New research shows how to measure the super-short bursts of high-frequency light emitted from free electron lasers (FELs). By using the light-induced ionization itself to create a femtosecond optical shutter, the technique ...
Optics & Photonics
Apr 14, 2021
0
192
A global science collaboration using data from NASA's Neutron star Interior Composition Explorer (NICER) telescope on the International Space Station has discovered X-ray surges accompanying radio bursts from the pulsar in ...
Astronomy
Apr 8, 2021
2
2750
Understanding how materials deform and catastrophically fail when impacted by a powerful shock is crucial in a wide range of fields, including astrophysics, materials science and aerospace engineering. But until recently, ...
General Physics
Feb 24, 2021
0
27
A team of researchers from the Max Planck Institute for Nuclear Physics in Heidelberg has coherently controlled nuclear excitations using suitably shaped X-ray light for the first time. In the experiment performed at the ...
General Physics
Feb 18, 2021
1
36
Astronomers from the ARC Centre of Excellence for Gravitational Wave Discovery (OzGrav) and CSIRO have just observed bizarre, never-seen-before behavior from a radio-loud magnetar—a rare type of neutron star and one of ...
Astronomy
Feb 1, 2021
76
1370
Femtosecond hard X-ray pulses are an important tool for unraveling structure changes of condensed matter on atomic length and time scales. A novel laser-driven X-ray source provides femtosecond copper Kα pulses at a 1 kHz ...
Optics & Photonics
Jan 7, 2021
0
48
X-ray free-electron lasers, such as the Linac Coherent Light Source (LCLS) at the Department of Energy's SLAC National Accelerator Laboratory, produce intense X-ray pulses that allow researchers to image biological objects, ...
Condensed Matter
Nov 24, 2020
1
56
Powerful picosecond generators are in demand in various fields of experimental electrophysics to produce ultrashort electron beams and X-ray pulses in vacuum diodes and to form runaway electron flows in gases.
General Physics
Oct 13, 2020
0
5
In the search for clean energy alternatives to fossil fuels, one promising solution relies on photoelectrochemical (PEC) cells—water-splitting, artificial-photosynthesis devices that turn sunlight and water into solar fuels ...
Materials Science
Sep 30, 2020
3
2415
Researchers have established a novel high-frequency laser facility at the University of Tokyo. The coherent extreme ultraviolet light source can reveal details of biological or physical samples with unprecedented clarity. ...
Optics & Photonics
Sep 28, 2020
1
342
