Abstract
doped -fluorophosphate (FP) glass microcomposites were produced by heat-treating the mixture of precipitate and FP glass powder above the melting temperature of the FP glass. The appearance of crystallites in the resulting composites was confirmed by x ray diffraction. Despite the fact that the average diameter of the crystallites was around as revealed by the micromorphology study, a transparent composite was obtained by matching the refractive index of FP glass to that of . Intense IR fluorescence at around was observed in the composite, implying the composite would be a promising candidate for IR lasers and amplifiers.
© 2011 Optical Society of America
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