Inventors:
Minoru Tomozawa - Troy NY, US
Bungo Hatta - Shigaken, JP
Assignee:
Rensselaer Polytechnic Institute - Troy NY
Sekisui Chemical Co., Ltd. - Shiga
International Classification:
B32B 17/00
C03B 25/00
C03B 27/012
US Classification:
428426, 428697, 428702, 65116, 65117, 65434
Abstract:
The invention relates to a process for making a SiO—REO—AlOglass comprising preparing a glass according to a conventional process wherein the conventional process comprises a step of heat treating a mixture of SiO, REO, and AlOat a temperature greater than the spinodal temperature for 0. 1 to 10 hours wherein REOis a rare earth oxide and RE is a rare earth element chosen from Sc, Y, La, Ce, Pr, Nd, Pm, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu, and combinations thereof. The invention also relates to glasses prepared by the process and glass lasers, optical amplifiers and laminated glass that comprise the glass prepared by the process.