Thermal effect of TiO2/SiO2 film irradiated by pulse laser

Using 1.06 μm single pulse laser to irradiate optical element model of photoelectricity system in different energy density, physical model of multilayer films is found and temperature field of facula center, radial direction and axes direction is calculated with ANSYS software. At the same time thermal stresses in radial direction, axes direction and round direction in different energy density are calculated. Change of temperature field and thermal stress are analysed.