US Army Is Building The World’s ‘Most Powerful’ Laser Weapon

"The new system is being designed to reach a terawatt for a short 200 femtoseconds — or one quadrillionth of a second. In that time, the UPSL would be able to vaporize a drone. On top of that, the hope is that it’ll also be able to disrupt electronic systems in its vicinity, turning it also into a functional electromagnetic pulse (EMP)."

https://www.technologytimes.pk/2021/02/24/us-army-is-building-the-worlds-most-powerful-laser-weapon/