On a screen opposite the blue laser, they saw a dark line where the green laser blocked blue light leaving the crystal. This curious phenomenon arises from a property of the ruby itself.

Lasers are known for the monochromatic nature of their light, so much so that you might never have thought there could be such a thing as a white laser. But in the weird world of physics ...

The effects of ultra-fast lasers that can change material states in attoseconds are finally understood, thanks to new Israeli ...

For the first time, researchers have used high-speed laser writing ... high-resolution line patterns. The optical setup included a 525-nm femtosecond laser as the excitation light source and ...