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Author: Zachary W. Karg Publisher: ISBN: Category : Languages : en Pages : 0
Book Description
While laser ablation using a nanosecond laser is well understood, there remain gaps in our understanding of the ablation process associated with a femtosecond laser. These gaps are a result of the short time scales associated with a femtosecond laser. Using molecular dynamics (MD) simulations can provide an understanding of the physical phenomena occurring in the short time scales of femtosecond laser ablation. Here, the aim is to perform a parametric study to understand the physical process associated with femtosecond laser ablation and the consequent shock wave in the surrounding media. Results from the simulations showed a plume expansion process as well as the velocity of the particles ejected from the material. It was concluded from this that MD simulations are a viable option for understanding the ablation process in femtosecond laser ablation. This research also concluded that the user of MD simulations must know and understand the input commands to properly model the physics of laser ablation. Femtosecond laser ablation (LA) results from this study can be used for applications in precision machining, medical, dielectrics, and precision agriculture.
Author: Zachary W. Karg Publisher: ISBN: Category : Languages : en Pages : 0
Book Description
While laser ablation using a nanosecond laser is well understood, there remain gaps in our understanding of the ablation process associated with a femtosecond laser. These gaps are a result of the short time scales associated with a femtosecond laser. Using molecular dynamics (MD) simulations can provide an understanding of the physical phenomena occurring in the short time scales of femtosecond laser ablation. Here, the aim is to perform a parametric study to understand the physical process associated with femtosecond laser ablation and the consequent shock wave in the surrounding media. Results from the simulations showed a plume expansion process as well as the velocity of the particles ejected from the material. It was concluded from this that MD simulations are a viable option for understanding the ablation process in femtosecond laser ablation. This research also concluded that the user of MD simulations must know and understand the input commands to properly model the physics of laser ablation. Femtosecond laser ablation (LA) results from this study can be used for applications in precision machining, medical, dielectrics, and precision agriculture.
Author: Eugene G. Gamaly Publisher: CRC Press ISBN: 9814241814 Category : Science Languages : en Pages : 370
Book Description
This is the first comprehensive treatment of the interaction of femtosecond laser pulses with solids at nonrelativistic intensity. It connects phenomena from the subtle atomic motion on the nanoscale to the generation of extreme pressure and temperature in the interaction zone confined inside a solid. The femtosecond laser-matter interaction has already found numerous applications in industry, medicine, and materials science. However, there is no consensus on the interpretation of related phenomena. With mathematics kept to a minimum, this is a highly engaging and readable treatment for students and researchers in science and engineering. The book avoids complex mathematical formulae, and hence the content is accessible to nontechnical readers. Useful summaries after each chapter provide compressed information for quick estimates of major parameters in planned or performed experiments. The book connects the basic physics of femtosecond laser-solid interactions to a broad range of applications. Throught the text, basic assumptions are derived from the first principles, and new results and ideas are presented. From such analyses, a qualitative and predictive framework for the field emerges, the impact of which on applications is also discussed.
Author: Jagdish P. Singh Publisher: Elsevier ISBN: 0128188308 Category : Science Languages : en Pages : 624
Book Description
Laser-Induced Breakdown Spectroscopy, Second Edition, covers the basic principles and latest developments in instrumentation and applications of Laser Induced Breakdown Spectroscopy (LIBS). Written by active experts in the field, it serves as a useful resource for analytical chemists and spectroscopists, as well as graduate students and researchers engaged in the fields of combustion, environmental science, and planetary and space exploration. This fully revised second edition includes several new chapters on new LIBS techniques as well as several new applications, including flame and off-gas measurement, pharmaceutical samples, defense applications, carbon sequestration and site monitoring, handheld instruments, and more. LIBS has rapidly developed into a major analytical technology with the capability of detecting all chemical elements in a sample, of real- time response, and of close-contact or stand-off analysis of targets. It does not require any sample preparation, unlike conventional spectroscopic analytical techniques. Samples in the form of solids, liquids, gels, gases, plasmas, and biological materials (like teeth, leaves, or blood) can be studied with almost equal ease. This comprehensive reference introduces the topic to readers in a simple, direct, and accessible manner for easy comprehension and maximum utility. - Covers even more applications of LIBS beyond the first edition, including combustion, soil physics, environment, and life sciences - Includes new chapters on LIBS techniques that have emerged in the last several years, including Femtosecond LIBS and Molecular LIBS - Provides inspiration for future developments in this rapidly growing field in the concluding chapter
Author: Sergio Musazzi Publisher: Springer ISBN: 3642450857 Category : Science Languages : en Pages : 577
Book Description
This book deals with the Laser-Induced Breakdown Spectroscopy (LIBS) a widely used atomic emission spectroscopy technique for elemental analysis of materials. It is based on the use of a high-power, short pulse laser excitation. The book is divided into two main sections: the first one concerning theoretical aspects of the technique, the second one describing the state of the art in applications of the technique in different scientific/technological areas. Numerous examples of state of the art applications provide the readers an almost complete scenario of the LIBS technique. The LIBS theoretical aspects are reviewed. The book helps the readers who are less familiar with the technique to understand the basic principles. Numerous examples of state of the art applications give an almost complete scenario of the LIBS technique potentiality. These examples of applications may have a strong impact on future industrial utilization. The authors made important contributions to the development of this field.
Author: Roberto Osellame Publisher: Springer Science & Business Media ISBN: 364223366X Category : Science Languages : en Pages : 485
Book Description
Femtosecond laser micromachining of transparent material is a powerful and versatile technology. In fact, it can be applied to several materials. It is a maskless technology that allows rapid device prototyping, has intrinsic three-dimensional capabilities and can produce both photonic and microfluidic devices. For these reasons it is ideally suited for the fabrication of complex microsystems with unprecedented functionalities. The book is mainly focused on micromachining of transparent materials which, due to the nonlinear absorption mechanism of ultrashort pulses, allows unique three-dimensional capabilities and can be exploited for the fabrication of complex microsystems with unprecedented functionalities.This book presents an overview of the state of the art of this rapidly emerging topic with contributions from leading experts in the field, ranging from principles of nonlinear material modification to fabrication techniques and applications to photonics and optofluidics.
Author: Sandip Kunar Publisher: CRC Press ISBN: 1000888517 Category : Technology & Engineering Languages : en Pages : 432
Book Description
Bridging the gap between the need for micro elements and the profitable microfabrication of goods, this new book provides an informative overview of the electro-micromachining and microfabrication processes, varieties, and important applications. Opening with an overview of a variety of micromachining technologies, with an emphasis on nontraditional approaches and recent advances in each, the volume discusses the ultrasonic micromachining processes for producing a variety of micro-shapes, such as micro-holes, micro-slots, and micro-walls, as well as assisted hybrid micromachining with ultrasonic vibration of the tool or workpiece, all which help to improve precision and to advance research. Computer-aided design and computer-aided manufacturing dental micromachining technologies are discussed. Micro-electrical discharge machining, laser micro grooving, and laser micromachining are among the advanced micro-manufacturing processes addressed as well. The volume also covers the use of an electrochemical micromachining method to improve micro texturing and the use of nano-additives to enhance MQL and micromachining process optimization.
Author: Hiroyuki Fujiwara Publisher: John Wiley & Sons ISBN: 9780470060186 Category : Technology & Engineering Languages : en Pages : 388
Book Description
Ellipsometry is a powerful tool used for the characterization of thin films and multi-layer semiconductor structures. This book deals with fundamental principles and applications of spectroscopic ellipsometry (SE). Beginning with an overview of SE technologies the text moves on to focus on the data analysis of results obtained from SE, Fundamental data analyses, principles and physical backgrounds and the various materials used in different fields from LSI industry to biotechnology are described. The final chapter describes the latest developments of real-time monitoring and process control which have attracted significant attention in various scientific and industrial fields.
Author: Lucille A. Giannuzzi Publisher: Springer Science & Business Media ISBN: 038723313X Category : Science Languages : en Pages : 362
Book Description
Introduction to Focused Ion Beams is geared towards techniques and applications. This is the only text that discusses and presents the theory directly related to applications and the only one that discusses the vast applications and techniques used in FIBs and dual platform instruments.
Author: Zachary W. Karg
Author: Zachary W. Karg
Author: Eugene G. Gamaly
Author: Jagdish P. Singh
Author: Yufei Ma
Author: Sergio Musazzi
Author: Roberto Osellame
Author: Sandip Kunar
Author: 
Author: Hiroyuki Fujiwara
Author: Lucille A. Giannuzzi