Laser dye impregnated silica sol-gel monoliths
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United States of America Patent
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Jun 22, 1993
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N/A
app pub date -
Jul 11, 1990
filing date -
Jul 11, 1990
priority date (Note) -
Expired
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Abstract
The present invention relates to a dye laser comprising a highly porous, consolidated silica sol-gel monolith having incorporated therein at least one laser dye, wherein said dye laser is substantially solvent free. The dye laser is prepared by immersing a highly porous, consolidated silica sol-gel monolith in a solution of at least one laser dye and at least one solvent until the solution enters the pores of the monolith to a significant degree to form an impregnated silica sol-gel monolith, and then drying the impregnated silica sol-gel monolith to vaporize substantially all the solvent present within the pores of the monolith.
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