Normally, you have a choice with PCB prototypes: fast or cheap. [Stephen Hawes] has been trying fiber lasers to create PCBs. He’s learned a lot which he shares in the video below. Very good ...

It’s funny because it’s true, as pretty much any laser a hobbyist can easily come by can cause permanent damage to eyes unless the proper precautions are taken. But a fiber laser with 200kW ...

The fiber lasers are arranged in a compact hexagonal structure and coherently combined to generate illuminating light fields.

The laser selectively cures the HSQ, removing the uncured HSQ and leaving a 3D-printed silica glass structure on the fiber tip. Results show that the work solves the problem of high-temperature ...