Laser diodes are convenient light sources, but for precise optical work their often-elliptical beam profile leaves something to be desired. One way to get around this is to couple the beam into a ...

Australia has joined the race to field a practical high-energy laser weapon. QinetiQ Australia has been awarded AU$$12.9 million (US$8.74 million) to develop a prototype with a twist – the goal is to ...

Building off a breakthrough "anti-laser," a team of researchers has developed a system that can direct light and other electromagnetic waves for signal processing without any unwanted signal ...

Mon, June 17, 2024 at 2:42 PM UTC Light Amplification by Stimulated Emission of Radiation, otherwise known as the laser, fundamentally changed human society upon its introduction in the early 1960s.

Editor's note: This story originally appeared on Laser Wars, a newsletter about military laser weapons and other futuristic defense technology. Subscribe here. Operation Epic Fury may have ...

You can get a red laser diode pretty cheap these days—as cheap as £1 in fact. [Beamer] had purchased one himself, but quickly grew bored with just pointing it at the walls. He decided to figure out if ...