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Laser Shaping And Streaking For X Ray Free Electron Lasers
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Book Synopsis Laser Shaping and Streaking for X-ray Free-electron Lasers by : Siqi Li (Physics student)
Download or read book Laser Shaping and Streaking for X-ray Free-electron Lasers written by Siqi Li (Physics student) and published by . This book was released on 2019 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Lasers have been a versatile tool in facilitating x-ray free-electron lasers in various components of the machine. At the beginning of photocathode injectors, the properties of the drive laser determine the initial distribution of the electrons. Laser heater has been widely used to modulate electron bunch energy spread in order to suppress collective instabilities arising from dispersive sections in the accelerator. Interaction between optical lasers and the electron beam can be used to manipulate the phase space of the electron bunch to produce desirable shapes in the x-ray emission. After the x-ray photons have been generated, optical lasers are used in synchronization with the x-ray pulse to study dynamics in atomic and molecular systems. Moreover, they can provide single-shot diagnosis of the x-ray pulse, such as laser streaking, to extract valuable information about the x-ray pulse itself and the dynamic system under analysis, which can be challenging to probe directly. In this work we examine laser applications specifically in the Linac Coherent Light Source (LCLS). In the first half of the thesis, we focus on laser shaping techniques applied to the injector drive laser and the laser heater, in both spatial and temporal domains. We further discuss ghost imaging as an application of laser shaping in accelerators and its potential to be used in other x-ray and electron imaging experiments. In the second half, we switch gear to laser streaking as a measurement tool for attosecond x-ray pulses. We discuss in detail the generation of attosecond x-ray pulses at LCLS and present exciting results of the first single-shot characterization of such extremely short pulses using laser streaking.
Book Synopsis Attosecond and Femtosecond Beam Shaping for Nonlinear X-ray Spectroscopy with X-ray Free-electron Laser by : Zhaoheng Guo
Download or read book Attosecond and Femtosecond Beam Shaping for Nonlinear X-ray Spectroscopy with X-ray Free-electron Laser written by Zhaoheng Guo and published by . This book was released on 2023 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: X-ray Free-Electron Lasers (XFELs) are the brightest source of X-ray radiation with sufficient intensity to perform nonlinear X-ray spectroscopy, such as pump-probe experiments. By extending the nonlinear soft X-ray pump-probe techniques to few-femtosecond and attosecond timescales, we can probe the motion of valence electrons in molecular systems on their natural time scale. In this thesis, I will discuss two projects that use advanced electron beam shaping techniques to generate attosecond soft X-ray FEL pulse pairs and high-intensity few-femtosecond pulses at the Linac Coherent Light Source (LCLS). In the first project, we demonstrated the generation and control of two-color soft X-ray FEL pulse pairs with attosecond-scale durations and timing stability. We employed angular streaking to measure the time delay between pump/probe pulses. These gigawatt-level attosecond soft X-ray FEL pump/probe pulse pairs have been applied to directly time-resolve the charge migration in molecules. In the second project, we used the wakefield of a corrugated structure called a dechirper to produce a nondestructive transverse kick in the electron beam and selectively radiated different slices of the electron beam in multiple stages, enabling the generation of few-femtosecond soft X-ray FEL pulses with peak power of hundreds of gigawatts.
Book Synopsis Free Electron Lasers 1998 by : G.R. Neil
Download or read book Free Electron Lasers 1998 written by G.R. Neil and published by North Holland. This book was released on 1999-07-28 with total page 652 pages. Available in PDF, EPUB and Kindle. Book excerpt: The FEL field has grown enormously over the last years, which is reflected in the number of papers presented at the 1998 conference. A few specific areas in FEL are particularly active. Several groups are investigating self-amplified spontaneous emission (SASE) as a route to 0.1 nm FEL. Although the technical challenges are large, a growing portion of the community believes this is a feasible goal and have begun planning 4th generation light sources based on this technique. Already, demonstrations of SASE by many orders of magnitude in an unguided (by external means) optical mode have been achieved in the IR with extension into the UV soon to follow. Other groups are extending the applications of FELs by evolutionary changes in the capabilities of user facilities around the world. Many of these utilize other sources of radiation synchronously with tunable FEL beams. An emerging trend is th use of Thompson scattered photons from the electron beam. Because of the Doppler shift involved, the photons can be up-scattered into the X-ray (keV) or even gamma ray (MeV) regime forming a useful picosecond probe for analysis of materials or nuclear structure. Other groups continue to extend the range of FEL operation and a new record was set this year for short wavelength lasing (210nm) as well as production of the highest CW average power yet for a FEL (311 W). This exhaustive volume will provide the reader with an appreciation of the state of FEL technology and convey also the sense of excitement and interest that exists in the field. Despite the fact that it has been 22 years since the first demonstration of lasing in a FEL oscillator, the field continues to provide interesting areas for study and application.
Book Synopsis Transverse Pulse Shaping and Optimization of a Tapered Hard X-ray Free Electron Laser by :
Download or read book Transverse Pulse Shaping and Optimization of a Tapered Hard X-ray Free Electron Laser written by and published by . This book was released on 2014 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Femtosecond Beam Science by : Mitsuru Uesaka
Download or read book Femtosecond Beam Science written by Mitsuru Uesaka and published by World Scientific. This book was released on 2005-08-17 with total page 439 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book explores recent developments and advances in femtosecond beam science, making these more accessible through contributions from leaders in the field. Each contribution aims to make the particular area of femtosecond beam science accessible through explaining the particular field, reviewing recent advances worldwide, and featuring important results and possible future uses of femtosecond pulses in the field.Femtosecond beam science is expected to lead to the development of technology realizing dynamic microscopy, that is, the visualization of atomic motions, chemical reactions, protein dynamics and other microscopic dynamics. Advances have enabled the visualizations of phonons, thermal expansion and shock-wave propagation by advanced time-resolved X-ray diffraction, at a time resolution of 10 picoseconds. These achievements will extend to the development of femtosecond X-ray sources and fourth generation synchrotron light sources. Dynamic microscopy promises to be one of the most important issues in dynamic nanotechnology in the future. As a result, the overview of femtosecond beam science provided by this book will be useful./a
Book Synopsis X-Ray Free-Electron Laser by : Kiyoshi Ueda
Download or read book X-Ray Free-Electron Laser written by Kiyoshi Ueda and published by MDPI. This book was released on 2018-07-04 with total page 457 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is a printed edition of the Special Issue "X-Ray Free-Electron Laser" that was published in Applied Sciences
Book Synopsis X-ray Free Electron Lasers by : Sébastien Boutet
Download or read book X-ray Free Electron Lasers written by Sébastien Boutet and published by Springer. This book was released on 2018-12-27 with total page 486 pages. Available in PDF, EPUB and Kindle. Book excerpt: The timely volume describes recent discoveries and method developments that have revolutionized Structural Biology with the advent of X-ray Free Electron Lasers. It provides, for the first time, a comprehensive examination of this cutting-edge technology. It discusses of-the-moment topics such as growth and detection of nanocrystals, Sample Delivery Techniques for serial femtosecond crystallography, data collection methods at XFELs, and more. This book aims to provide the readers with an overview of the new methods that have been recently developed as well as a prospective on new methods under development. It highlights the most important and novel Structural Discoveries made recently with XFELS, contextualized with a big-picture discussion of future developments.
Book Synopsis Free Electron Lasers 1999 by : J. Feldhaus
Download or read book Free Electron Lasers 1999 written by J. Feldhaus and published by North Holland. This book was released on 2000 with total page 652 pages. Available in PDF, EPUB and Kindle. Book excerpt: Hardbound. The proceedings of this 1999 International Free Electron Laser Conference cover the latest research and developments in this wide ranging field. It includes FEL theory, FELs at linear accelerators and storage rings, SASE FELs, experiments at and with FELs, electron accelerator issues relevant for FELs, and photon beam diagnostics. The large spectrum of high-quality contributions and the good balance among theoretical work, experimental progress, new ideas and new projects underway, indicates that the R&D on FELs is indeed in a good shape and promises continuous progress in the future.
Book Synopsis Free-Electron Lasers in the Ultraviolet and X-Ray Regime by : Peter Schmüser
Download or read book Free-Electron Lasers in the Ultraviolet and X-Ray Regime written by Peter Schmüser and published by Springer. This book was released on 2014-02-19 with total page 240 pages. Available in PDF, EPUB and Kindle. Book excerpt: The main goal of the book is to provide a systematic and didactic approach to the physics and technology of free-electron lasers. Numerous figures are used for illustrating the underlying ideas and concepts and links to other fields of physics are provided. After an introduction to undulator radiation and the low-gain FEL, the one-dimensional theory of the high-gain FEL is developed in a systematic way. Particular emphasis is put on explaining and justifying the various assumptions and approximations that are needed to obtain the differential and integral equations governing the FEL dynamics. Analytical and numerical solutions are presented and important FEL parameters are defined, such as gain length, FEL bandwidth and saturation power. One of the most important features of a high-gain FEL, the formation of microbunches, is studied at length. The increase of gain length due to beam energy spread, space charge forces, and three-dimensional effects such as betatron oscillations and optical diffraction is analyzed. The mechanism of Self-Amplified Spontaneous Emission is described theoretically and illustrated with numerous experimental results. Various methods of FEL seeding by coherent external radiation are introduced, together with experimental results. The world’s first soft X-ray FEL, the user facility FLASH at DESY, is described in some detail to give an impression of the complexity of such an accelerator-based light source. The last chapter is devoted to the new hard X-ray FELs which generate extremely intense radiation in the Angstrøm regime. The appendices contain supplementary material and more involved calculations.
Book Synopsis Laser Beam Shaping Applications by : Fred M. Dickey
Download or read book Laser Beam Shaping Applications written by Fred M. Dickey and published by CRC Press. This book was released on 2005-07-26 with total page 370 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
Book Synopsis Laser Beam Shaping by : Fred M. Dickey
Download or read book Laser Beam Shaping written by Fred M. Dickey and published by CRC Press. This book was released on 2018-09-03 with total page 589 pages. Available in PDF, EPUB and Kindle. Book excerpt: Laser Beam Shaping: Theory and Techniques addresses the theory and practice of every important technique for lossless beam shaping. Complete with experimental results as well as guidance on when beam shaping is practical and when each technique is appropriate, the Second Edition is updated to reflect significant developments in the field. This authoritative text: Features new chapters on axicon light ring generation systems, laser-beam-splitting (fan-out) gratings, vortex beams, and microlens diffusers Describes the latest advances in beam profile measurement technology and laser beam shaping using diffractive diffusers Contains new material on wavelength dependence, channel integrators, geometrical optics, and optical software Laser Beam Shaping: Theory and Techniques, Second Edition not only provides a working understanding of the fundamentals, but also offers insight into the potential application of laser-beam-profile shaping in laser system design.
Book Synopsis Physics of and Science with X-Ray Free-Electron Lasers by : J. Hastings
Download or read book Physics of and Science with X-Ray Free-Electron Lasers written by J. Hastings and published by IOS Press. This book was released on 2020-12-18 with total page 272 pages. Available in PDF, EPUB and Kindle. Book excerpt: Many X-Ray Free-Electron Lasers (X-FELs) have been designed, built and commissioned since the first lasing of the Linac Coherent Light Source in the hard and soft X-ray regions, and great progress has been made in improving their performance and extending their capabilities. Meanwhile, experimental techniques to exploit the unique properties of X-FELs to explore atomic and molecular systems of interest to physics, chemistry, biology and the material sciences have also been developed. As a result, our knowledge of atomic and molecular science has been greatly extended. Nevertheless, there is still much to be accomplished, and the potential for discovery with X-FELs is still largely unexplored. The next generation of scientists will need to be well versed in both particle beams/FEL physics and X-ray photon science. This book presents material from the Enrico Fermi summer school: Physics of and Science with X-Ray Free-Electron Lasers, held at the Enrico Fermi International School of Physics in Varenna, Italy, from 26 June - 1 July 2017. The lectures presented at the school were aimed at introducing graduate students and young scientists to this fast growing and exciting scientific area, and subjects covered include basic accelerator and FEL physics, as well as an introduction to the main research topics in X-FEL-based biology, atomic molecular optical science, material sciences, high-energy density physics and chemistry. Bridging the gap between accelerator/FEL physicists and scientists from other disciplines, the book will be of interest to all those working in the field.
Book Synopsis Nonlinear Optics, Quantum Optics, and Ultrafast Phenomena with X-Rays by : Bernhard Adams
Download or read book Nonlinear Optics, Quantum Optics, and Ultrafast Phenomena with X-Rays written by Bernhard Adams and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 348 pages. Available in PDF, EPUB and Kindle. Book excerpt: Nonlinear Optics, Quantum Optics, and Ultrafast Phenomena with X-Rays is an introduction to cutting-edge science that is beginning to emerge on state-of-the-art synchrotron radiation facilities and will come to flourish with the x-ray free-electron lasers currently being planned. It is intended for the use by scientists at synchrotron radiation facilities working with the combination of x-rays and lasers and those preparing for the science at x-ray free-electron lasers. In the past decade synchrotron radiation sources have experienced a tremendous increase in their brilliance and other figures of merit. This progress, driven strongly by the scientific applications, is still going on and may actually be accelerating with the advent of x-ray free-electron lasers. As a result, a confluence of x-ray and laser physics is taking place, due to the increasing importance of laser concepts, such as coherence and nonlinear optics to the x-ray community and the importance of x-ray optics to the laser-generation of ultrashort pulses of x-rays.
Book Synopsis The Physics of Free Electron Lasers by : E.L. Saldin
Download or read book The Physics of Free Electron Lasers written by E.L. Saldin and published by Springer Science & Business Media. This book was released on 2013-03-09 with total page 470 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Free Electron Laser (FEL) will be a crucial tool for research and industrial applications. This book describes the physical fundamentals of FELs on the basis of classical mechanics, electrodynamics, and the kinetic theory of charged particle beams, and will be suitable for graduate students and scientists alike. After a short introduction, the book discusses the theory of the FEL amplifier and oscillator, diffraction effects in the amplifier, and waveguide FEL.
Book Synopsis Scientific and Technical Aerospace Reports by :
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1995 with total page 692 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Technical Design Report by : Dieter Krämer
Download or read book Technical Design Report written by Dieter Krämer and published by . This book was released on 2004 with total page 494 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Study of the Feasibility of an X-ray Free Electron Laser with a CLIC Beam by :
Download or read book Study of the Feasibility of an X-ray Free Electron Laser with a CLIC Beam written by and published by . This book was released on 2002 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
