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Development of temporal spectroscopic properties for Xerogel matrices doped with Rhodamine 6G dye

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Al-Wattar A., Chiad B., Twej W., Al-Awadi S.

The solid host of a laser dye modifies its spectroscopic properties with respect to its liquid host. During the Sol-Gel process the dye molecules suffer from changing their environment. Two parameters affect this matter, the change in the concentration due to the evaporation of the solvent (drying) and the caging of dye molecules inside the pores or attachment to the silica network. Rhodamine 6G absorption and fluorescence spectra with different concentrations, during Sol-Gel time processing, have been studied. Both, absorption and fluorescence spectra of the dye in the solid host, for different concentrations, show a blue-shift relative to its liquid phase.

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1 Open Physics

1 2006

1 Al-Awadi S.

1 Al-Wattar A.

1 Chiad B.

1 Twej W.

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Development of temporal spectroscopic properties for Xerogel matrices doped with Rhodamine 6G dye