There are some differences between the working principles of the two. In the CO2 laser machine, cutting and engraving are completed by using electrically stimulated CO2 and other gases such as nitrogen and helium. Laser diodes usually use semiconductors made of aluminum or gallium arsenide alloys. The current is supplied through the diode, causing electrons to flow through the p-n junction. If you are a diode engraver who is used to Lightburn and want to enter the field of carbon dioxide engravers, but think that buying a laser engraver with a power of more than 60W may not take into account the current engraving needs, Monport K40 Lightburn engraver can completely help you overcome this stage.