60W RF Tube Fractional Co2 Laser Machine for Acne Scars Wrinkle Reduction Skin Rejuvenation Working Principle Of Fractional Co2 Laser Machine The CO2 laser is a gaseous laser with a wavelength of 10.6 μm that is fully absorbed through human biological tissue (all skin available). The sealed-off fractional CO2 laser, whose output laser-light is delivered through an articulated arm, which has better direction and higher energy density.The CO2 laser operates in the invisible