掺铥石英玻璃的制备与光谱性能研究  

Study on Preparation and Spectral Properties of Tm^(3+)-doped Silica Glass

作　　者：孟庆瑶 秦亦亭 许诺 沈骁[1] MENG Qing-yao;QIN Yi-ting;XU Nuo;SHEN Xiao(College of Electronic and Optical Engineering&College of Flexible Electronics(Future Technology),Nanjing University of Posts and Telecommunications,Jiangsu Nanjing 210023,China)

机构地区：[1]南京邮电大学电子与光学工程学院,柔性电子(未来技术)学院,江苏南京210023

出　　处：《广州化工》2024年第16期26-28,55,共4页GuangZhou Chemical Industry

基　　金：国家自然科学基金面上项目(No:62075099);江苏省大学生创新计划训练项目(No:2022)。

摘　　要：2.0μm波段激光在军事、遥感、医疗等领域具有重要应用价值。文章以95SiO_(2)-4.5Al_(2)O_(3)-0.5Tm_(2)O_(3)为配方,通过将溶胶凝胶法和高温熔融法,成功制备了掺铥石英玻璃样品,并测试了样品的物理及光谱性能,计算了相关参数指标。玻璃的密度为2.307 g/cm^(3),1900 nm处的折射率为1.4415,铥离子掺杂浓度为3.60×10^(-19)cm^(-3),794 nm处的吸收截面为1.747×10^(-19)cm^(2),2.0μm处的透过率为85.5%,1850 nm处的发射截面为6.07×10^(-20)cm^(2),荧光寿命为370μs,羟基含量为1.57×10^(18)cm^(-3),光谱性能良好,相关方法及结果为掺杂石英玻璃的制备提供了技术路线。2.0μm-band lasers have important application value in military,remote sensing,medical and other fields.Tm^(3+)-doped silica glass samples were successfully prepared by sol-gel and high-temperature melting methods with 95SiO_(2)-4.5Al_(2)O_(3)-0.5Tm^(2)O_(3)as the formula.The physical and spectral properties of the glass samples were tested and relevant parameters were calculated.The density of glass was 2.307 g/cm,refractive index at 1900 nm was 1.4415,thulium ion doping concentration was 3.60×10^(-19)cm^(-3),absorption cross-section at 794 nm was 1.747×10^(-19)cm^(2),transmittance at 2.0μm was 85.5%,emission cross-section at 1850 nm was 6.07×10^(-20)cm^(2),fluorescence lifetime was 370μs,and hydroxyl content was 1.57×10^(18)cm^(-3).The related methods and results provided a technology roadmap for the preparation of doped silica glass.

关 键 词：光纤激光器 掺铥石英玻璃 溶胶凝胶法 光谱性能 

分 类 号：O613.72[理学—无机化学]