At high power, laser light inside a multimode optical fiber is supposed to misbehave. The beam usually breaks into a noisy, scattered pattern as the light ricochets through many paths at once.

It’s a rare person who can pick up a cheap laser pointer and not wield it like a lightsaber or a phaser, complete with sound effects. There’s just something about the “pew-pew” factor that makes ...

Creating PCBs at home is quite easy these days (vias not withstanding), but even the best DIY methods usually can’t match the resolution offered by commercial PCB production lines. Large traces are ...

If the various lasers currently used to aid chemical research—particularly ultrafast chemical research—belonged to the world of boxing, the titanium sapphire laser would be the reigning heavyweight ...

Researchers at the U.S. Naval Research Laboratory have devised a new way to build powerful lasers that are more efficient and safer for your eyes by using nano-particles. The particles are used to ...