What is CO2 laser source?

How does a CO2 Laser work? Modern CO2 machines usually produce the laser beam in a sealed glass tube which is filled with gas, usually carbon dioxide. A high voltage flows through the tube and reacts with the gas particles, increasing their energy, in turn producing light.

Quite simply, it is referring to creating the laser beam by stimulating a gas mixture made up of helium (He), nitrogen (N2), hydrogen (H2), xenon (Xe) and carbon dioxide (CO2). A CO2 laser operates by stimulating the gas mixture with either direct current (DC) voltage or radio frequency (RF) waves.