Results 11 to 20 of about 71,310 (277)

Harmonic lasing in x-ray free electron lasers [PDF]

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
doaj   +3 more sources

High efficiency, multiterawatt x-ray free electron lasers [PDF]

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
doaj   +3 more sources

Ultrashort Free-Electron Laser X-ray Pulses [PDF]

Applied Sciences, 2017
For the investigation of processes happening on the time scale of the motion of bound electrons, well-controlled X-ray pulses with durations in the few-femtosecond and even sub-femtosecond range are a necessary prerequisite.
Wolfram Helml, Ivanka Grguraš, Pavle N. Juranić, Stefan Düsterer, Tommaso Mazza, Andreas R. Maier, Nick Hartmann, Markus Ilchen, Gregor Hartmann, Luc Patthey, Carlo Callegari, John T. Costello, Michael Meyer, Ryan N. Coffee, Adrian L. Cavalieri, Reinhard Kienberger   +15 more
doaj   +7 more sources

Fresh-slice multicolour X-ray free-electron lasers

Nature Photonics, 2016
A new scheme for multicolour X-ray free-electron lasers at soft X-ray wavelengths is proposed. The scheme significantly improves two-colour pulse generation and makes possible the first demonstration of three-colour pulse generation.
Alberto A. Lutman, Timothy J. Maxwell, James P. MacArthur, Marc W. Guetg, Nora Berrah, Ryan N. Coffee, Yuantao Ding, Zhirong Huang, Agostino Marinelli, Stefan Moeller, Johann C. U. Zemella   +10 more
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X-Ray Free Electron Lasers [PDF]

Journal of Physics B: Atomic, Molecular and Optical Physics, 2017
In a free-electron laser (FEL) the lasing medium is a high-energy beam of electrons flying with relativistic speed through a periodic magnetic field. The interaction between the synchrotron radiation that is produced and the electrons in the beam induces a periodic bunching of the electrons, greatly increasing the intensity of radiation produced at a ...
Feldhaus, J., Arthur, J., Hastings, J. B.   +2 more
  +5 more sources

X-ray Free-Electron Laser [PDF]

Applied Sciences, 2018
During the last decades, the advent of the short-wavelength Free Electron Lasers (FELs) in the range from extreme ultraviolet (XUV) to hard X-rays has opened a new research avenue for the investigations of ultrafast electronic and structural dynamics in any form of matter[...]
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An ultra-compact x-ray free-electron laser [PDF]

New Journal of Physics, 2020
Abstract In the field of beam physics, two frontier topics have taken center stage due to their potential to enable new approaches to discovery in a wide swath of science. These areas are: advanced, high gradient acceleration techniques, and x-ray free electron lasers (XFELs).
Rosenzweig, J. B, Majernik, N, Robles, R. R, Andonian, G, Camacho, O, Fukasawa, A, Kogar, A, Lawler, G, Miao, J, Musumeci, P, Naranjo, B, Sakai, Y, Candler, R, Pound, B, Pellegrini, C, Emma, C, Halavanau, A, Hastings, J, Li, Z, Nasr, M, Tantawi, S, Anisimov, P, Carlsten, B, Krawczyk, F, Simakov, E, Faillace, L, Ferrario, M, Spataro, B, Karkare, S, Maxson, J, Ma, Y, Wurtele, J, Murokh, A, Zholents, A, Cianchi, A, Cocco, D, van der Geer, S. B.   +36 more
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Cavity based x-ray free electron laser demonstrator at the European X-ray Free Electron Laser facility

Physical Review Accelerators and Beams, 2023
In this article, the concept of a recently funded R&D project for the installation of a proof-of-concept cavity-based x-ray free electron laser (CBXFEL) demonstrator experiment at the European XFEL facility is presented, with the first results expected in 2024.
Patrick Rauer, Winfried Decking, Dirk Lipka, Daniel Thoden, Torsten Wohlenberg, Immo Bahns, Ulf Brueggmann, Sara Casalbuoni, Massimiliano Di Felice, Martin Dommach, Jan Grünert, Suren Karabekyan, Andreas Koch, Daniele La Civita, Benoit Rio, Liubov Samoylova, Harald Sinn, Maurizio Vannoni, Christopher Youngman, Wolfgang Hillert, Jörg Rossbach   +20 more
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Transient nuclear inversion by x-ray free electron laser in a tapered x-ray waveguide

Physical Review Research, 2022
The enhancement of x-ray-matter interaction by guiding and focusing radiation from x-ray free electron lasers is investigated theoretically. We show that elliptical waveguides using a cladding material with a high atomic number, such as platinum, can ...
Yu-Hsueh Chen, Po-Han Lin, Guan-Ying Wang, Adriana Pálffy, Wen-Te Liao   +4 more
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Attosecond X-ray free electron laser [PDF]

EPJ Web of Conferences, 2013
For a real, meaningful pump-probe experiment with attosecond temporal resolution, an isolated attosecond pulse is in demand. In this vein we report the generation of an isolated ~ 148 attosecond pulse duration radiation pulse at 0.1 angstrom wavelength using current enhanced self-amplified spontaneous emission free electron laser.
Kim D. E., Kumar S., Kang H. S.
openaire   +2 more sources