Light transmitting material, structure connecting light transmitting material and optical device, and method for manufacturing light transmitting material

摘要

A light transmitting material having a tubular clad material and an amorphous core material having a refractive index higher than that of the tubular clad material, characterized in that the amorphous core material comprises a polymer derived from monomers comprising a polymer polyol and a polyfunctional compound having reactivity with a hydroxyl group.