Concept
Free-electron laser
Related publications (249)
Numerical Study of the Attosecond Free-Electron Laser Pulse Generation in the Soft X-ray Regime at the SwissFEL
Isolated attosecond pulses from an X-ray free-electron laser are in high demand for attosecond science, which enables the probing of electron dynamics by X-ray nonlinear spectroscopy and single-particle imaging.The aim of this thesis is to simulate attosec ...
EPFL2024Energy-Efficient Particle Accelerators for Research
Particle accelerators are the drivers for large-scale research infrastructures for particle physics but also for many branches of condensed matter research. The types of accelerator-driven research infrastructures include particle colliders, neutron, muon ...
2024Characterization of Transverse Instabilities Driven by Electron Cloud
Electron cloud continues to be one of the main limiting factors of the Large Hadron Collider (LHC), the biggest accelerator at CERN. These clouds form in the beam chamber when positively charged particles are passing through and cause unwanted effects in b ...
EPFL2024Hosing of a Long Relativistic Particle Bunch in Plasma
Ambrogio Fasoli, Ivo Furno, Patrick Blanchard, Yanis Andrebe, Riccardo Agnello, Christine Stollberg, Sun Hee Kim, Alban Sublet, Shuai Liu
Experimental results show that hosing of a long particle bunch in plasma can be induced by wakefields driven by a short, misaligned preceding bunch. Hosing develops in the plane of misalignment, selfmodulation in the perpendicular plane, at frequencies clo ...
Amer Physical Soc2024Terahertz emission from diamond nitrogen-vacancy centers
László Forró, Ferenc Simon, Bence Gábor Márkus, Sándor Kollarics
Coherent light sources emitting in the terahertz range are highly sought after for fundamental research and applications. Terahertz lasers rely on achieving population inversion. We demonstrate the generation of terahertz radiation using nitrogen-vacancy c ...
Amer Assoc Advancement Science2024Toward a brightness upgrade to the SwissFEL: A high gradient traveling-wave rf photogun
Mike Seidel, Paolo Craievich, Sven Reiche, Anastasiya Magazinik
The first generation of S-band injectors for free-electron lasers has illustrated high reliability and performance by driving the latest generation of high brightness machines. However, the ultimate electron beam brightness of these devices is limited by t ...
College Pk2023Progress and prospects in nonlinear extreme-ultraviolet and X-ray optics and spectroscopy
Free-electron lasers and high-harmonic-generation table-top systems are new sources of extreme-ultraviolet to hard X-ray photons, providing ultrashort pulses that are intense, coherent and tunable. They are enabling a broad range of nonlinear optical and s ...
NATURE PORTFOLIO2023Charge Dynamics Electron Microscopy Nanoscale Imaging of Femtosecond Plasma Dynamics
Fabrizio Carbone, Giovanni Maria Vanacore, Ivan Madan, Gabriele Berruto, Ido Kaminer, Simone Gargiulo, Luca Piazza, Francesco Barantani, Tom Theodorus Antonius Lummen
Understanding and actively controlling the spatiotemporal dynamics of nonequilibrium electron clouds is fundamental for the design of light and electron sources, high power electronic devices, and plasma-based applications. However, electron clouds evolve ...
AMER CHEMICAL SOC2023Element- and enantiomer-selective visualization of molecular motion in real-time
Majed Chergui, Malte Oppermann, Jérémy Raymond Jean Maurice Rouxel
Ultrafast optical-domain spectroscopies allow to monitor in real time the motion of nuclei in molecules. Achieving element-selectivity had to await the advent of time resolved X-ray spectroscopy, which is now commonly carried at X-ray free electron lasers. ...
Berlin2023High-efficiency non-ablative UV laser nano-scale processing of fused silica by stable filamentation
Yves Bellouard, Olivier Bernard, Benedikt Hermann, Luca Muscarella
Over the last decades, three-dimensional micro-manufacturing of fused silica via near-infrared ultrafast laser exposure combined with an etching step has become an established technique for producing complex three-dimensional components. Here, we explore t ...
2023