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Author : Niki Hatzilambrou
Publisher :
ISBN 13 :
Total Pages : 124 pages
Book Rating : 4.:/5 (4 download)
Download or read book Atomic Photoionization by Intense, Short Laser Pulses written by Niki Hatzilambrou and published by . This book was released on 1994 with total page 124 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : A. L'Huillier
Publisher : Springer Science & Business Media
ISBN 13 : 1461579635
Total Pages : 494 pages
Book Rating : 4.4/5 (615 download)
Download or read book Super-Intense Laser—Atom Physics written by A. L'Huillier and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 494 pages. Available in PDF, EPUB and Kindle. Book excerpt: The rapid development of powerful pulsed lasers is at the origin of a conside rable interest in studying the response of an atom, a molecule (or a solid) to a strong electromagnetic field. It is now possible to produce at the laboratory scale, ultra-short 13 pulses with a duration of 100 femtoseconds (10- second) and a power of the order 12 of 1 terawatt (10 Watt). Under these conditions, very high peak intensities may be obtained and electric fields exceeding typical electron binding fields in atoms are generated. The interaction of an atom or a molecule with such electromagnetic fields has a highly non-linear character which leads to unexpected phenomena. Amongst them, - above-threshold ionization (ATI) i.e. the absorption of additional photons in excess of the minimal number necessary to overcome the ionization potential and its molecular counterpart, above-threshold dissociation (ATD); - generation of very high harmonics of the driving field; - stabilization of one-electron systems in strong fields. These processes were the main topics of two international meetings which were held in 1989 and 1991 in the United States under the common name SILAP (Super-Intense Laser-Atom Physics).
Author : Andre D. Bandruk
Publisher : Springer
ISBN 13 :
Total Pages : 572 pages
Book Rating : 4.X/5 (1 download)
Download or read book Atomic and Molecular Processes with Short Intense Laser Pulses written by Andre D. Bandruk and published by Springer. This book was released on 1988-06 with total page 572 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Bernard Piraux
Publisher : Springer Science & Business Media
ISBN 13 : 9780792368632
Total Pages : 444 pages
Book Rating : 4.3/5 (686 download)
Download or read book Super-Intense Laser-Atom Physics written by Bernard Piraux and published by Springer Science & Business Media. This book was released on 2001-03-31 with total page 444 pages. Available in PDF, EPUB and Kindle. Book excerpt: The study of atomic systems exposed to super-intense laser fields de fines an important area in atomic, molecular and optical physics. Although the concept of super-intense field has no absolute meaning, it is now usual to call an electromagnetic field super-intense when it exceeds the atomic binding field. In the case of the simplest atomic system, hydrogen in its 16 2 ground state, this occurs above an intensity of 3. 5 x 10 Wattfcm which is the atomic unit of intensity. Presently at the laboratory scale and in ex tremely short and tightly focussed laser pulses, the electric field strength 16 18 2 reaches peak values which are of the order of 10 - 10 Wattfcm in the infrared frequency regime, the prospect being that such peak intensities may be reached within a few years in a regime of much higher frequencies (XUV or even X). The interaction of such electromagnetic fields with an atomic system has a highly non-linear character which has led to the observation of to tally unexpected phenomena. There are three fundamental processes which have marked the beginning of an intensive research in the field of super intense laser-atom physics (SILAP). These processes which only involve one atomic electron are (i) the so-called above-threshold ionisation i. e.
Author : Markus Kitzler
Publisher : Springer
ISBN 13 : 3319201735
Total Pages : 385 pages
Book Rating : 4.3/5 (192 download)
Download or read book Ultrafast Dynamics Driven by Intense Light Pulses written by Markus Kitzler and published by Springer. This book was released on 2015-07-24 with total page 385 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book documents the recent vivid developments in the research field of ultrashort intense light pulses for probing and controlling ultrafast dynamics. The recent fascinating results in studying and controlling ultrafast dynamics in ever more complicated systems such as (bio-)molecules and structures of meso- to macroscopic sizes on ever shorter time-scales are presented. The book is written by some of the most eminent experimental and theoretical experts in the field. It covers the new groundbreaking research directions that were opened by the availability of new light sources such as fully controlled intense laser fields with durations down to a single oscillation cycle, short-wavelength laser-driven attosecond pulses and intense X-ray pulses from the upcoming free electron lasers. These light sources allowed the investigation of dynamics in atoms, molecules, clusters, on surfaces and very recently also in nanostructures and solids in new regimes of parameters which, in turn, led to the identification of completely new dynamics and methods for controlling it. Example topics covered by this book include the study of ultrafast processes in large molecules using attosecond pulses, control of ultrafast electron dynamics in solids with shaped femtosecond laser pulses, light-driven ultrafast plasmonic processes on surfaces and in nanostructures as well as research on atomic and molecular systems under intense X-ray radiation. This book is equally helpful for people who would like to step into this field (e.g. young researchers), for whom it provides a broad introduction, as well as for already experienced researchers who may enjoy the exhaustive discussion that covers the research on essentially all currently studied objects and with all available ultrafast pulse sources.
Author : Ralf Zimmermann
Publisher : John Wiley & Sons
ISBN 13 : 3527335102
Total Pages : 448 pages
Book Rating : 4.5/5 (273 download)
Download or read book Photoionization and Photo-Induced Processes in Mass Spectrometry written by Ralf Zimmermann and published by John Wiley & Sons. This book was released on 2021-07-06 with total page 448 pages. Available in PDF, EPUB and Kindle. Book excerpt: Provides comprehensive coverage of laser-induced ionization processes for mass spectrometry analysis Drawing on the expertise of the leading academic and industrial research groups involved in the development of photoionization methods for mass spectrometry, this reference for analytical scientists covers both the theory and current applications of photo-induced ionization processes. It places widely used techniques such as MALDI side by side with more specialist approaches such as REMPI and RIMS, and discusses leading edge developments in ultrashort laser pulse desorption, to give readers a complete picture of the state of the technology. Photoionization and Photo-Induced Processes in Mass Spectrometry: Fundamentals and Applications starts with a complete overview of the fundamentals of the technique, covering the basics of the gas phase ionization as well as those of laser desorption and ablation, pulse photoionization, and single particle ionization. Numerous application examples from different analytical fields are described that showcase the power and the wide scope of photo ionization in mass spectrometry. -The first general reference book on photoionization techniques for mass spectrometry -Examines technologies and applications of gas phase resonance-enhanced multiphoton ionization mass spectrometry (REMPI-MS) and gas phase resonance ionization mass spectrometry (RIMS) -Provides complete coverage of popular techniques like MALDI -Discusses the current and potential applications of each technology, focusing on process and environmental analysis Photoionization and Photo-Induced Processes in Mass Spectrometry: Fundamentals and Applications is an excellent book for spectroscopists, analytical chemists, photochemists, physical chemists, and laser specialists.
Author : Andre D. Bandruk
Publisher : Springer
ISBN 13 : 9781461309680
Total Pages : 481 pages
Book Rating : 4.3/5 (96 download)
Download or read book Atomic and Molecular Processes with Short Intense Laser Pulses written by Andre D. Bandruk and published by Springer. This book was released on 2013-05-02 with total page 481 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 99 pages
Book Rating : 4.:/5 (914 download)
Download or read book Photoionization of Atoms with Ultrashort XUV Laser Pulses at Extreme Intensities written by and published by . This book was released on 2015 with total page 99 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Dimitri Batani
Publisher : Springer Science & Business Media
ISBN 13 : 9780306466151
Total Pages : 434 pages
Book Rating : 4.4/5 (661 download)
Download or read book Atoms, Solids, and Plasmas in Super-Intense Laser Fields written by Dimitri Batani and published by Springer Science & Business Media. This book was released on 2001-09-30 with total page 434 pages. Available in PDF, EPUB and Kindle. Book excerpt: Proceedings of the 30th Course of the International School of Quantum Electronics on Atoms, Solids and Plasmas in Super-Intense Laser Fields, held 8-14 July, in Erice, Sicily
Author : Mihai Gavrila
Publisher :
ISBN 13 :
Total Pages : 542 pages
Book Rating : 4.:/5 (318 download)
Download or read book Atoms in Intense Laser Fields written by Mihai Gavrila and published by . This book was released on 1992 with total page 542 pages. Available in PDF, EPUB and Kindle. Book excerpt: For graduate students, laser scientists, atomic, molecular and optical physicists, topics include the effects of superintense laser fields on multiphoton ionization and harmonic generation; novel effects with ultrashort, subpicosecond laser pulses; and Rydberg atoms in intense microwave fields.
Author : Andre D Bandrauk
Publisher : Springer Science & Business Media
ISBN 13 : 1461533643
Total Pages : 397 pages
Book Rating : 4.4/5 (615 download)
Download or read book Coherence Phenomena in Atoms and Molecules in Laser Fields written by Andre D Bandrauk and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 397 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume contains the lectures and communications presented at the NATO Advanced Research Workshop (NATO ARW 900857) which was held May 5-10, 1991 at McMaster University, Hamilton, Ontario, Canada. A scientific commitee made up of P.P. Lambropoulos (USC & Crete), P.8. Corkum (NRC, Ottawa), and H. B. vL. van den Heuvell (FOM, Amsterdam) guided the organizers, A.D. Bandrauk (Sherbrooke) and S.C. Wallace (Toronto) in preparing a programme which would cover the latest advances in the field of atom and molecule laser interactions. Since the last meeting held in July 1987 on "Atomic and Molecular Processes with Short Intense Laser Pulses", NATO ASI vol 1718 (Plenum Press 1988), considerable progress has been made in understanding high intensity effects on atoms and the concomitant coherence effects. After four years, the emphasis is now shifting more to molecules. The present volume represents therefore this trend with four sections covering the main interests of research endeavours in this area: i) Atoms in Intense Laser-Fields ii) Molecules in Intense Laser Fields iii) Atomic Coherences iv) Molecular Coherences The experience developed over the years in multiphoton atomic processes has been very useful and is the main source of our understanding of similar processes in molecules. Thus ATI (above threshold ionization) has been found to occur in molecules as well as a new phenomenon, ATD (above-threshold dissociation). Laser-induced avoided crossings of molecular electronic surfaces is also now entering the current language of high intensity molecular processes.
Author : Allan Johansson
Publisher :
ISBN 13 :
Total Pages : 174 pages
Book Rating : 4.F/5 ( download)
Download or read book Applications of Short Extreme Ultraviolet Pulses to the Spectroscopy of Atoms and Molecules written by Allan Johansson and published by . This book was released on 2003 with total page 174 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Max Möller
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (11 download)
Download or read book Probing Strong-field Photoionization of Atoms and Diatomic Molecules with Short-wave Infrared Radiation written by Max Möller and published by . This book was released on 2017 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The investigation of the interaction between atoms and diatomic molecules with strong laser fields with peak intensities in the range between ?10?^12 and ?10?^16 W/cm^2 has revealed fascinating phenomena such as high energy above-threshold ionization (HATI), non-sequential ionization (NSDI), high-harmonic generation (HHG) and frustrated tunnel ionization (FTI). Although experimental and theoretical considerations have shown that using longer laser wavelength is interesting from several aspects, the majority of measurements has been performed at laser wavelengths below 1.0 μm. Here, a laser source of intense femtosecond laser pulses with short-wave infrared (SWIR) wavelength is put to operation and applied to investigate strong-field photoionization (SFI) of atoms and diatomic molecules using two different experimental techniques for momentum spectroscopy of laser-induced fragmentation processes. Momentum distributions from strong-field photoionization of Xenon with different pulse duration are measured using the velocity map imaging technique. Besides observation of the pulse duration dependence a low-energy feature is investigated in detail. The corresponding modeling shows that the observations can be traced to rescattering between the laser-driven photoelectron and the remaining ion. SFI of the hydrogen molecular ion, H_2^+ (H_2^+?H^++H^++e^-), is investigated using Ion Target Recoil Ion Momentum Spectroscopy (ITRIMS). Besides measuring intensity dependent vector momentum distributions it is shown that momentum conservation can be used to extract the correlated electron momentum from the measured data, although the electron is not detected. This enables the analysis of the correlated electron-nuclear momentum distribution. Together, with a one-dimensional two-level model, this sheds light on correlated electron-nuclear ionization dynamics during SFI of diatomic molecules by SWIR fields.
Author : H.G. Muller
Publisher : Springer Science & Business Media
ISBN 13 : 9780792340485
Total Pages : 630 pages
Book Rating : 4.3/5 (44 download)
Download or read book Super-Intense Laser-Atom Physics IV written by H.G. Muller and published by Springer Science & Business Media. This book was released on 1996-05-31 with total page 630 pages. Available in PDF, EPUB and Kindle. Book excerpt: Atoms in strong radiation fields are interesting objects for study, and the research field that concerns itself with this study is a comparatively young one. For a long period after the ~scovery of the photoelectric effect. it was not possible to generate electro magnetic fields that did more than perturb the atom only slightly, and (first-or~er) perturbation theory could perfectly explain what was going on at those low intensities. The development of the pulsed laser bas changed this state of affairs in a rather dramatic way, and fields can be applied that really have a large, or even dominant influence on atomic structure. In the latter case, w~ speak of super-intense fields. Since the interaction between atoms and electromagnetic waves is characterized by many parameters other than the light intensity, such as frequency, iQnization potential, orbit time, etc., it is actually quite difficult to define what is exactly meant by the term 'super-intense'. Obviously the term does not have an absolute meaning, and intensity should always be viewed in relation to other properties of the system. An atom in a radiation field can thus best be described in terms of various ratios of the quantities involved. The nature of the system sometimes drastically changes if the value of one of these parameters exceeds a certain critical value, and the new regime could be called super-intense with respect to that parameter.
Author : Jan Posthumus
Publisher : Cambridge University Press
ISBN 13 : 0521772400
Total Pages : 275 pages
Book Rating : 4.5/5 (217 download)
Download or read book Molecules and Clusters in Intense Laser Fields written by Jan Posthumus and published by Cambridge University Press. This book was released on 2001-06-28 with total page 275 pages. Available in PDF, EPUB and Kindle. Book excerpt: A thorough introduction to the subject, covering theory and experiments, for graduates and researchers.
Author : Zhiming M. Wang
Publisher : Springer Science & Business Media
ISBN 13 : 1461494729
Total Pages : 392 pages
Book Rating : 4.4/5 (614 download)
Download or read book Nanodroplets written by Zhiming M. Wang and published by Springer Science & Business Media. This book was released on 2014-01-08 with total page 392 pages. Available in PDF, EPUB and Kindle. Book excerpt: Nanodroplets, the basis of complex and advanced nanostructures such as quantum rings, quantum dots and quantum dot clusters for future electronic and optoelectronic materials and devices, have attracted the interdisciplinary interest of chemists, physicists and engineers. This book combines experimental and theoretical analyses of nanosized droplets which reveal many attractive properties. Coverage includes nanodroplet synthesis, structure, unique behaviors and their nanofabrication, including chapters on focused ion beam, atomic force microscopy, molecular beam epitaxy and the "vapor-liquid- solid" route. Particular emphasis is given to the behavior of metallic nanodroplets, water nanodroplets and nanodroplets in polymer and metamaterial nanocomposites. The contributions of leading scientists and their research groups will provide readers with deeper insight into the chemical and physical mechanisms, properties, and potential applications of various nanodroplets.
Author : Christina-Anastasia Alexandridi
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (11 download)
Download or read book Attosecond Spectroscopy written by Christina-Anastasia Alexandridi and published by . This book was released on 2018 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: The interaction of intense laser pulses with atomic and molecular gases results in exceptionally short bursts of XUV light, through the process of high-order harmonic generation of the fundamental laser frequency. This ultrashort radiation, in the attosecond (10−18 s) range, allows detailed investigations of ultrafast electron dynamics in matter. The work of this thesis consists in studying the photoionization delays close to different types of resonances, using the Rainbow RABBIT technique. This is a two-color interferometric technique (XUV + IR) that allows access to the time required for the electron to escape the atomic potential with high resolution. We are particularly interested in two cases: i) autoionizing resonances which are spectrally narrow (tens of meV) and ii) Cooper-type minima which have a spectral width of some eV. The effect of these continuum structures on the corresponding ionization dynamics is studied.
