An X-ray free-electron laser with a highly configurable undulator and integrated chicanes for tailored pulse properties
X-ray free-electron lasers (FELs) are state-of-the-art scientific tools capable to study matter
on the scale of atomic processes. Since the initial operation of X-ray FELs more than a …
on the scale of atomic processes. Since the initial operation of X-ray FELs more than a …
Terawatt-scale attosecond X-ray pulses from a cascaded superradiant free-electron laser
Intense attosecond X-ray pulses are key for ultrafast nonlinear spectroscopy and diffractive
imaging. Here we demonstrate the generation of terawatt-scale isolated attosecond pulses …
imaging. Here we demonstrate the generation of terawatt-scale isolated attosecond pulses …
Experimental demonstration of attosecond pump–probe spectroscopy with an X-ray free-electron laser
Pump–probe experiments with subfemtosecond resolution are the key to understanding
electronic dynamics in quantum systems. Here we demonstrate the generation and control …
electronic dynamics in quantum systems. Here we demonstrate the generation and control …
[HTML][HTML] Coherent sub-femtosecond soft x-ray free-electron laser pulses with nonlinear compression
We demonstrate the generation of coherent soft x-ray free-electron laser (FEL) pulses with a
duration below 1 fs using nonlinear compression with a low-charge electron beam (10 pC) …
duration below 1 fs using nonlinear compression with a low-charge electron beam (10 pC) …
Experimental demonstration of mode-coupled and high-brightness self-amplified spontaneous emission in an x-ray free-electron laser
X-ray free-electron lasers (FELs) are modern research tools with applications in multiple
scientific fields. Standard x-ray FEL pulses are produced by the self-amplified spontaneous …
scientific fields. Standard x-ray FEL pulses are produced by the self-amplified spontaneous …
Millijoule Femtosecond X-Ray Pulses from an Efficient Fresh-Slice Multistage Free-Electron Laser
G Wang, P Dijkstal, S Reiche, K Schnorr, E Prat - Physical Review Letters, 2024 - APS
We present the generation of x-ray pulses with average pulse energies up to one millijoule
and rms pulse durations down to the femtosecond level. We have produced these intense …
and rms pulse durations down to the femtosecond level. We have produced these intense …
Identification of the decay pathway of photoexcited nucleobases
X Mu, M Zhang, J Feng, H Yang, N Medvedev… - Ultrafast …, 2023 - spj.science.org
The identification of the decay pathway of the nucleobase uracil after being photoexcited by
ultraviolet light has been a long-standing problem. Various theoretical models have been …
ultraviolet light has been a long-standing problem. Various theoretical models have been …
Entangled x-ray photon pair generation by free-electron lasers
We investigate entangled x-ray photon pair emissions in a free-electron laser (FEL) and
establish a quantum electrodynamical theory for coherently amplified entangled photon pair …
establish a quantum electrodynamical theory for coherently amplified entangled photon pair …
[HTML][HTML] Sub-femtosecond time-resolved measurements of electron bunches with a C-band radio-frequency deflector in x-ray free-electron lasers
E Prat, A Malyzhenkov, P Craievich - Review of Scientific Instruments, 2023 - pubs.aip.org
Time-resolved diagnostics are fundamental for x-ray free-electron lasers (FELs). Radio-
frequency (RF) transverse deflector structures (TDSs) are typically employed to characterize …
frequency (RF) transverse deflector structures (TDSs) are typically employed to characterize …
Nonlinearly Shaped Pulses in Photoinjectors and Free-Electron Lasers
Photoinjectors and Free Electron Lasers (FEL) are amongst the most advanced systems in
accelerator physics and have consistently pushed the boundaries of emittance and x-ray …
accelerator physics and have consistently pushed the boundaries of emittance and x-ray …