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Red–green–blue upconversion emission and energy-transfer between Tm 3+ and Er 3+ ions in tellurite glasses excited at 1.064 μm

PhotonicsRed–green–blue Upconversion EmissionOptical MaterialsTm 3+Er 3+PhysicsEngineeringOptical PropertiesNatural SciencesLuminescent GlassApplied PhysicsGlass PhotonicsUpconversion LuminescenceChemistry