For the experiment, a high-power green laser was directed through ruby cube and illuminated with a blue laser from the side. The green laser increases the optical absorption of the blue illuminating ...

Lasers originating from across the universe are a rare find, and astronomers only managed to catch a glimpse of a ...

Porous wood and graphene create a light-trapping propellant that enables efficient laser ablation at unusually low continuous ...

Researchers have found that under certain conditions, a laser beam can act like an opaque object and cast a shadow, opening new possibilities for technologies that could use a laser beam to control ...