Hobbyist-grade laser cutters can be a little restrictive as to the types and thicknesses of materials that they can cut. We’re usually talking about CO 2 and diode-based machines here, and if you want ...

Laser engraving is no longer just for pros—it’s now an exciting, accessible craft for DIYers and small business dreamers. With the right starter machine, materials, and safety know-how, you can create ...

Our expert, award-winning staff selects the products we cover and rigorously researches and tests our top picks. If you buy through our links, we may get a commission. James has been writing about ...

A compact ultraviolet-B (UV-B) semiconductor laser diode emitting at 318 nm under continuous-wave operation at room-temperature. The device demonstrates stable UV-B lasing on a low-cost sapphire ...