Method for producing rare earth element-doped glass by sol-gel process

摘要

A rare earth element-doped glass in which the rare earth element is homogeneously doped is produced by a method comprises hydrolyzing a metal alkoxide of the formula:        M(OR)₄wherein M is a metal and R is an alkyl group in a liquid medium selected from the group consisting of alcohols and water in the presence of a compound of a rare earth element and condensing the hydrolyzed material to form a rare earth element-doped glass.