Method for preparing a fused silica glass body co-doped with a r

Details Method for preparing a fused silica glass body co-doped with a r Method for preparing a fused silica glass body co-doped with a r

1992-03-26

1993-09-21

Hastings, Karen M.

Glass manufacturing

Processes

With shaping of particulate material and subsequent fusing...

65 184, 65 6051, 65901, 65 605, C03B 804

Patent

active

052464750

ABSTRACT:
A novel method is proposed for the preparation of a transparent fused silica glass body co-doped with a rare earth element and aluminum each in a high uniformity of the dopant distribution. The method comprises the steps of: (a) flame-hydrolyzing a silicon compound and an aluminum compound in an oxyhydrogen flame to form a porous silicon oxide body containing aluminum; (b) soaking the porous body having a specified bulk density with a solution of a rare earth compound; (c) drying the solution-soaked porous body; and (d) sintering and vitrifying the dried porous body into a transparent glass body.

REFERENCES:
patent: 5047076 (1991-09-01), Cognolato
patent: 5141549 (1992-08-01), Tumminelli
patent: 5151117 (1992-09-01), Bartholomew

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