Nd^(3+)/Yb^(3+) co-doped mid-infrared luminescence fluorobromide glass with energy transfer and zero-thermal-quenching IR emission

作     者：Jiajia Zhang Xiaosong Zhang Hao Yin Lan Li Zhaowei Zhang Xin Liu Xiaokai Gong Rukun Ding Jiajia Zhang;Xiaosong Zhang;Hao Yin;Lan Li;Zhaowei Zhang;Xin Liu;Xiaokai Gong;Rukun Ding

作者机构：School of Materials Science and EngineeringInstitute of Material PhysicsKey Laboratory of Display Materials and Photoelectric DevicesMinistry of EducationTianjin Key Laboratory for Photoelectric Materials and Devicesand National Demonstration Center for Experimental Function Materials EducationTianjin University of TechnologyTianjin 300384China 

出 版 物：《Journal of Rare Earths》 (稀土学报（英文版）)

年 卷 期：2021年第39卷第9期

页      面：1049-1055页

核心收录：

学科分类：08[工学] 0805[工学-材料科学与工程（可授工学、理学学位）] 080502[工学-材料学] 

基　　金：Project supported by the National Key Foundation for Exploring Scientific Instrument of China(2014YQ.120351) National Natural Science Foundation of China(11504266,51702235,51871167) 

主　　题：Mid-infrared luminescence Fluorobromide glass Nd3+/Yb3+co-doped Energy transfer Rare earths 

摘      要：Nd^(3+)/Yb^(3+)co-doped fluorobromide glass samples were prepared by melt *** mid-infrared(MIR)luminescence of the Nd^(3+)/Yb^(3+)co-doped fluorobromide glass was investigated by Br-doping reduces the phonon state density of the *** 3.9μm MIR luminescence of the samples excited at 793 and 980 nm pump excitation was investigated in *** is an effective mutual energy transfer process between Nd^(3+)and Yb^(3+).It is proved under 793 nm excitation that the luminescence of Nd^(3+)at 3.9μm is reduced by effective energy transfer from,Nd^(3+):2 H11/2→Yb^(3+):2 F5/2,At the same time,it is proved that the effective energy transfer from Yb^(3+):2 F5/2→Nd^(3+):2 H11/2 under the excitation of 980 nm enhances the luminescence of Nd^(3+)at 3.9μ*** addition,it is found that the samples still have good infrared(IR)luminescent properties when the temperature *** emission cross-sectional area and the absorption cross-sectional area areσem(3.87×10^(-20)cm^(2))andσabs(4.25×10^(-20)cm^(2)).The fluorescence decay characteristics of the sample at 3.9μm at the 2 H11/2 level were investigated and the fluorescence lifetime was *** gain performance of the sample was calculated and analyzed,which can reach 4.25×10^(-20)cm^(2).Those results prove that Nd^(3+)/Yb^(3+)co-doped fluorobromide glass is the potential mid-infrared laser gain material.