If you’ve used a diode laser engraver or cutter, you know that focus is critical. You’d think it would be relatively simple to get a sharp focus, but it isn’t that simple. [Makers Mashup] shows in a ...

Cutting grass with lasers works great in a test setup. (Credit: Allen Pan, YouTube) Wouldn’t it be cool if you could cut the grass with lasers? Everyone knows that lasers are basically magic, and if ...

What's better than a custom-built laser sword with a 6W laser? How about a 40W laser shotgun built from an array of eight photo diodes and a focusing lens? Share on Facebook (opens in a new window) ...

With optoacoustics having "come of age" as an imaging technique, the hottest topics in the sector now revolve around development of effective clinical systems for human applications. Suitable laser ...