Control Over Extreme Ultraviolet High Harmonic Generation From Gases And Solids
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Control Over Extreme Ultraviolet High Harmonic Generation From Gases And Solids
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Author :
language : en
Publisher:
Release Date : 2023
Control Over Extreme Ultraviolet High Harmonic Generation From Gases And Solids written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2023 with categories.
The light source that has revolutionized attosecond science over the last decades is based on the process of high-harmonic generation (HHG), which is a unique method to generate a broadband coherent spectrum extending into the extreme-ultraviolet (XUV) range. The temporal and spatial resolution of HHG enables investigation of strong-field light-matter interaction in the ultrafast and ultrasmall dimensions, and finds applications in attosecond science, lensless imaging, and industrial metrology. Unfortunately, the intrinsic low conversion efficiency of HHG and the limited methods to control the generated XUV wavefront, slow down present research and future development of applications that are based on HHG. Control over the HHG process is essential to improve the conversion efficiency and XUV wavefront characteristics, in order to facilitate next-generation attosecond science and metrology. This thesis presents experimental techniques and results that demonstrate control over both gas-based and solid-based HHG in the extreme-ultraviolet regime. Additionally, the underlying mechanism and working principles are explained through theoretical models and simulations. In Chapter 4, we demonstrate divergence and yield optimization in polarization controlled two-color gas-based HHG. Imaging, spectroscopy, and metrology applications using HHG sources require high XUV brightness, related to the conversion efficiency and the focusability of the generated XUV pulses. We systematically investigate, both experimentally and theoretically, the effect of the relative polarization between the fundamental and its second harmonic in two-color HHG, and compare the results to a one-color configuration. In a perpendicular two-color field, the relative phase between the two colors can be used to manipulate the long or the short trajectories, allowing control over the divergence of the harmonics.
Extreme Ultraviolet High Harmonic Generation And Spectroscopy In Solids
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Author :
language : en
Publisher:
Release Date : 2015
Extreme Ultraviolet High Harmonic Generation And Spectroscopy In Solids written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015 with categories.
A Source Of Extreme Ultraviolet Light Based On High Harmonic Generation In Noble Gases
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Author : Peter Šušnjar
language : en
Publisher:
Release Date : 2016
A Source Of Extreme Ultraviolet Light Based On High Harmonic Generation In Noble Gases written by Peter Šušnjar and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016 with categories.
High Order Harmonic Generation In Solids
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Author : Marcelo Ciappina
language : en
Publisher: World Scientific
Release Date : 2024-06-11
High Order Harmonic Generation In Solids written by Marcelo Ciappina and has been published by World Scientific this book supported file pdf, txt, epub, kindle and other format this book has been release on 2024-06-11 with Science categories.
'High-order harmonics emerging from the interaction of strong laser fields with solid matter constitute a novel, highly sensitive tool for interrogating electronic structure and dynamics in solids. At the interface of attosecond physics and condensed matter physics, this book provides an excellent overview of the current state of the art.'Ferenc KrauszNobel Laureate in Physics, 2023High-order harmonic generation (HHG) in solids, the nonlinear upconversion of coherent radiation resulting from the interaction of a strong and short laser pulse with bulk matter, has come of age. Since the seminal experiments and theoretical developments, there has been a constant and vibrant interest in this topic. In this book, we invite experimental and theoretical experts in the field with the aim to summarize the progress made so far and propose new possibilities and prospects for the generation of high-order harmonics using solid samples. Nowadays, it is possible to engineer, both spatially and temporally with nanometric and attosecond resolution, the driven fields. This could bring solid HHG to the next exciting frontier as novel and fully tunable table-top coherent sources.
Nanoscale Photonic Imaging
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Author : Tim Salditt
language : en
Publisher: Springer Nature
Release Date : 2020-06-09
Nanoscale Photonic Imaging written by Tim Salditt and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-06-09 with Science categories.
This open access book, edited and authored by a team of world-leading researchers, provides a broad overview of advanced photonic methods for nanoscale visualization, as well as describing a range of fascinating in-depth studies. Introductory chapters cover the most relevant physics and basic methods that young researchers need to master in order to work effectively in the field of nanoscale photonic imaging, from physical first principles, to instrumentation, to mathematical foundations of imaging and data analysis. Subsequent chapters demonstrate how these cutting edge methods are applied to a variety of systems, including complex fluids and biomolecular systems, for visualizing their structure and dynamics, in space and on timescales extending over many orders of magnitude down to the femtosecond range. Progress in nanoscale photonic imaging in Göttingen has been the sum total of more than a decade of work by a wide range of scientists and mathematicians across disciplines, working together in a vibrant collaboration of a kind rarely matched. This volume presents the highlights of their research achievements and serves as a record of the unique and remarkable constellation of contributors, as well as looking ahead at the future prospects in this field. It will serve not only as a useful reference for experienced researchers but also as a valuable point of entry for newcomers.
A New Generation Of High Power Waveform Controlled Few Cycle Light Sources
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Author : Marcus Seidel
language : en
Publisher: Springer
Release Date : 2019-02-01
A New Generation Of High Power Waveform Controlled Few Cycle Light Sources written by Marcus Seidel and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-02-01 with Science categories.
This thesis presents first successful experiments to carrier-envelope-phase stabilize a high-power mode-locked thin-disk oscillator and to compress the pulses emitted from this laser to durations of only a few-optical cycles. Moreover, the monograph introduces several methods to achieve power-scalability of compression and stabilization techniques. All experimental approaches are compared in detail and may serve as a guideline for developing high-power waveform controlled, few-cycle light sources which offer tremendous potential to exploit extreme nonlinear optical effects at unprecedentedly high repetition rates and to establish table-top infrared light sources with a unique combination of brilliance and bandwidth. As an example, the realization of a multi-Watt, multi-octave spanning, mid-infrared femtosecond source is described. The thesis starts with a basic introduction to the field of ultrafast laser oscillators. It subsequently presents additional details of previously published research results and establishes a connection between them. It therefore addresses both newcomers to, and experts in the field of high-power ultrafast laser development.
Bright High Repetition Rate Source Of Narrowband Extreme Ultraviolet Harmonics Beyond 22 Ev
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Author :
language : en
Publisher:
Release Date : 2015
Bright High Repetition Rate Source Of Narrowband Extreme Ultraviolet Harmonics Beyond 22 Ev written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015 with categories.
Novel table-top sources of extreme-ultraviolet light based on high-harmonic generation yield unique insight into the fundamental properties of molecules, nanomaterials or correlated solids, and enable advanced applications in imaging or metrology. Extending high-harmonic generation to high repetition rates portends great experimental benefits, yet efficient extreme-ultraviolet conversion of correspondingly weak driving pulses is challenging. In this article, we demonstrate a highly-efficient source of femtosecond extreme-ultraviolet pulses at 50-kHz repetition rate, utilizing the ultraviolet second-harmonic focused tightly into Kr gas. In this cascaded scheme, a photon flux beyond ≈3 × 1013 s-1 is generated at 22.3 eV, with 5 × 10-5 conversion efficiency that surpasses similar harmonics directly driven by the fundamental by two orders-of-magnitude. The enhancement arises from both wavelength scaling of the atomic dipole and improved spatio-temporal phase matching, confirmed by simulations. Finally, spectral isolation of a single 72-meV-wide harmonic renders this bright, 50-kHz extreme-ultraviolet source a powerful tool for ultrafast photoemission, nanoscale imaging and other applications.
Generation And Application Of Coherent Extreme Ultraviolet Radiation
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Author : Hoang Vu Le
language : en
Publisher: LAP Lambert Academic Publishing
Release Date : 2015-06-29
Generation And Application Of Coherent Extreme Ultraviolet Radiation written by Hoang Vu Le and has been published by LAP Lambert Academic Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015-06-29 with categories.
High harmonic generation featuring ultra-short pulses, short wavelengths and highly coherent radiation in a table-top setup has become one of the most versatile and affordable tools for studies of atomic and molecular dynamics as well as for nano-scale coherent diffractive imaging. In this book, we show the background and technical aspects of the generation and enhancement of high order harmonic radiations down to the water window region (2.3 - 4.4 nm). The source is specifically tailored and developed for imaging applications. By controlling and stabilizing the phase-matching condition in a gas cell, an extreme ultra-violet source which satisfies these requirements has been generated. Using a harmonic source with wavelengths around 30 nm, a resolution of 45 nm for a micrometer-size transmission sample has been obtained and biological-like absorption samples are also successfully reconstructed. A phase retrieval algorithm with a phase-curvature correction is developed to take advantage of the higher photon flux when placing the sample near the focus point.
Atoms Solids And Plasmas In Super Intense Laser Fields
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Author : Dimitri Batani
language : en
Publisher: Springer Science & Business Media
Release Date : 2001-09-30
Atoms Solids And Plasmas In Super Intense Laser Fields written by Dimitri Batani and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2001-09-30 with Science categories.
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
Atoms Solids And Plasmas In Super Intense Laser Fields
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Author : Dimitri Batani
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Atoms Solids And Plasmas In Super Intense Laser Fields written by Dimitri Batani and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-06 with Science categories.
The recent developement of high power lasers, delivering femtosecond pulses of 20 2 intensities up to 10 W/cm , has led to the discovery of new phenomena in laser interactions with matter. At these enormous laser intensities, atoms, and molecules are exposed to extreme conditions and new phenomena occur, such as the very rapid multi photon ionization of atomic systems, the emission by these systems of very high order harmonics of the exciting laser light, the Coulomb explosion of molecules, and the acceleration of electrons close to the velocity of light. These phenomena generate new behaviour of bulk matter in intense laser fields, with great potential for wide ranging applications which include the study of ultra-fast processes, the development of high-frequency lasers, and the investigation of the properties of plasmas and condensed matter under extreme conditions of temperature and pressure. In particular, the concept of the "fast ignitor" approach to inertial confinement fusion (ICF) has been proposed, which is based on the separation of the compression and the ignition phases in laser-driven ICF. The aim of this course on "Atom, Solids and Plasmas in Super-Intense Laser fields" was to bring together senior researchers and students in atomic and molecular physics, laser physics, condensed matter and plasma physics, in order to review recent developments in high-intensity laser-matter interactions. The course was held at the Ettore Majorana International Centre for Scientific Culture in Erice from July 8 to July 14,2000.
