| 摘要 |
PROBLEM TO BE SOLVED: To provide a radiation-sensitive composition undergoing a change in refractive index, which can realize a change in the refractive index of a material by a simple method, giving a sufficiently great difference in refractive index due to the change, and can give a refractive index pattern and an optical material that are stable independent of the service conditions thereafter. SOLUTION: The radiation-sensitive composition undergoing a change in refractive index contains (A) a decomposable compound, (B) a nondecomposable compound having a refractive index higher than that of the compound (A), (C) a radiation-sensitive decomposer and (D) a stabilizing agent. The irradiation of the composition with radiations through a pattern mask decomposes the components (C) and (A) at the irradiated part to produce a difference in refractive index between the irradiated part and the unirradiated part, thus forming a pattern different in refractive index. |
