(Nanowerk Spotlight) Converting electrical energy into laser light has traditionally relied on precisely aligned optical components that direct light back and forth within a cavity. While these ...

The Anderson transition is a phase transition that occurs in disordered systems, which entails a shift from a diffusive state (i.e., in which waves or particles are spread out) to a localized state, ...

A renewable, low impact random laser built from birch leaves and peanuts shows a path to affordable medical diagnostics using fully sustainable materials. (Nanowerk News) Physicists at Umeå University ...

Physicists at Umeå University, in collaboration with researchers in China, have developed a laser made entirely from biomaterials – birch leaves and peanut kernels. The environmentally friendly laser ...

Birch leaf and peanut kernel-based source could be a cheap, accessible tool for diagnostics and imaging. Jia Wang, of the Department of Physics at Umeå. Physicists at Umeå University, Sweden, in ...