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Simulation And Design Methods For Free Electron Laser Systems
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Book Synopsis Simulation and Design Methods for Free-electron Laser Systems by : Robert A. Neuerman
Download or read book Simulation and Design Methods for Free-electron Laser Systems written by Robert A. Neuerman and published by . This book was released on 2009 with total page 47 pages. Available in PDF, EPUB and Kindle. Book excerpt: Modeling and simulation have proven invaluable to the design of various systems and planning of many experiments since the free-electron laser was invented in the 1970s. This thesis illustrates methods used for these tasks and for the validation and development of further theory. FEL systems and their components are described, briefly discussing how they fit into design considerations. Basic theory of FEL operation is reviewed, including the resonance condition, FEL wave and pendulum equations, and the concepts of undulator taper, extraction and beam quality. Two computer programs used for FEL simulation (FEL3D/FEL4D, developed at the Naval Postgraduate School, and Ginger, developed at Lawrence Berkeley National Laboratory) are discussed and compared, then applied to specific FEL cases. The cases studied serve to evaluate key performance characteristics of FELs. The final case study directly compares output from the two programs. In addition to this type of physics simulation, computer tools are also vital for component design. Relevant methods are illustrated using the example of an electrostatic cathode test cell and drawings made using the Los Alamos National Laboratories design tool, Poisson Superfish. After reviewing the principles involved and system constraints, a new test cell is designed for use with future NPS experiments. The effects of anodecathode spacing and anode aperture size are examined for two different anode configurations and recommendations are made for future design iterations.
Book Synopsis Free Electron Laser Single-Particle Dynamics Theory by :
Download or read book Free Electron Laser Single-Particle Dynamics Theory written by and published by . This book was released on 1990 with total page 62 pages. Available in PDF, EPUB and Kindle. Book excerpt: A detailed exploration of free electron laser (FEL) theory has been done in two areas. An exact solution to the phase-space trajectories in a linearly-polarized undulator has been obtained using a numerical simulation. The complicated phase-space motion caused by transverse undulator deflections makes a rigorous derivation for trajectories difficult, if not impossible. The numerical solution extends the understanding of electron trajectories by quantitatively describing the fast and slow components of motion. The Bessel function coupling coefficient, describing the slow evolution is found to be valid over a broad range of parameters even though its derivation is approximate. A second program has been developed that provides a simple, quick diagnostic for accelerator designers to evaluate how well a simulated beam design will perform as an FEL. The effect of beam quality conditions like energy, angular, and positional spread are shown to depend only on the initial conditions of the beam at the entrance to the undulator. This program takes the six phase-space coordinates of the beam directly from an accelerator simulation code, like PARMELA, and predicts its performance in an FEL system. This method substitutes for more lengthy, complex integrated simulations, like INEX, that require a CRAY computer.
Book Synopsis Free Electron Lasers by : Sandor Varro
Download or read book Free Electron Lasers written by Sandor Varro and published by BoD – Books on Demand. This book was released on 2012-03-14 with total page 263 pages. Available in PDF, EPUB and Kindle. Book excerpt: Free Electron Lasers consists of 10 chapters, which refer to fundamentals and design of various free electron laser systems, from the infrared to the xuv wavelength regimes. In addition to making a comparison with conventional lasers, a couple of special topics concerning near-field and cavity electrodynamics, compact and table-top arrangements and strong radiation induced exotic states of matter are analyzed as well. The control and diagnostics of such devices and radiation safety issues are also discussed. Free Electron Lasers provides a selection of research results on these special sources of radiation, concerning basic principles, applications and some interesting new ideas of current interest.
Book Synopsis Simulations of the High Average Power Selene Free Electron Laser Prototype by : Dennis D. Quick
Download or read book Simulations of the High Average Power Selene Free Electron Laser Prototype written by Dennis D. Quick and published by . This book was released on 1994 with total page 56 pages. Available in PDF, EPUB and Kindle. Book excerpt: Free electron laser (FEL) technology continues to advance, providing alternative solutions to existing and potential problems. The capabilities of an FEL with respect to tunability, power and efficiency make it an attractive choice when moving into new laser utilization fields. The initial design parameters, for any new system, offer a good base to begin system simulation tests in an effort to determine the best possible design. This is a study of the Novosibirsk design which is a prototype for the proposed SELENE FEL. The design uses a three-section, low-power optical klystron followed by a single-pass, high-power radiator. This system is inherently sensitive to electron beam quality, but affords flexibility in achieving the final design. The performance of the system is studied using the initial parameters. An FEL, configured as a simple, two section optical klystron is studied to determine the basic operating characteristics of a high current FEL klystron.
Book Synopsis Design and Simulation Challenges of a Linac-Based Free Electron Laser in the Presence of Collective Effects by : S. Di Mitri
Download or read book Design and Simulation Challenges of a Linac-Based Free Electron Laser in the Presence of Collective Effects written by S. Di Mitri and published by . This book was released on 2012 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Design and Simulation Challenges of a Linac-Based Free Electron Laser in the Presence of Collective Effects.
Book Synopsis Terahertz Free-electroni Laser Optical Design and Simulation by : Aaron A. Zimmer
Download or read book Terahertz Free-electroni Laser Optical Design and Simulation written by Aaron A. Zimmer and published by . This book was released on 2010 with total page 59 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Free Electron Laser (FEL) provides a versatile method for producing laser light. Traditionally, FELs are complicated in design and occupy large research facilities. The primary goal of this thesis is to investigate a particular FEL design that is small in size and operates in the terahertz (THz) frequency regime. The optics materials requirements are explored for power levels ranging from mW to kW. Additionally, as part of a simpler design and in spite of the large amount of diffraction present at THz wavelengths, a waveguide will not be utilized as others have done previously. Laser beam clipping, which is defined as the absorption of the laser beam at the outer edges of the diffracted mode, and a shortened undulator are investigated as methods to support the elimination of the waveguide.
Book Synopsis Free Electron Laser Simulation Techniques by : T. M. Tran
Download or read book Free Electron Laser Simulation Techniques written by T. M. Tran and published by . This book was released on 1990 with total page 21 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Modeling and Simulation of Laser Systems by :
Download or read book Modeling and Simulation of Laser Systems written by and published by . This book was released on 1994 with total page 236 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Free Electron Lasers 2003 by : Eisuke J. Minehara
Download or read book Free Electron Lasers 2003 written by Eisuke J. Minehara and published by Newnes. This book was released on 2012-12-02 with total page 800 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book contains the Proceedings of the 25th International Free Electron Laser Conference and the 10th Free Electron Laser Users Workshop, which were held on September 8-12, 2003 in Tsukuba, Ibaraki in Japan.
Book Synopsis The Theory and Design of a Chirped-pulse Inverse Free-electron Laser by : Anthony Lawrence Troha
Download or read book The Theory and Design of a Chirped-pulse Inverse Free-electron Laser written by Anthony Lawrence Troha and published by . This book was released on 2003 with total page 762 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Free Electron Lasers 2002 by : K.-J. Kim
Download or read book Free Electron Lasers 2002 written by K.-J. Kim and published by Newnes. This book was released on 2012-12-02 with total page 727 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book contains the Proceedings of the 24th International Free Electron Laser Conference and the 9th Free Electron Laser Users Workshop, which were held on September 9-13, 2002 at Argonne National Laboratory. Part I has been reprinted from Nucl. Instr. and Meth. A 507 (2003), Nos. 1-2.
Book Synopsis Modeling and Simulation of Laser Systems by : Donald L. Bullock
Download or read book Modeling and Simulation of Laser Systems written by Donald L. Bullock and published by . This book was released on 1989 with total page 228 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Experimental Requirements for a Self-amplified Spontaneous Emission Test System by : Gil A. Travish
Download or read book Experimental Requirements for a Self-amplified Spontaneous Emission Test System written by Gil A. Travish and published by . This book was released on 1996 with total page 714 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis High-power Amplifier Free Electron Lasers by :
Download or read book High-power Amplifier Free Electron Lasers written by and published by . This book was released on 2006 with total page 60 pages. Available in PDF, EPUB and Kindle. Book excerpt: The free electron laser (FEL) is among the latest technologies of interest to the U.S. military, in particular, the Navy. In naval applications, FEL laser would serve as a self-defense weapon system, protecting the ship from an array of threats including anti-surface cruise missiles and small boats. This system's potential range and deep magazine makes it ideal as point defense against incoming missiles. Its inexpensive cost of only a few dollars per engagement and multi-mission capability makes this future weapon system superior to the short-range missile-defense systems employed today. The most powerful FEL is currently located in Jefferson Lab, operating at 10 kW, two orders of magnitude short of the 1 MW power level required for weapons application. This thesis will describe the components and theory of operation of the FEL, as well as analyze two competing designs for the next step in the evolution of the future weapon system, the 100 kW FEL, proposed by Brookhaven and Los Alamos National Labs. Due to advances in NPS simulation techniques for the amplifier configuration, a more in depth analysis including the effects of electron beam tilt and shift is performed for the first time on these proposed designs.
Book Synopsis Design and Analysis of an Electron Gun/booster and Free Electron Laser Optical Analysis by : Sean P. Niles
Download or read book Design and Analysis of an Electron Gun/booster and Free Electron Laser Optical Analysis written by Sean P. Niles and published by . This book was released on 2010 with total page 241 pages. Available in PDF, EPUB and Kindle. Book excerpt: As interest in high power free electron lasers (FELs) has increased, the FEL and accelerator communities have been faced with the need to develop high bunch charge, high repetition rate, low emittance electron sources for use as the driving accelerators for FELs. A novel superconducting, radio-frequency (SRF) gun/booster has been designed by and built for the Naval Postgraduate School (NPS) FEL Beam Physics Lab in collaboration with Niowave, Inc., for studying this electron source regime. The NPS SRF gun/booster operates at 500 MHz and is based upon a quarter-wave structure. It incorporates many features that make it desirable for studying the cathodes and transport regimes necessary to explore high bunch charge beams, including adjustable field focusing, short transport out of the gun, and the ability to change cathode types and materials. After attaining "first beam" in June 2010, the NPS gun has been established as the first SRF electron gun in the United States. Initial results show excellent agreement with simulation with bunch charges of 110 pC and transverse emittance estimates of 4 mm-mrad. Additionally, a modal analysis tool for the NPS FEL simulation software is developed based upon the Hermite-Gaussian basis set. Using a minimization of mode coefficients approach, we decompose output optical fields for amplifier FEL designs and experiments for FEL optimization and comparison of laser output fields.
Book Synopsis Theoretical Study of Novel Concepts for Compact, High-gain Free Electron Lasers by : Panagiotis Baxevanis
Download or read book Theoretical Study of Novel Concepts for Compact, High-gain Free Electron Lasers written by Panagiotis Baxevanis and published by . This book was released on 2015 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: In recent years, the free-electron laser (FEL) has demonstrated its value as a tunable source of bright, coherent radiation with photon energies up to the X-ray region. For such short radiation wavelengths, three-dimensional (3D) effects (due to diffraction, emittance and focusing) become significant and must be taken into consideration. In this work, we present a systematic, fully 3D theoretical formalism applicable to a range of concepts for compact, high-gain FELs. These include novel schemes involving the use of transverse gradient (TGU) or laser undulators. Our approach utilizes either a standard eigenmode analysis for constant-parameter systems or a non-eigenmode expansion technique in terms of orthogonal transverse modes for cases where the parameters of the electron beam and/or the undulator vary along the longitudinal direction. The results we obtain fully characterize the system (electron beam and radiation) in the linear regime of the interaction and are shown to be in excellent agreement with simulation. Moreover, the formalism developed here can be used in comprehensive, theory-based optimization studies, with significant applications in FEL design.
Book Synopsis Review of Free-electron-laser (FEL) Simulation Techniques by : Trach Minh Tran
Download or read book Review of Free-electron-laser (FEL) Simulation Techniques written by Trach Minh Tran and published by . This book was released on 1990 with total page 27 pages. Available in PDF, EPUB and Kindle. Book excerpt:
