Laser dye impregnated silica sol-gel monoliths

Details Laser dye impregnated silica sol-gel monoliths Laser dye impregnated silica sol-gel monoliths

1990-07-11

1993-06-22

Davie, James W.

Coherent light generators

Particular active media

Liquid

H01S 314

Patent

active

052220923

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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