we review the distinctive properties of laser light, define criteria for identifying laser operation and explain some of the 'look-alike' phenomena that exist in thin-films and in microresonators ...

Using a green laser beam, a ruby crystal, and blue light illumination ... of lasers and nonlinear optical response,” Abrahao explained. Inspired by this, the team designed an experiment to ...

"Your dentist's X-ray machine creates an electron beam that is crashed into a heavy metal plate; the electrons in the beam ...