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Optimization of Optical Properties of SiO2/TiO2/SiO2 Multilayer Films

The computer aid simulation of optical properties of thin films has been used to optimize SiO2/TiO2/SiO2 multilayer films to obtain high transparent films in this paper. The maximum transmittance at the visible light wavelength range is proper criteria for optical films optimizing design. The effect of design parameters (film thickness and refractive index) on optical properties of SiO2/TiO2/SiO2 multilayer films were also discussed in detail. According to the result of optimization, high quality SiO2/TiO2/SiO2 multilayer film with a maximum of > 99% at visible light wavelength range can be achieved on the glass.