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Efficient frequency up-conversion via energy transfer in fluoride glasses
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1987
Year
Materials SciencePhotonicsFluoride GlassesOptical MaterialsVisible LightFrequency Up-conversion EfficiencyPhysicsEngineeringOptical PropertiesLuminescent GlassOptical GlassApplied PhysicsGlass MaterialGlass PhotonicsFunctional GlassOptoelectronics
The conversion of infra-red to visible light has been studied in a series of fluoride glasses doped with YbF3 and ErF3. The frequency up-conversion efficiency of these bulk materials is four orders of magnitude greater than that observed in doped oxide glasses, and compares very favourably with results obtained for Yb3+/Er3+-containing crystals.