Laser Beams

Author : Maxim Thys
Publisher : Unknown
Page : 0 pages
File Size : 40,8 Mb
Release : 2011
Category : Laser beams
ISBN : 1608762661

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Laser Beams by Maxim Thys Pdf

This book considers some general laser-induced processes that are involved in laser-matter interactions. A brief review is presented about a very interesting application of laser beams in the fields of materials science: the growth of zinc oxide (ZnO) nanostructured films by Pulsed Laser Deposition (PLD). In addition, safe and precise cavity detection, especially of dangerous or inaccessible voids, is essential to safe production in a working mine. The advantages and disadvantages of laser detection systems are analysed, and a combination of laser scanning techniques and conventional survey methodology is proposed. Other chapters in this book present an overview on laser cladding, a discussion of the applications of structured laser beams in laser refractography technology, a review of some fundamentals of laser-induced breakdown spectroscopy (LIBS) and an analysis of laser forming of steel parts by means of diode lasers.

Author : Victor V. Kotlyar,Alexey A. Kovalev,Alexey P. Porfirev
Publisher : CRC Press
Page : 244 pages
File Size : 51,7 Mb
Release : 2018-09-03
Category : Technology & Engineering
ISBN : 9781351009584

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Vortex Laser Beams by Victor V. Kotlyar,Alexey A. Kovalev,Alexey P. Porfirev Pdf

This book deals with theoretical bases of the modern optics division concerned with coherent light fields with singularities characterized by phase uncertainty. Singular light fields include laser vortex beams or beams that carry orbital angular momentum. Laser vortex beams that have been introduced in optics in recent years are discussed in detail. Among them, of special notice are families of asymmetric laser vortex beams that, while being devoid of radial symmetry, remain unchanged upon propagation. What makes the laser vortex beams especially interesting is the ability to preserve their structure while propagating in a scattering medium or through a turbulent atmosphere. The orbital angular momentum is an extra degree of freedom of laser vortices because beams with different topological charge can be utilized as independent channels for data transmission in wireless communications. Laser vortex beams are generated from conventional Gaussian beams using liquid crystal light modulators, which are now readily available at any optical laboratory. Provide a framework for the comparative analysis of the efficiency of different vortex beams for micromanipulation. Includes detailed illustrations, enabling the vortex structure to be easily understood even by non-experts. Presents detailed descriptions of more than a dozen most popular types of vortex laser beams. Explores how optical vortices have been used in many practical applications including conventional and quantum wireless communications, micromanipulation, optical measurements with super-resolution, spiral interferometry, microscopy, and atom cooling. Presents in a systematic and detailed form many analytical and numerical results for the propagation vortex optical beams (chiefly in the linear propagation regime).

Author : V. E. Zuev
Publisher : Springer
Page : 516 pages
File Size : 43,7 Mb
Release : 2012-11-16
Category : Technology & Engineering
ISBN : 146848883X

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Laser Beams in the Atmosphere by V. E. Zuev Pdf

Although scarcely 20 years have passed since the creation of the first laser, laser engineering has enjoyed a variety of applications in science and in practice. Among these applications, a special pI ace is held by those related to the propagation of laser radiation in the atmosphere. Some, such as laser communication and information-transmission systems, locating and teleme tering systems, and mapping and navigation systems, require access to quantitative data on the effects of the atmosphere on the parameters of the laser beam serving as the carrier of useful information, since the efficacy of any such system depends significantly on the influence of the atmosphere. Another set of laser applications associated with the propagation of coherent radiation in the atmosphere requires the solution of both direct and inverse problems related to this complex subject. The kind of applica tion in question is the use of lasers for long-range monitoring of various physical parameters of the atmosphere-a new and highly promising direc tion in science and engineering.

Author : Richard H. Milburn
Publisher : Unknown
Page : 70 pages
File Size : 55,9 Mb
Release : 1964
Category : Gamma rays
ISBN : UOM:39015095260090

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Laser Beams by Richard H. Milburn Pdf

Author : Jean Martin
Publisher : Blake Education
Page : 86 pages
File Size : 40,9 Mb
Release : 2001
Category : Readers (Elementary)
ISBN : 1865094382

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Laser Beams by Jean Martin Pdf

Author : Victor V. Kotlyar,Alexey A. Kovalev,Alexey P. Porfirev
Publisher : CRC Press
Page : 404 pages
File Size : 45,8 Mb
Release : 2018-09-03
Category : Technology & Engineering
ISBN : 9781351009591

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Vortex Laser Beams by Victor V. Kotlyar,Alexey A. Kovalev,Alexey P. Porfirev Pdf

This book deals with theoretical bases of the modern optics division concerned with coherent light fields with singularities characterized by phase uncertainty. Singular light fields include laser vortex beams or beams that carry orbital angular momentum. Laser vortex beams that have been introduced in optics in recent years are discussed in detail. Among them, of special notice are families of asymmetric laser vortex beams that, while being devoid of radial symmetry, remain unchanged upon propagation. What makes the laser vortex beams especially interesting is the ability to preserve their structure while propagating in a scattering medium or through a turbulent atmosphere. The orbital angular momentum is an extra degree of freedom of laser vortices because beams with different topological charge can be utilized as independent channels for data transmission in wireless communications. Laser vortex beams are generated from conventional Gaussian beams using liquid crystal light modulators, which are now readily available at any optical laboratory. Provide a framework for the comparative analysis of the efficiency of different vortex beams for micromanipulation. Includes detailed illustrations, enabling the vortex structure to be easily understood even by non-experts. Presents detailed descriptions of more than a dozen most popular types of vortex laser beams. Explores how optical vortices have been used in many practical applications including conventional and quantum wireless communications, micromanipulation, optical measurements with super-resolution, spiral interferometry, microscopy, and atom cooling. Presents in a systematic and detailed form many analytical and numerical results for the propagation vortex optical beams (chiefly in the linear propagation regime).

Author : V. V. Kotlyar,A.A. Kovalev
Publisher : CRC Press
Page : 298 pages
File Size : 47,8 Mb
Release : 2019-05-16
Category : Science
ISBN : 9781000527520

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Accelerating and Vortex Laser Beams by V. V. Kotlyar,A.A. Kovalev Pdf

This book gives insight into the theoretical backgrounds of optical vortices and their propagation in free space and simple optical systems. The author’s theoretical analysis allows full comprehension of recent results and allows a bridge between the mentioned topics. For example, there is a solution for an accelerating beam propagating along an almost half-circle, obtained from a solution for an asymmetric vortex Bessel mode. And vice versa, there is a solution for an optical vortex with accelerating focusing, obtained from a solution for a two-dimensional accelerating Pearcey beam. The book is intended for graduate and postgraduate students studying optics or wave physics.

Author : Nathan Blaunstein,Natan Kopeika
Publisher : CRC Press
Page : 305 pages
File Size : 54,5 Mb
Release : 2017-09-22
Category : Computers
ISBN : 9781351402675

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Optical Waves and Laser Beams in the Irregular Atmosphere by Nathan Blaunstein,Natan Kopeika Pdf

The book introduces optical wave propagation in the irregular turbulent atmosphere and the relations to laser beam and LIDAR applications for both optical communication and imaging. It examines atmosphere fundamentals, structure, and content. It explains specific situations occurring in the irregular atmosphere and for specific natural phenomena that affect optical ray and laser beam propagation. It emphasizes how to use LIDAR to investigate atmospheric phenomena and predict primary parameters of the irregular turbulent atmosphere and suggests what kinds of optical devices to operate in different atmospheric situations to minimize the deleterious effects of natural atmospheric phenomena.

Author : P. Misaelides
Publisher : Springer Science & Business Media
Page : 668 pages
File Size : 50,7 Mb
Release : 2013-03-09
Category : Technology & Engineering
ISBN : 9789401584593

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Application of Particle and Laser Beams in Materials Technology by P. Misaelides Pdf

The development of advanced materials with preselected properties is one of the main goals of materials research. Of especial interest are electronics, high-temperature and supemard materials for various applications, as well as alloys with improved wear, corrosion and mechanical resistance properties. The technical challenge connected with the production of these materials is not only associated with the development of new specialised preparation techniques but also with quality control. The energetic charged particle, electron and photon beams offer the possibility of modifying the properties of the near-surface regions of materials without seriously affecting their bulk, and provide unique analytical tools for testing their qUality. This volume includes most of the lectures and contributions delivered at the NATO-funded Advanced Study Institute "Application of Particle and Laser Beams in Materials Technology", which was held in Kallithea, Chalkidiki, in Northern Greece, from the 8th to the 21st of May, 1994 and attended by 73 participants from 21 countries. The aim of this ASI was to provide to the participants an overview of this rapidly expanding field. Fundamental aspects concerning the interactions and collisions on atomic, nuclear and solid state scale were presented in a didactic way, along with the application of a variety of techniques for the solution of problems ranging from the development of electronics materials to corrosion research and from archaeometry to environmental protection.

Author : Dmitriy Mikhaylov
Publisher : Cuvillier Verlag
Page : 176 pages
File Size : 48,7 Mb
Release : 2021-06-24
Category : Technology & Engineering
ISBN : 9783736964464

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Ultrashort Pulse Laser Ablation of Bulk Materials Using Shaped Laser Beams by Dmitriy Mikhaylov Pdf

High precision, high quality, and high throughput of ultrashort pulse laser ablation of bulk material are the most demanded properties that are required to let this process technology compete with other micro-machining techniques. Previous attempts to increase volumetric ablation rates of ultrashort pulse laser processes were based on the increase of fluence or pulse repetition rates. They run into limitations mainly set by the occurrence of bumpy surfaces due to overheating of bulk material. In this work, the potential of laser beam shaping for the enhancement of ablation rates is studied systematically for the first time. The question regarding the physically shortest possible process time for ablation of 2.5D-structures by means of an ultrashort pulse laser is answered using a heat conduction model, which is extended by the ability to consider spatially shaped beams. The strategy of laser beam stamping is implemented in a novel optical setup and proven both theoretically and experimentally to have a great potential for increasing ablation rates.

Author : Martin v. Allmen,Andreas Blatter
Publisher : Springer Science & Business Media
Page : 206 pages
File Size : 48,5 Mb
Release : 2013-03-07
Category : Science
ISBN : 9783642578137

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Laser-Beam Interactions with Materials by Martin v. Allmen,Andreas Blatter Pdf

Laser-Beam Interactions with Materials treats, from a physicist's point of view, the wide variety of processes that lasers can induce in materials. Physical phenomena ranging from optics to shock waves are discussed, as are applications in such diverse fields as semiconductor annealing, hole drilling and fusion plasma production. The approach taken emphasizes the fundamental ideas and their interrelations. The newcomer is given the necessary important background material, while the active research worker finds a critical and comprehensive review of the field.

Author : Andrew Forbes
Publisher : CRC Press
Page : 355 pages
File Size : 55,6 Mb
Release : 2014-02-14
Category : Mathematics
ISBN : 9781466554405

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Laser Beam Propagation by Andrew Forbes Pdf

How do laser beams propagate? Innovative discoveries involving laser beams and their propagation properties are at the heart of Laser Beam Propagation: Generation and Propagation of Customized Light. This book captures the essence of laser beam propagation. Divided into three parts, it explores the fundamentals of how laser beams propagate, and pro

Author : Fred M. Dickey,Todd E. Lizotte,Scott C. Holswade,David L. Shealy
Publisher : CRC Press
Page : 370 pages
File Size : 44,6 Mb
Release : 2005-07-26
Category : Science
ISBN : 9781420028065

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Laser Beam Shaping Applications by Fred M. Dickey,Todd E. Lizotte,Scott C. Holswade,David L. Shealy Pdf

The practice of shaping the irradiance profile of laser beams goes back more than three decades, and the applications of beam shaping are as diverse as they are numerous. However, until Dickey and Holswade's groundbreaking and highly popular Laser Beam Shaping: Theory and Techniques was published, there was no single, detailed treatment available on the underlying theory and basic techniques of beam shaping. Building on the foundations of this previous work, these esteemed editors have teamed with recognized expert David L. Shealy to produce the first in-depth account of beam shaping applications and design. Laser Beam Shaping Applications details the important features of beam shaping and exposes the subtleties of the theory and techniques that are best demonstrated through proven applications. In chapters contributed by prominent, active leaders in their respective specialties, the book discusses applications in lithography, laser printing, optical data storage, stable isotope separation, adaptive mirrors, and spatially dispersive lasers. The contributors share major insights, knowledge, and experience, reveal the advantages of the technologies, and include extensive references to the literature. The book concludes with a summary of beam shaping theory and techniques as well as the history of the field. Providing practical expertise, Laser Beam Shaping Applications is an extremely helpful guide to improving current laser processes, optimizing application-specific technologies, and advancing future development in the field.

Author : Shekhar Guha
Publisher : CRC Press
Page : 334 pages
File Size : 45,7 Mb
Release : 2017-12-19
Category : Science
ISBN : 9781439866399

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Laser Beam Propagation in Nonlinear Optical Media by Shekhar Guha Pdf

"This is very unique and promises to be an extremely useful guide to a host of workers in the field. They have given a generalized presentation likely to cover most if not all situations to be encountered in the laboratory, yet also highlight several specific examples that clearly illustrate the methods. They have provided an admirable contribution to the community. If someone makes their living by designing lasers, optical parametric oscillators or other devices employing nonlinear crystals, or designing experiments incorporating laser beam propagation through linear or nonlinear media, then this book will be a welcome addition to their bookshelf." —Richard Sutherland, Mount Vernon Nazarene University, Ohio, USA Laser Beam Propagation in Nonlinear Optical Media provides a collection of expressions, equations, formulas, and derivations used in calculating laser beam propagation through linear and nonlinear media which are useful for predicting experimental results. The authors address light propagation in anisotropic media, oscillation directions of the electric field and displacement vectors, the walk-off angles between the Poynting and propagation vectors, and effective values of the d coefficient for biaxial, uniaxial, and isotropic crystals. They delve into solutions of the coupled three wave mixing equations for various nonlinear optical processes, including quasi-phase matching and optical parametric oscillation, and discuss focusing effects and numerical techniques used for beam propagation analysis in nonlinear media, and phase retrieval technique. The book also includes examples of MATLAB and FORTRAN computer programs for numerical evaluations. An ideal resource for students taking graduate level courses in nonlinear optics, Laser Beam Propagation in Nonlinear Optical Media can also be used as a reference for practicing professionals.

Author : V. V. Kotlyar,A.A. Kovalev
Publisher : CRC Press
Page : 110 pages
File Size : 45,5 Mb
Release : 2019-05-21
Category : Science
ISBN : 9781000537109

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Accelerating and Vortex Laser Beams by V. V. Kotlyar,A.A. Kovalev Pdf

This book gives insight into the theoretical backgrounds of optical vortices and their propagation in free space and simple optical systems. The author’s theoretical analysis allows full comprehension of recent results and allows a bridge between the mentioned topics. For example, there is a solution for an accelerating beam propagating along an almost half-circle, obtained from a solution for an asymmetric vortex Bessel mode. And vice versa, there is a solution for an optical vortex with accelerating focusing, obtained from a solution for a two-dimensional accelerating Pearcey beam. The book is intended for graduate and postgraduate students studying optics or wave physics.