Results 11 to 20 of about 27,457 (261)
Single-shot X-ray absorption spectroscopy at X-ray free electron lasers [PDF]
Scientific Reports, 2023 X-ray Absorption Spectroscopy (XAS) is a widely used X-ray diagnostic method for studying electronic and structural properties of matter. At first glance, the relatively narrow bandwidth and the highly fluctuating spectral structure of X-ray Free ...
Marion Harmand +5 more
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Features and futures of X-ray free-electron lasers [PDF]
The Innovation, 2021 Linear accelerator-based free-electron lasers (FELs) are the leading source of fully coherent X-rays with ultra-high peak powers and ultra-short pulse lengths.
Nanshun Huang +4 more
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Laser assisted electron beam conditioning for free electron lasers
Physical Review Special Topics. Accelerators and Beams, 2005 A new method for electron beam conditioning in free electron lasers is proposed. It uses the electron beam interaction with a laser light in two wiggler magnets separated by a strong-focusing channel.
A. A. Zholents
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Fast modeling of regenerative amplifier free-electron lasers
Physical Review Research, 2023 High-gain free-electron lasers (FELs) are becoming important light sources at short wavelengths such as the EUV and x-ray regimes. A particularly promising concept is the regenerative amplifier FEL (RAFEL), which can greatly increase the brightness and ...
River R. Robles +3 more
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Optical guiding in a free electron laser [PDF]
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 1985 Abstract The coherent interaction between an optical wave and an electron beam in a free electron laser (FEL) is shown to be capable of optically guiding the light. The effect is analyzed using a two-dimensional approximation for the FEL equations, and using the properties of optical fibers.
Scharlemann, E. T. +2 more
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Analysis of Čerenkov free-electron lasers
Physical Review Special Topics. Accelerators and Beams, 2015 We present an analysis of a Čerenkov free-electron laser (FEL) driven by a flat electron beam. In this system, an electron beam traveling close to a dielectric slab placed at the top of an ideal conductor interacts with the copropagating electromagnetic ...
Yashvir Kalkal, Vinit Kumar
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Ultrashort ultraviolet free-electron lasers [PDF]
Journal of X-Ray Science and Technology, 1994 In this work we combine elements of chirped pulse amplification (CPA) techniques, now familiar in solid-state lasers, with an amplifier based upon a seeded free-electron laser (FEL). The resulting device would produce amplified pulses of unprecedented brevity at wavelengths shorter than can be currently obtained by any tunable laser system.
Umstadter, Donald +3 more
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Harmonic lasing in x-ray free electron lasers
Physical Review Special Topics. Accelerators and Beams, 2012 Harmonic lasing in a free electron laser with a planar undulator (under the condition that the fundamental frequency is suppressed) might be a cheap and efficient way of extension of wavelength ranges of existing and planned x-ray free electron laser ...
E. A. Schneidmiller, M. V. Yurkov
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Special Issue on Latest Trends in Free Electron Lasers
Applied Sciences, 2022 In the last decade, free electron laser (FEL) sources operating from the extreme ultraviolet (EUV) up to the hard X-ray photon energy range [...]
Emiliano Principi
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High efficiency, multiterawatt x-ray free electron lasers
Physical Review Accelerators and Beams, 2016 In this paper we present undulator magnet tapering methods for obtaining high efficiency and multiterawatt peak powers in x-ray free electron lasers (XFELs), a key requirement for enabling 3D atomic resolution single molecule imaging and nonlinear x-ray ...
C. Emma, K. Fang, J. Wu, C. Pellegrini
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