Speed-of-light advances: Nanoprocessing of graphene with a femtosecond laser

Laser-induced monolayer graphene nanoprocessing

Illustration of a graphene film perforated by laser irradiation. The size of the carbon atoms is exaggerated and differs from the real size. Credit: Yuuki Uesugi et al. Tohoku University researchers have used a femtosecond laser to successfully micro/nanofabricate[{” attribute=””>graphene films, creating multi-point holes without damage and removing contaminants. The technique could replace traditional, more … Read more

World’s most powerful laser reveals secrets of pressure-driven ionization in stars and nuclear fusion

Pressure driven ionization

Scientists conducted laboratory experiments at the Lawrence Livermore National Laboratory’s National Ignition Facility that generated the extreme compressions needed for pressure-driven ionization. Their research provides new insights into atomic physics at gigabar pressures, which benefits astrophysics and nuclear fusion research. Credits: Graphic illustration by Greg Stewart/SLAC National Accelerator Laboratory; insert by Jan Vorberger/Helmholtz-Zentrum Dresden-Rossendorf Scientists … Read more