[Drake Anthony] makes building a cutting laser from a PC look easy ... You’ll also need a focusing lens (just a few dollars), some thermal glue, an LM317, a resistor, and a pair of protective ...

Laser Research CO2 Focusing Lenses are available with A/R coatings providing less than 0.2% total absorption and with a proprietary Cool-Cut™ coating which absorbs less than 0.15% of laser ...

Laser aficionado [Martin Raynsford] has built up experience with various laser cutters over the years and felt he should write up a blog post detailing his first-hand findings with an often ...

Diode laser cutters: These work by using special semiconductor diodes to generate light that is passed through a focusing lens. They’re not as powerful as the other types available, but they are ...