Determination of the photoinduced birefringence and of the refractive index by Brewster method of epoxy resin doped with CdS

► We determined the photoinduced birefringence in epoxy resin doped with CdS. ► Increasing the doping the birefringence of the epoxy resin also increases. ► The writing laser power increases the birefringence and its formation time. ► The refractive index of the resin epoxy increases with the addition of the CdS.