only the six most important ones. Once these parameters are identified, the corresponding Laser has to be selected on the basis of commercial availability.
Obviously there is no such thing than One Laser for all. The situation is rather comparable with electrical power, were depending on the demand of the application in terms of voltage, current and time corresponding power supplies need to be tailored, however, with the difference that in the case of the Laser the variety of parameters is even higher, thus the technology is more complex but on the other hand much more flexible in terms optimizing the source to the application.
As a consequence it is suggested to publish two volumes on Lasers and Applications named Tailored Light.
The diversity of possible applications for Laser Technology is a wide area which cannot be treated exhaustively in a single manuscript/volume. Thus, this book will focus on applications for manufacturing technology, especially on the machining and processing methods in modern production engineering. The specialist in physics or engineering sciences will be interested in the theories and models used to describe the phenomena which occur during materials processing with laser radiation and their quantification by formulae. Based on this fundamental knowledge, a systematic approach to the manifold manufacturing methods gets possible, representing the many different applications on a common scientific background. Relevant in a more practical way are the processes described in the context of machining procedures, explaining the basic principles and essential quantitative interrelations of processing parameters in an easily comprehensible language.
The readera (TM)s imagination is stimulated by numerous examples - a source of inspiration for new application concepts/further innovative applications.
Focusing on the broader range of processes, this book hopes to act as a catalyst for future innovation. It covers the application technology of lasers, while at the same time ensuring that all the underlying principles are explained thoroughly too.
The present book covers the application technology of lasers, focusing more on the vast range of processes than on individual applications, in order to motivate and enable future innovations. The physical basics are presented in the first half of the book. The following examination of application categories and their processes is documented by experts from their practical points of view but always refers back to the underlying physical principles. In this way, readers are free to choose their own individual level of depth in understanding this globally relevant field of innovation.
About the Author
Prof. Dr. Reinhart Poprawe holds an M. A. in Physics from California State University (Fresno, 1977). After completion of his diploma and PhD in Physics (Darmstadt 1984) he joined the Fraunhofer Institute for Laser Technology in Aachen, where he began working as head of the department "Laser Oriented Process Development." From 1988 to 1996 he served as managing director of Thyssen Laser Technik GmbH in Aachen. Since then he has been managing director of the Fraunhofer ILT and holds the University Chair for Laser Technology at the RWTH Aachen.
Table of Contents
Preface.- Introduction.- Radiation at interfaces.- Absorption of Laser Radiation.- Energy Transport and Heat Conduction.- Thermo Mechanics.- Phase Transformations.- Melt Flow.- Laser Induced Vaporization.- Plasma Physics.- Laser Beam Sources.- Surface Treatment.- Forming.- Rapid Prototyping & Rapid Tooling.- Joining.- Ablation.- Drilling.- Cutting.- System Technology.- Laser Measurement Technology.- Appendix.- Subject index.
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