ultraviolet light pulse

One light pulse escapes from the other while changing its color

When the pump pulse reaches the signal pulse, upon interaction, the signal pulse accel-erates, changes its frequency, respectively its color, and finally…

New light at the end of the tunnel

Who wants to decant liquids in the kitchen without spilling knows to value a funnel. Funnels are not only useful tools in the kitchen. Light can also be…

Physicists Observe Electron Ejected from Atom for First Time

In the experiments, an electron in a krypton atom is removed by a laser pulse that lasts less than four femtoseconds (one femtosecond is one millionth of one…