Laser is the core component of laser engraving machine, laser cutting machine and laser marking machine, the type and quality of laser directly determines the processing quality of laser equipment. There are two kinds of laser generators commonly used in CO2 laser marking machine, CO2 laser engraving machine and CO2 laser cutting machine: glass tube and RF tube, so what are the differences between these two tube? 1. Different beam quality Rf CO2 laser: The emission spot mode is close…