How To Choose The Right CO2 Laser Tube for Laser Cutting And Laser Engraving This article explains how to choose the right CO2 laser tube for laser cutting and laser engraving applications. It covers essential factors such as tube size, rated power, beam quality, laser mode, frequency, output stability, and lifespan. The article also discusses how to evaluate a professional CO2 laser tube factory and why stable long-term performance matters more than peak power in real production environments.