Eva Klimešová
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View article: Studies of ultrafast dynamics in substrate-free nanoparticles at ELI using Timepix3 optical camera
Studies of ultrafast dynamics in substrate-free nanoparticles at ELI using Timepix3 optical camera Open
We present a novel application of the Timepix3 optical camera (Tpx3Cam) for investigating ultrafast dynamics in substrate-free nanoparticles at the Extreme Light Infrastructure European Research Infrastructure Consortium (ELI ERIC). The ca…
View article: Electron thermalization and ion acceleration in XUV-produced plasma from nanoparticles in He gas environment
Electron thermalization and ion acceleration in XUV-produced plasma from nanoparticles in He gas environment Open
We use intense femtosecond extreme ultraviolet (XUV) pulses with a photon energy of 92 eV from the FLASH free electron laser to irradiate substrate-free CsCl nanoparticles surrounded by a He gas with a number density of around 10 15 cm −3 …
View article: Update on MAC End-Station at ELI Beamlines Facility
Update on MAC End-Station at ELI Beamlines Facility Open
The MAC end-station at the ELI Beamlines facility is a multipurpose user's station for atomic, molecular, and optical sciences and coherent diffractive imaging. The technical design of the station, the available instruments, and an overvie…
View article: Bright continuously tunable vacuum ultraviolet source for ultrafast spectroscopy
Bright continuously tunable vacuum ultraviolet source for ultrafast spectroscopy Open
Ultrafast electron dynamics drive phenomena such as photochemical reactions, catalysis, and light harvesting. To capture such dynamics in real-time, femtosecond to attosecond light sources are extensively used. However, an exact match betw…
View article: Long-lasting XUV activation of helium nanodroplets for avalanche ionization
Long-lasting XUV activation of helium nanodroplets for avalanche ionization Open
We study the dynamics of avalanche ionization of pure helium nanodroplets activated by a weak extreme-ultraviolet (XUV) pulse and driven by an intense near-infrared (NIR) pulse. In addition to a transient enhancement of ignition of a nanop…
View article: Bright continuously-tunable VUV source for ultrafast spectroscopy
Bright continuously-tunable VUV source for ultrafast spectroscopy Open
Ultrafast electron dynamics drive phenomena such as photochemical reactions, catalysis, and light harvesting. To capture such dynamics in real-time, femtosecond to attosecond light sources are extensively used. However, an exact match betw…
View article: Electron correlation dynamics in atomic Kr excited by XUV pulses and controlled by NIR laser pulses of variable intensity
Electron correlation dynamics in atomic Kr excited by XUV pulses and controlled by NIR laser pulses of variable intensity Open
We have investigated the possibility to track and control correlation dynamics of valence electrons in krypton (Kr) initiated by the absorption of one extreme ultraviolet (XUV) photon. In this investigation, pump-probe experiments have bee…
View article: Nanoparticle-assisted acceleration of laser-irradiated low-density He ions
Nanoparticle-assisted acceleration of laser-irradiated low-density He ions Open
We report on a surprisingly efficient acceleration of ambient gas ions in the presence of a laser-irradiated nanoparticle. Near-infrared laser pulses with an intensity of $2\ifmmode\times\else\texttimes\fi{}{10}^{15}\phantom{\rule{0.28em}{…
View article: Update on laser-driven X-ray sources at ELI Beamlines
Update on laser-driven X-ray sources at ELI Beamlines Open
Three main paths have been selected within the ELI Beamlines research program for transforming driving laser pulses into brilliant beams of short wavelength radiation: High-order harmonic generation in gases, Plasma X-ray sources, and sour…
View article: THz streak camera performance for single-shot characterization of XUV pulses with complex temporal structures
THz streak camera performance for single-shot characterization of XUV pulses with complex temporal structures Open
The THz-field-driven streak camera has proven to be a powerful diagnostic-technique that enables the shot-to-shot characterization of the duration and the arrival time jitter of free electron laser (FEL) pulses. Here we investigate the per…