Laser cutting wavelength absorption
Laser cutting wavelength absorption is the ratio of optical power absorbed by the material to that radiated at specific laser wavelengths. It determines the efficiency of energy input into the metal.
Physical-Chemical Mechanism of Action
Laser cutting wavelength absorption describes how much light of a given wavelength spectrum is absorbed by a material. This process depends on the material's properties and its atomic structure.
Metallurgical Relevance & Risks in Welding
Absorption efficiency affects the temperature distribution in the workpiece. High absorption leads to faster heating and increases the risk of cracking or distortion. Uneven energy input can cause inconsistent cutting rates or incomplete cuts.
Workshop Practice & Action Guidelines
Choose laser wavelengths that are well absorbed by the material. For steel, a wavelength of 1064 nm is typical and offers good absorption efficiency. Pay attention to laser system settings: Proper focusing and beam power are critical for clean cut quality.