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High Efficiency Free Electron Laser Experiments
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Book Synopsis High-efficiency Free-electron-laser Experiments by :
Download or read book High-efficiency Free-electron-laser Experiments written by and published by . This book was released on 1983 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Experiments with a tapered-wiggler free-electron laser have demonstrated extraction of about 3% of the energy from the electron beam and measured the corresponding optical emission. These results are in excellent agreement with theory and represent an order-of-magnitude improvement over all previous results.
Book Synopsis Principles of Free Electron Lasers by : Henry P. Freund
Download or read book Principles of Free Electron Lasers written by Henry P. Freund and published by Springer Nature. This book was released on 2023-09-19 with total page 747 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents a comprehensive description of the physics of free-electron lasers starting from the fundamentals and proceeding through detailed derivations of the equations describing electron trajectories, and spontaneous and stimulated emission. Linear and nonlinear analyses are described, as are detailed explanations of the nonlinear simulation of a variety of configurations including amplifiers, oscillators, self-amplified spontaneous emission, high-gain harmonic generation, and optical klystrons. Theory and simulation are anchored using comprehensive comparisons with a wide variety of experiments.
Book Synopsis Principles of Free Electron Lasers by : H. P. Freund
Download or read book Principles of Free Electron Lasers written by H. P. Freund and published by Springer. This book was released on 2018-04-25 with total page 729 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents a comprehensive description of the physics of free-electron lasers starting from the fundamentals and proceeding through detailed derivations of the equations describing electron trajectories, and spontaneous and stimulated emission. Linear and nonlinear analyses are described, as are detailed explanations of the nonlinear simulation of a variety of configurations including amplifiers, oscillators, self-amplified spontaneous emission, high-gain harmonic generation, and optical klystrons. Theory and simulation are anchored using comprehensive comparisons with a wide variety of experiments.
Book Synopsis Synchrotron Radiation and Free-Electron Lasers by : Kwang-Je Kim
Download or read book Synchrotron Radiation and Free-Electron Lasers written by Kwang-Je Kim and published by Cambridge University Press. This book was released on 2017-03-23 with total page 299 pages. Available in PDF, EPUB and Kindle. Book excerpt: Preliminary concepts -- Synchrotron radiation -- Basic FEL physics -- 1D FEL analysis -- 3D FEL analysis -- Harmonic generation in high-gain FELs -- FEL oscillators and coherent hard X-rays -- Practical considerations and experimental results for high-gain FELs
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 Free Electron Lasers by : S. Martellucci
Download or read book Free Electron Lasers written by S. Martellucci and published by Springer Science & Business Media. This book was released on 2013-03-09 with total page 698 pages. Available in PDF, EPUB and Kindle. Book excerpt: The volume contains the proceedings of the 7th Course on Physics and Technology of Free Electron Lasers of the International School of Quantum Electronics, which was held in Erice (Italy) from 17 to 29 August 1980, under the auspices of the "Ettore Majorana" Centre for Scientific Culture. The level of this Course was much closer to a workshop than to a school, and "Advances in Free Electron Lasers" might have been an appropriate title. Many of the world's leading scientists in the field (among them, the inventor of FEL, J. M. J. Madey) were brought together to review the accomplishments of FEL experiments, as well various trends in FEL theory. In editing this material we did not modify the original manu scripts except to assist in uniformity of style. The papers. are presented without reference to the chronology of the Course but in the following topical arrangement: A. "Fundamentals of free electron lasers," a group of tutorial papers; B. "Free electron lasers operating in the Compton regime," where theories and experiments of FELs based on Compton scattering are reviewed; C. "Free electron lasers operating in the Raman regime," a dis cussion of FELs based on Raman scattering; D. "Optical klystrons," where the possibility of this class of FEL is discussed from a theoretical viewpoint; E.
Book Synopsis Development and Applications of Free Electron Lasers by : Jia Chen
Download or read book Development and Applications of Free Electron Lasers written by Jia Chen and published by CRC Press. This book was released on 1997-05-22 with total page 176 pages. Available in PDF, EPUB and Kindle. Book excerpt: Provides a comprehensive overview of the field of free electron lasers. Each chapter is based on a graduate-level lecture given by an internationally-known expert in the field, and is self-contained, beginning with introductory background material and culminating in an in-depth discussion of the author's current research. Written with both the student physicist and the active researcher in mind, this book is sure to be an invaluable reference for graduate students and professionals alike.
Book Synopsis Free Electron Lasers - Proceedings Of The Beijing Fel Seminar by : Jiaer Chen
Download or read book Free Electron Lasers - Proceedings Of The Beijing Fel Seminar written by Jiaer Chen and published by World Scientific. This book was released on 1989-03-01 with total page 482 pages. Available in PDF, EPUB and Kindle. Book excerpt: At this International Seminar, the six invited speakers presented several lectures each on current FEL research. The volume contains papers on the theory and experimental research done on the oscillator, including the Los Alamos, Stanford/TRW program and recent important achievements on Induction FEL at Lawrence Livermore.
Download or read book Free-electron Laser Results written by and published by . This book was released on 1981 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The Los Alamos free-electron laser (FEL) amplifier experiment was designed to demonstrate high efficiency for transfer of energy from an electron beam to a light beam in the magnetic field of a tapered wiggler. Initial results indicate an energy transfer consistent with theory. Distinct groups of decelerated electrons as well as accelerated electrons are clearly present in the energy spectrum of electrons emerging from the wiggler when the laser light is present. The observed energy decrease for the electrons captured in the decelerating bucket is approx. 6% and the average decrease of the entire energy distribution is approx. 2% for the conditions of these initial measurements.
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 Ultraviolet and Soft X-Ray Free-Electron Lasers by : Peter Schmüser
Download or read book Ultraviolet and Soft X-Ray Free-Electron Lasers written by Peter Schmüser and published by Springer. This book was released on 2008-09-18 with total page 207 pages. Available in PDF, EPUB and Kindle. Book excerpt: The high scienti?c interest in coherent X-ray light sources has stimulated world-wide e?orts in developing X-ray lasers. In this book a particularly promising approach is described, the free-electron laser (FEL), which is p- sued worldwide and holds the promise to deliver ultra-bright X-ray pulses of femtosecond duration. Other types of X-ray lasers are not discussed nor do we try a comparison of the relative virtues and drawbacks of di?erent concepts. The book has an introductory character and is written in the style of a universitytextbookforthemanynewcomerstothe?eldoffree-electronlasers, graduate students as well as accelerator physicists, engineers and technicians; it is not intended to be a scienti?c monograph for the experts in the ?eld. Building on lectures by one of us (J. R.) at the CERN Accelerator School, and motivated by the positive response to a series of seminars on “FEL t- ory for pedestrians”, given by P. S. within the framework of the Academic Training Program at DESY, we have aimed at presenting the theory of the low-gainandthehigh-gainFELinaclearandconcisemathematicallanguage. Particular emphasis is put on explaining and justifying the assumptions and approximations that are needed to obtain the di?erential equations descr- ing the FEL dynamics. Although we have tried our best to be “simple”, the mathematical derivations are certainly not always as simple as one would like them to be. However, we are not aware of any easier approach to the FEL theory. Some of the more involved calculations are put into the appendices.
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 LASL Free Electron Laser Experiment by :
Download or read book LASL Free Electron Laser Experiment written by and published by . This book was released on 1980 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The accomplishment of a high-power, free-electron laser (FEL) is dependent on efficient transfer of electron energy to the laser electromagnetic field and efficient recovery of the remaining electron energy. Electron energy transfer to the laser field occurs in a wiggler. In the past, wigglers with a uniform period have been used. Recently, however, it has been proposed that a tapered wiggler would enhance the efficiency of energy transfer. In the Los Alamos Scientific Laboratory (LASL) experiments, the efficiency of energy transfer in tapered wigglers will be studied and recovery of a portion of the electron energy will be investigated. First, an amplifier experiment will be performed to demonstrate efficient energy extraction and laser gain of a tapered wiggler. In the second experiment, the FEL amplifier will be converted to an oscillator by increasing the duration of the electron beam pulse and by adding laser mirrors. In the third experiment, a racetrack beam-transport system will be added to the FEL oscillator to determine the recovery efficiency of the remaining electron energy.
Book Synopsis A Review of Free Electron Lasers by : C. W. Roberson
Download or read book A Review of Free Electron Lasers written by C. W. Roberson and published by . This book was released on 1989 with total page 160 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis High Efficiency Electron-Laser Interactions in Tapered Helical Undulators by : Joseph Duris
Download or read book High Efficiency Electron-Laser Interactions in Tapered Helical Undulators written by Joseph Duris and published by . This book was released on 2015 with total page 208 pages. Available in PDF, EPUB and Kindle. Book excerpt: Efficient coupling of relativistic electron beams with high power radiation lies at the heart of advanced accelerator and light source research and development. The inverse free electron laser is a stable accelerator capable of harnessing very high intensity laser electric fields to efficiently transfer large powers from lasers to electron beams. In this dissertation, we first present the theoretical framework to describe the interaction, and then apply our improved understanding of the IFEL to the design and numerical study of meter-long, GeV IFELs for compact light sources. The central experimental work of the dissertation is the UCLA BNL helical inverse free electron laser experiment at the Accelerator Test Facility in Brookhaven National Laboratory which used a strongly tapered 54cm long, helical, permanent magnet undulator and a several hundred GW CO2 laser to accelerate electrons from 52 to 106MeV, setting new records for inverse free electron laser energy gain (54MeV) and average accelerating gradient (100MeV/m). The undulator design and fabrication as well as experimental diagnostics are presented. In order to improve the stability and quality of the accelerated electron beam, we redesigned the undulator for a slightly reduced output energy by modifying the magnet gap throughout the undulator, and we used this modified undulator to demonstrated capture of >25% of the injected beam without prebunching. In the study of heavily loaded GeV inverse free electron lasers, we show that a majority of the power may be transferred from a laser to the accelerated electron beam. Reversing the process to decelerate high power electron beams, a mechanism we refer to as tapering enhanced stimulated superradiant amplification, offers a clear path to high power light sources. We present studies of radiation production for a wide range of wavelengths (10um, 13nm, and 0.3nm) using this method and discuss the design for a deceleration experiment using the same undulator used for acceleration in this experiment. By accounting for the evolving radiation field in the design of the undulator tapering, a large fraction of energy may be transferred between the electrons and laser, enabling compact, high-current GeV accelerators and various wavelength light-sources of unprecedented peak powers.
Book Synopsis Free-electron Lasers II by : Yves Petroff
Download or read book Free-electron Lasers II written by Yves Petroff and published by . This book was released on 1989 with total page 142 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The UCSB Free Electron Laser Experimental Program by : Luis R. Elias
Download or read book The UCSB Free Electron Laser Experimental Program written by Luis R. Elias and published by . This book was released on 1981 with total page 11 pages. Available in PDF, EPUB and Kindle. Book excerpt: The University of California at Santa Barbara (UCSB) free electron laser (FEL) program was initiated in January of 1980 at the Quantum Institute to study the operation of electrostatic accelerator free electron lasers. A detailed discussion of the operation of these devices can be found elsewhere in this book under the title 'Electrostatic Accelerator Free Electron Lasers'. The main goal in this paper is threefold: (1) to present a summary of the UCSB experimental FEL program to date, (2) to discuss future FEL device development objectives, and (3) to talk briefly about the future of applied research at UCSB. There is presently in existence a large number of high energy electron accelerator machines that can be readily used as sources of electron beams suitable to demonstrate the basic operation of free electron lasers. This is the case, for example, with the super-conducting electron accelerator at Stanford University where the first operation of the free electron laser was demonstrated in 1975, and where the potential operating characteristics of FEL's such as high power, high efficiency and broadband continuous tunability were clearly delineated. To realize all of the above predicted operating capabilities of free electron lasers it is, however, necessary to develop suitable electron beam sources.
