Related: World's most powerful X-ray laser set for massive upgrade ... a popular material for studying unusual properties of light. They directed a green laser and a blue laser into the ruby ...

So far, most green laser light is produced using infrared laser ... now used in several commercial applications, including 'blu-ray' DVD systems. Figure 1: The epilayer structure of an InGaN ...

The hard X-ray FEL has come of age. A free-electron laser is not like other lasers. It works by forcing a beam of electrons, travelling at nearly the speed of light, to oscillate in a long ...

This laser display is persistent thanks to a glow-in-the-dark screen. [Daniel] built it using a Blu-ray laser diode. As the laser dot traverses the screen, it charges the phosphors in the glow ...