Transparent tantalum oxide glass-ceramics and transparent aluminum tantalate glass-ceramics

Abstract

A transparent glass-ceramic composition including: of the formula Ta2-xAlxO5-x where x is less than 1; of the formula AlTaO4; of the formula AlPO4; a mixture of AlTaO4 and AlPO4; or a mixture of the formula Ta2-xAlxO5-x, AlTaO4, and AlPO4. Also disclosed are transparent glass-ceramic compositions including, for example, a dopant as defined herein, or a supplemental metal oxide or metalloid oxide of MxOy, MxM′xOy, or a mixture thereof such as oxides of Nb, Ti, W, B, or Ga, as defined herein. Also disclosed are methods of making the disclosed transparent glass-ceramic compositions, and optical articles, optical components, and optical apparatus thereof.

Dependencies are inferred from the claim text.