Statistical Properties of Radiation Power Levels from a High-gain Free-electron Laser at and Beyond Saturation
Statistical Properties of Radiation Power Levels from a High-gain Free-electron Laser at and Beyond Saturation

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Publisher:

Published: 2002

Total Pages: 5

ISBN-13:

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We investigate the statistical properties (e.g., shot-to-shot power fluctuations) of the radiation from a high-gain free-electron laser (FEL) operating in the nonlinear regime. We consider the case of an FEL amplifier reaching saturation whose shot-to-shot fluctuations in input radiation power follow a gamma distribution. We analyze the corresponding output power fluctuations at and beyond first saturation, including beam energy spread effects, and find that there are well-characterized values of undulator length for which the fluctuation level reaches a minimum.

Free Electron Lasers 2002
Free Electron Lasers 2002

Author: K.-J. Kim

Publisher: Newnes

Published: 2012-12-02

Total Pages: 727

ISBN-13: 0080930425

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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.

High-gain Free Electron Lasers as Generators of Short Wavelength Coherent Radiation
High-gain Free Electron Lasers as Generators of Short Wavelength Coherent Radiation

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Publisher:

Published: 1986

Total Pages:

ISBN-13:

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The development of coherent radiation in high-gain free electron lasers, either from initial noise or from low-power input radiation, is analyzed in terms of three-dimensional Maxwell-Klimontovich equations. Exponential growth and saturation, transverse radiation profiles, transverse coherence and spectral features are discussed. Two possible systems of high-gain free electron lasers, one based on a storage ring and by-pass, another based on a linac and damping rings, are considered for the generation of 400 A radiation.

An Analysis of the Saturation of a High Gain FEL.
An Analysis of the Saturation of a High Gain FEL.

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Publisher:

Published: 1992

Total Pages: 52

ISBN-13:

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We study the saturated state of an untapered free electron laser in the Compton regime, arising after exponential amplification of an initial low level of radiation by an initially monoenergetic, unbunched electron beam. The saturated state of the FEL is described by oscillations about an equilibrium state. Using the two invariants of the motion, and certain assumptions motivated by computer simulations, we provide approximate analytic descriptions of the radiation field and electron distribution in the saturation regime. We first consider a one-dimensional approximation, and later extend our approach to treat an electron beam of finite radial extent. Of note is a result on the radiated power in the case of an electron beam with small radius.

Brightness and Coherence of Radiation from Undulators and High-gain Free Electron Lasers
Brightness and Coherence of Radiation from Undulators and High-gain Free Electron Lasers

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Publisher:

Published: 1987

Total Pages:

ISBN-13:

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The purpose of this paper is to review the radiation characteristics of undulators and high-gain free electron lasers (FELs). The topics covered are: a phase-space method in wave optics and synchrotron radiation, coherence from the phase-space point of view, discussions of undulator performances in next-generation synchrotron radiation facility and the characteristics of the high-gain FELs and their performances. (LSP).

Laser-Driven Sources of High Energy Particles and Radiation
Laser-Driven Sources of High Energy Particles and Radiation

Author: Leonida Antonio Gizzi

Publisher: Springer Nature

Published: 2019-09-05

Total Pages: 264

ISBN-13: 3030258505

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This volume presents a selection of articles based on inspiring lectures held at the “Capri” Advanced Summer School, an original event conceived and promoted by Leonida Antonio Gizzi and Ralph Assmann that focuses on novel schemes for plasma-based particle acceleration and radiation sources, and which brings together researchers from the conventional accelerator community and from the high-intensity laser-matter interaction research fields. Training in these fields is highly relevant for ultra-intense lasers and applications, which have enjoyed dramatic growth following the development of major European infrastructures like the Extreme Light Infrastructure (ELI) and the EuPRAXIA project. The articles preserve the tutorial character of the lectures and reflect the latest advances in their respective fields. The volume is mainly intended for PhD students and young researchers getting started in this area, but also for scientists from other fields who are interested in the latest developments. The content will also appeal to radiobiologists and medical physicists, as it includes contributions on potential applications of laser-based particle accelerators.