| abstract |
According to the present invention, an optical functional optical material which is excellent in luminescence intensity, luminous efficiency and / or optical amplification, and further excellent in workability, for example, is easily processed into an optical waveguide type device, and differs from fluorine-containing acrylate. A photofunctional optical material comprising a copolymer of a functional acrylate and a rare earth metal compound, or an optical material comprising a fluorine-containing acrylate and a polyfunctional acrylate and a rare earth metal compound is provided. |