Modeling and simulation for energy coupling for laser-material interaction

Hongjun Jiang & Paul Woodard
Energy coupling is a key phenomenon in material processing techniques that use lasers. It is a complex physical process which involves numerous parameters, such as a material's refractive index, laser wavelength, angle of incidence, polarization, temperature, power, power intensity, surface roughness, and surface coating. Although there are some empirical and theoretical models of the dependence of the energy coupling efficiency (also known as absorptivity) on individual and/or groups of parameters, to date, there is no...
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