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Diagnostic and Analytical Studies of Laser Induced Plasmas

2010
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Release : 2010
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Book Synopsis Diagnostic and Analytical Studies of Laser Induced Plasmas by : Heh Young Moon

Download or read book Diagnostic and Analytical Studies of Laser Induced Plasmas written by Heh Young Moon. This book was released on 2010. Available in PDF, EPUB and Kindle. Book excerpt: ABSTRACT: Since its early applications, Laser-Induced Breakdown Spectroscopy (LIBS) has been recognized as a useful tool for solid state chemical analysis due to its numerous attractive advantages as an analytical tool: e.g., simultaneous multi-element detection capability, no sample preparation, rapid or real-time analysis, and allowing in situ analysis requiring only optical access to the sample. However, the quantitative accuracy of the technique depends on the complex fundamental processes involved in laser-induced plasma formation, ablation, atomization, excitation and ion recombination. Thus, problems arising from laser target coupling, matrix effects, line interferences, fractionation in target vaporization, the main assumptions of the methods, namely the optically thin emission of spectral lines and the existence of local thermodynamic equilibrium in the plasma should be properly addressed in order to obtain reliable quantitative results [1, 2] . The general scope of this research encompasses two aspects related to the LIBS technique: one aspect is the fundamental study of the plasma characteristics and another is an improved use of the technique in quantitative analysis. The main project is to revisit and investigate some fundamental assumptions such as the existence of local.

Laser Induced Breakdown Spectroscopy (LIBS)

2023-03-14 Science
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Release : 2023-03-14
Genre : Science
Kind : eBook
Book Rating : 424/5 ( reviews)

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Book Synopsis Laser Induced Breakdown Spectroscopy (LIBS) by : Vivek K. Singh

Download or read book Laser Induced Breakdown Spectroscopy (LIBS) written by Vivek K. Singh. This book was released on 2023-03-14. Available in PDF, EPUB and Kindle. Book excerpt: Laser Induced Breakdown Spectroscopy (LIBS) Essential resource covering the field of LIBS, with respect to its fundamentals, established and novel applications, and future prospects Laser Induced Breakdown Spectroscopy (LIBS), presents in two comprehensive volumes a thorough discussion of the basic principles of the method, including important recently available data which can lead to a better characterization of the LIBS plasma. This extensive work contains detailed discussions on the lasers, spectrometers, and detectors that can be used for LIBS apparatuses and describes various instrumentation, ranging from basic setups to more advanced configurations. As a modern resource, the work includes the newest advances and capabilities of LIBS instruments, featuring the recent developments of Dual-Pulse LIBS, Femtosecond LIBS, and Micro-LIBS as well as their applications. Throughout, the contributions discuss the analytical capabilities of the method in terms of detection limits, accuracy, and precision of measurements for a variety of samples. Lastly, an extensive range of applications is presented, including food technology, environmental science, nuclear reactors, nanoscience and nanotechnology, and biological and biomedical developments. Sample topics covered within the work include: iagnostics of laser induced plasma (LIP): LIBS plasma and its characteristics, factors affecting the LIBS plasma, methods of enhancing LIBS sensitivity, and LTE/non-LTE plasmas Instrumental developments in LIBS: light collection system and spectral detection systems, handheld LIBS, deep sea LIBS, and industrial sorters and analyzers Femtosecond laser ablation: laser-matter interaction, laser absorption, energy transport, ablation mechanisms and threshold, and plasma characterization Micro-analysis and LIBS imaging: microjoule laser sources, scaling libs to microjoule energies, micrometer scaling, advanced applications, and future prospects Spectroscopic and analytical scientists working with LIBS will find this wide-ranging reference immensely helpful in developing LIBS instrumentation and applications. Researchers and students in natural sciences and related programs of study will be able to use the work to acquire foundational knowledge on the method and learn about cutting-edge advancements being made in the field.

Laser-Induced Breakdown Spectroscopy

2020-06-02 Science
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Release : 2020-06-02
Genre : Science
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Book Rating : 308/5 ( reviews)

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Book Synopsis Laser-Induced Breakdown Spectroscopy by : Jagdish P. Singh

Download or read book Laser-Induced Breakdown Spectroscopy written by Jagdish P. Singh. This book was released on 2020-06-02. Available in PDF, EPUB and Kindle. Book excerpt: 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

Laser-Induced Breakdown Spectroscopy in Biological, Forensic and Materials Sciences

2022-12-13 Science
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Release : 2022-12-13
Genre : Science
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Book Rating : 02X/5 ( reviews)

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Book Synopsis Laser-Induced Breakdown Spectroscopy in Biological, Forensic and Materials Sciences by : Gábor Galbács

Download or read book Laser-Induced Breakdown Spectroscopy in Biological, Forensic and Materials Sciences written by Gábor Galbács. This book was released on 2022-12-13. Available in PDF, EPUB and Kindle. Book excerpt: This book offers a comprehensive overview of recent advances in the area of laser-induced breakdown spectroscopy (LIBS), focusing on its application to biological, forensic and materials sciences. LIBS, which was previously mainly used by physicists, chemists and in the industry, has now become a very useful tool with great potential in these other fields as well. LIBS has a unique set of characteristics including minimal destructiveness, remote sensing capabilities, potential portability, extremely high information content, trace analytical sensitivity and high throughput. With its content divided into two main parts, this book provides not only an introduction to the analytical capabilities and methodology, but also an overview of the results of recent applications in the above fields. The application-oriented, multidisciplinary approach of this work is also reflected in the diversity of the expert contributors. Given its breadth, this book will appeal to students, researchers and professionals interested in solving analytical/diagnostic/material characterization tasks with the application of LIBS.

Laser in Environmental and Life Sciences

2013-04-17 Science
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Release : 2013-04-17
Genre : Science
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Book Rating : 551/5 ( reviews)

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Book Synopsis Laser in Environmental and Life Sciences by : Peter Hering

Download or read book Laser in Environmental and Life Sciences written by Peter Hering. This book was released on 2013-04-17. Available in PDF, EPUB and Kindle. Book excerpt: This comprehensive reference work illustrates the state of the art of laser-induced analytical methods in environmental and life sciences via an interdisciplinary approach. Ky techniques for remote sensing in the atmosphere as well as diagnostic methods for soil, water and air contamination and exhaled breath are described. Each a prominent scientist, the authors report on their current research; demonstrate that multi-disciplinary applications are possible; and employ examples on how existing environmental diagnostic methods have found their way into the life sciences.

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