Enhancement of 2.0 μm fluorescence emission in new Ho~（3＋）/Tm~（3＋）/Yb~（3＋） tri-doped tellurite glasses-中国期刊网

摘要 Forenhancingthe2.0μmbandfluorescenceofHo3+,acertainamountofWO3oxidewasintroducedintoHo3+/Tm3+/Yb3+tri-dopedtelluriteglasspreparedusingmelt-quenchingtechnique.Thepreparedtri-dopedtelluriteglasswascharacterizedbytheabsorptionspectra,fluorescenceemissionandRamanscatteringspectra,togetherwiththestimulatedabsorption,emissioncross-sectionsandgaincoefficient.TheresearchresultsshowthattheintroductionofWO3oxidecanfurtherimprovethe2.0μmbandfluorescenceemissionthroughtheenhancedphonon-assistedenergytransfersbetweenHo3+/Tm3+/Yb3+ionsundertheexcitationof980nmlaserdiode（LD）.Meanwhile,themaximumgaincoefficientofHo3+at2.0μmbandreachesabout2.36cm-1.Anintense2.0μmfluorescenceemissioncanberealized.

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Enhancement of 2.0 μm fluorescence emission in new Ho~（3＋）/Tm~（3＋）/Yb~（3＋） tri-doped tellurite glasses

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Enhancement of 2.0 μm fluorescence emission in new Ho~（3＋）/Tm~（3＋）/Yb~（3＋） tri-doped tellurite glasses

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