Phase Transitions Induced by Short Laser Pulses PDF Download
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Author: Georgy A. Shafeev
Publisher:
ISBN: 9781607415909
Category : Laser ablation
Languages : en
Pages : 0
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Book Description
The book presents the recent advances in studies of phase transitions induced by short laser pulses in solids and the interface solid-liquid. The review is presented of previous and new results of experimental and theoretical description of phase boiling phenomenon under the action of short laser pulses. Time-resolved characterisation of the phase transitions induced by short laser pulses in metals in confined geometry is described in details, and the results are compared with classical equation of states of the materials in sub- and super-critical range of parameters. Phase transitions in the films of cryogenic molecular compounds doped with different impurities are thoroughly studied with respect to their use in MALDI and MAPLE processes. Modelling and new experimental data are described on explosive boiling of liquid under laser exposure of its free surface. Novel experimental results are presented on instabilities at the solid-liquid interface exposed to pico- and femtosecond laser pulses. Morphological and optical properties of resulting nanostructures periodic relief are described. Theoretical modelling of instabilities and structures formation under laser exposure is given on the basis of defect-deformational instability. Modelling results are found to be in good agreement with experimental data. The book is of interest for scientists, post-graduate students and engineers working in the field of laser-matter interaction.
Author: Georgy A. Shafeev
Publisher:
ISBN: 9781607415909
Category : Laser ablation
Languages : en
Pages : 0
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Book Description
The book presents the recent advances in studies of phase transitions induced by short laser pulses in solids and the interface solid-liquid. The review is presented of previous and new results of experimental and theoretical description of phase boiling phenomenon under the action of short laser pulses. Time-resolved characterisation of the phase transitions induced by short laser pulses in metals in confined geometry is described in details, and the results are compared with classical equation of states of the materials in sub- and super-critical range of parameters. Phase transitions in the films of cryogenic molecular compounds doped with different impurities are thoroughly studied with respect to their use in MALDI and MAPLE processes. Modelling and new experimental data are described on explosive boiling of liquid under laser exposure of its free surface. Novel experimental results are presented on instabilities at the solid-liquid interface exposed to pico- and femtosecond laser pulses. Morphological and optical properties of resulting nanostructures periodic relief are described. Theoretical modelling of instabilities and structures formation under laser exposure is given on the basis of defect-deformational instability. Modelling results are found to be in good agreement with experimental data. The book is of interest for scientists, post-graduate students and engineers working in the field of laser-matter interaction.
Author: Yevheniia Chernukha
Publisher:
ISBN:
Category :
Languages : en
Pages : 0
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Book Description
The ability of certain materials to change its ground state due to laser excitation has arisen a lot of opportunities for light-control of material properties. The field of photo-induced phase transitions counts a rich variety of chemical and physical processes triggered by light-matter interactions involved during the phase transition process. Recently it was reported that elastically driven cooperativity leads to the amplification of spin state in molecular crystals and prolonged the lifetime of the transient state with an ultra-short laser pulse. The cooperative response appears during the propagation of non-linear coherent strain waves, in other words shock waves, coupled with the order parameter field. Shock waves can be seen as a new challenging pathway to achieve a permanently switched state with appropriate excitations.First, we introduce time-resolved single-shot imaging combined with the laser shock focusing technique that makes it possible to generate, acoustically focus, and directly visualize under a microscope shock waves propagating and focusing along the sample surface. The spatial separation of the laser-influenced and strain-influenced regions makes it possible to disentangle the material changes produced solely by the shock waves. Second, we present experimental results involving the shock-focusing technique to materials undergoing phase transitions linked with a macroscopic change of their volume (spin-crossover systems, Mott insulators). Post-mortem analyses of the samples confirm permanent phase transition under specific experimental conditions. These innovative results open doors for a generic elastically driven cooperativity.
Author: K. Nasu
Publisher: World Scientific
ISBN: 9789812565723
Category : Science
Languages : en
Pages : 360
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Book Description
A new class of insulating solids was recently discovered. Whenirradiated by a few visible photons, these solids give rise to amacroscopic excited domain that has new structural and electronicorders quite different from the starting ground state. This occurrenceis called photoinduced phase transition, and this multi-authoredbook reviews recent theoretical and experimental studies of this newphenomenon.
Author: Keiichiro Nasu
Publisher: World Scientific
ISBN: 9814483192
Category : Science
Languages : en
Pages : 354
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Book Description
A new class of insulating solids was recently discovered. When irradiated by a few visible photons, these solids give rise to a macroscopic excited domain that has new structural and electronic orders quite different from the starting ground state. This occurrence is called “photoinduced phase transition”, and this multi-authored book reviews recent theoretical and experimental studies of this new phenomenon.Why and how do photoexcited few electrons finally result in an excited domain with a macroscopic size? How is the resultant photoinduced phase different from the ordinary thermal-induced phase? This review volume answers those essential questions.This book has been selected for coverage in:• CC / Physical, Chemical & Earth Sciences• Index to Scientific Book Contents® (ISBC)
Author: Wolfgang Kaiser
Publisher: Springer Science & Business Media
ISBN: 3540473033
Category : Science
Languages : en
Pages : 500
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Book Description
This second edition in paperback provides an up-to-date review of the state of the art in different generation processes for ultrashort laser pulses. Inaddition, extensive applications in a wide range of fields - in physics,engineering, chemistry, and biology - are discussed: Eight chapters dealwith the following topics: -the generation of picosecond and femtosecond laser pulses -nonlinear wave interactions - new investigations in solid-state physics - recent progress in optoelectronics - advances in coherent material excitations - ultrafast vibrational lifetimes and energy redistribution in liquids - new observations of chemical reactions in the liquid state - the primary processes of important biological systems The book is essential reading for scientists and engineers who want to know what is going on in this rapidly advancing field. It should also interest graduate students and others who seek an introduction to laserpulses.
Author: Claude Rulliere
Publisher: Springer Science & Business Media
ISBN: 0387266747
Category : Science
Languages : en
Pages : 438
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Book Description
This smooth introduction for advanced undergraduates starts with the fundamentals of lasers and pulsed optics. Thus prepared, the student is introduced to short and ultrashort laser pulses, and learns how to generate, manipulate, and measure them. Spectroscopic implications are also discussed. The second edition has been completely revised and includes two new chapters on some of the most promising and fast-developing applications in ultrafast phenomena: coherent control and attosecond pulses.
Author: Jean-Claude Diels
Publisher: Elsevier
ISBN: 0080466400
Category : Science
Languages : en
Pages : 675
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Book Description
Ultrashort Laser Pulse Phenomena, Second Edition serves as an introduction to the phenomena of ultra short laser pulses and describes how this technology can be used to examine problems in areas such as electromagnetism, optics, and quantum mechanics. Ultrashort Laser Pulse Phenomena combines theoretical backgrounds and experimental techniques and will serve as a manual on designing and constructing femtosecond ("faster than electronics") systems or experiments from scratch. Beyond the simple optical system, the various sources of ultrashort pulses are presented, again with emphasis on the basic concepts and how they apply to the design of particular sources (dye lasers, solid state lasers, semiconductor lasers, fiber lasers, and sources based on frequency conversion). Provides an easy to follow guide through "faster than electronics" probing and detection methods THE manual on designing and constructing femtosecond systems and experiments Discusses essential technology for applications in micro-machining, femtochemistry, and medical imaging
Author: Eugene G. Gamaly
Publisher: CRC Press
ISBN: 9814241814
Category : Science
Languages : en
Pages : 370
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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:
Publisher:
ISBN:
Category : Laser beams
Languages : en
Pages : 460
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Book Description
Author: Wolfgang Kaiser
Publisher: Springer Science & Business Media
ISBN: 3662025469
Category : Science
Languages : en
Pages : 434
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Book Description
Ten years ago, Stanley L. Shapiro edited the book entitled Ultrashort Light Pulses (Topics Appl. Phys., Vol. 18), which was written by eight experts in the field. Six years later, Charles V. Shank added a bibliography (1980-1983) in the second edition with approximately one thousand new references. During the past decade the field has grown so rapidly that a completely new book had to be written. In particular, the reduction of the time scale of light pulses into the femtosecond range has opened up new experimental possibilities never even foreseen in the preceding literature. The vast literature with countless ideas and applications makes it impossible for a single person to write a comprehensive review. Nine scientists, actively working in the field since its beginning, have decided to join forces to prepare a new book describing the present state of the art. Emphasis is placed on the generation and numerous applications of ultrashort laser pulses. This book covers a wide area of science: physics, engineering, chemistry, and biology. The various chapters and sections are prepared in each case such that the reader is given a brief introduction to the specific subject. Ample references for a more detailed study are given at the end of each chapter.
