第44卷第2期2023年2月Vol.44No.2Feb.,2023发光学报CHINESEJOURNALOFLUMINESCENCETm3+/Yb3+共掺含LaF3纳米晶锗酸盐微晶玻璃的上转换发光及其温度传感特性李波,黄立辉*,陈新禹,白功勋,赵士龙,徐时清(中国计量大学光学与电子科技学院,光电材料与器件研究院,浙江省稀土光电材料与器件重点实验室,浙江杭州310018)摘要:通过传统的熔融淬火技术以及后续热处理法制备了Tm3+/Yb3+共掺含LaF3纳米晶锗酸盐微晶玻璃。通过DTA和XRD研究其热性质和LaF3纳米晶的可控析出。通过透过光谱和上转换发光光谱研究了玻璃的光学性能。利用荧光强度比(FIR)技术研究了微晶玻璃样品在980nm激光激发下的上转换发光光谱与温度的依赖关系。研究发现,该微晶玻璃样品在313~573K温度范围内的最大绝对灵敏度Sa和最大相对灵敏度Sr分别为2.6×10-4K-1(573K)和2.3×10-2K-1(313K)。结果表明,Tm3+/Yb3+共掺含LaF3纳米晶锗酸盐微晶玻璃在温度传感领域具有潜在的应用前景。关键词:锗酸盐玻璃;微晶玻璃;Tm3+/Yb3+;温度传感中图分类号:O482.31文献标识码:ADOI:10.37188/CJL.20220337UpconversionLuminescenceandTemperatureSensingCharacteristicsofTm3+/Yb3+Co-dopedGermanateGlassCeramicsContainingLaF3NanocrystalsLIBo,HUANGLihui*,CHENXinyu,BAIGongxun,ZHAOShilong,XUShiqing(KeyLaboratoryofRareEarthOptoelectronicMaterialsandDeicesofZhejiangProvince,InstituteofOptoelectronicMaterialsandDevices,CollegeofOpticalandElectronicTechnology,ChinaJiliangUniversity,Hangzhou310018,China)*CorrespondingAuthor,E-mail:huanglihui@cjlu.edu.cn.Abstract:Tm3+/Yb3+co-dopedgermanateglassceramicscontainingLaF3nanocrystalswerepreparedbytraditionalmeltquenchingtechniqueandsubsequentheattreatment.ThethermalpropertiesandthecontrollableprecipitationofLaF3nanocrystalswerestudiedbyDTAandXRD.Theopticalpropertiesoftheglasseswerestudiedbytransmis‐sionspectraandupconversionluminescencespectra.Thetemperaturedependenceofupconversionluminescencespectraofglassceramicsexcitedby980nmlaserwasstudiedbyfluorescenceintensityratio(FIR)technique.Itisfoundthatthemaximumabsolutesensitivity(Sa)andthemaximumrelativesensitivity(Sr)oftheglassceramicsare2.6×10-4K-1(573K)and2.3×10-2K-1(313K)atthe...