Extreme ultraviolet transient gratings

F Bencivenga, F Capotondi, L Foglia… - … in Physics: X, 2023 - Taylor & Francis
The recent construction of free electron lasers allows extending laboratory-based laser
experiments to shorter wavelengths, accessing wavevectors typical of nanoscale dynamics …

Femtosecond polarization shaping of free-electron laser pulses

G Perosa, J Wätzel, D Garzella, E Allaria… - Physical Review Letters, 2023 - APS
We demonstrate the generation of extreme-ultraviolet (XUV) free-electron laser (FEL) pulses
with time-dependent polarization. To achieve polarization modulation on a femtosecond …

[HTML][HTML] A versatile wide energy range spectrometer for soft X-ray FELs

E Principi, C Svetina, D De Angelis, C Fava… - Nuclear Instruments and …, 2024 - Elsevier
The design and main characteristics of the Wide Energy range Spectrometer at TIMEX
(WEST) operating at the FERMI Free Electron Laser are described. WEST covers the entire …

Circular dichroism experiments at the edge of magnetic transition metals enabled by elliptically polarized pulses from a seeded free-electron laser

C Spezzani, A Ravindran, E Allaria, L Badano… - Physical Review B, 2024 - APS
We have generated elliptically polarized femtosecond pulses from a seeded free-electron
laser (FEL) in the spectral range 700–800 eV and conducted demonstrative experiments …

On the physics of generation of even and odd harmonics in the undulators of free electron lasers

K Zhukovsky, I Fedorov - Radiation Physics and Chemistry, 2023 - Elsevier
We theoretically explore the physics of even and odd harmonics generation and radiation in
undulators of single pass free electron lasers (FELs). Planar undulators are studied as a …

X-ray pulse generation with ultra-fast flipping of its orbital angular momentum

J Morgan, BWJ McNeil - Optics Express, 2022 - opg.optica.org
A method to temporally tailor the properties of X-ray radiation carrying Orbital Angular
Momentum (OAM) is presented. In simulations, an electron beam is prepared with a …

[图书][B] Nonlinear X-Ray Spectroscopy for Materials Science

I Matsuda, R Arafune - 2023 - Springer
There has been a rise of a new analysis method of nonlinear X-ray spectroscopy for
materials science. This book provides the basic principles for understanding the issue and …

Schematic design of fully coherent X-ray generation using self-seeded harmonic lasing free-electron lasers

Y Liu, T Liu, C Feng, D Wang - … and Methods in Physics Research Section …, 2023 - Elsevier
This paper studies the self-seeded harmonic lasing scheme and analyzes the feasibility of
its application in the SHINE project. The scheme is used to improve the longitudinal …

High Harmonic Generation Seeding Echo-Enabled Harmonic Generation toward a Storage Ring-Based Tender and Hard X-ray-Free Electron Laser

X Yang, L Yu, V Smaluk, T Shaftan - Instruments, 2024 - mdpi.com
To align with the global trend of integrating synchrotron light source (SLS) and free electron
laser (FEL) facilities on one site, in line with examples such as SPring-8 and SACLA in …

Nonlinear Soft X-Ray Spectroscopy

CP Schwartz, WS Drisdell - Nonlinear X-Ray Spectroscopy for Materials …, 2023 - Springer
The history and current state of the field of soft X-ray nonlinear optics is discussed. The
development of soft X-ray nonlinear optics has been largely based upon the earlier work …