Mathematical Modelling Of Temperature Distribution During Co2 Laser Irradiation Of Glass

The irradiation of glass using a CO2 laser causes a local temperature rise which can be used for local heat treatments, e.g. for polishing or cutting. The temperature distribution is described generally by the heat diffusion equations. If the laser beam radius is much larger than the material thickness, the two dimensional problem can be replaced with a one dimensional solution. For the simulation it is necessary to take the strong temperature dependence of the thermal conductivity and the specific heat of the glass into account and also the boundary conditions.