Abstract: One noteworthy attraction of the use of a solid matrix such as a polymer for dye laser is that it obviates many of the common problems associated with flowing dye systems. In this paper, the optical properties of a modified copolymer of MMA-MA as the main matrix doped with dye Rh6Ghas been studied, e. g. the absorption spectrum of Rh6Gin the materials, fluorescence properties of Rh6G in the materials, and laser conversion efficiency of Rh6Gin the material. It has found the maximal laser conversoin of Rh6G in the material is 20%, as high as the level which Rh6G can attain when it is dissolved in ethyl alcohol. The optical homogeneity of the material also has been studied.

Key words: Modified copolymer of MMA-MA, Solid matrix for Rh6G, Optical properties of dyeing plastic