But in the weird world of physics, a lot of things that seem impossible aren’t really, as demonstrated by this dirt-cheap supercontinuum laser ... glass single-mode fiber could be used to ...

The meat of the video demonstrates how to use a cheap fiber fault locator and a simple optical bench setup to precisely align any laser with an optical fiber. A pair of adjustable mirrors allow ...

Laser cutters are ... they are efficient and fairly cheap to make. They’re best with organic materials like wood, as well as acrylics including clear acrylics. Fibre laser cutters: These are ...