Nano-porous precursors for opto-ceramics via novel reactive dissolution
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United States of America Patent
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Issued Date -
Jul 12, 2012
app pub date -
Jul 25, 2007
filing date -
Jul 25, 2007
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Abandoned
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Abstract
The invention relates to a process for preparing porous glass particles suitable for use as precursor materials for production of an opto-ceramic element. The process comprises: providing particles of a soluble glass composition comprising at least one soluble component, at least one component having low solubility in an aqueous solution, and at least one lasing dopant which also has a low solubility in the aqueous solution; and immersing the particles in an aqueous solution having low solubility for said at least one component and said at least one lasing dopant, to thereby dissolve substantially all of the soluble portions of the glass particles.
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