J4 ›› 2017, Vol. 34 ›› Issue (3): 257-263.

• 光谱 •    下一篇

Er3+(10%):碲酸盐玻璃的近红外量子剪裁发光

陈晓波1,李崧1,胡丽丽2,耿珠峰1,赵国营3,王科志1,郑东1,于春雷4,陶京富1,林伟1,杨国建5,郭平1   

  1. 1北京师范大学物理系,应用光学北京市重点实验室,北京 100875; 2中国科学院上海光机所,上海 201800; 3上海应用技术学院材料科学与技术系,上海 200235; 4 北京师范大学化学院,北京 100875; 5北京师范大学信息科学与技术学院,北京 100875
  • 收稿日期:2016-05-03 修回日期:2016-05-29 出版日期:2017-05-28 发布日期:2017-05-22
  • 通讯作者: 陈晓波(1963-), 福建福州人, 博士,教授, 主要从事光学方面的研究。 E-mail:chen78xb@sina.com
  • 基金资助:
    Supported by National Natural Science Foundation of China (国家自然科学基金, 51472028), Significant Project of Fundamental Research Funds for Central Universities of China(中央高校基本科研业务费专项资金重大项目, 212-105560GK)

Near-infrared quantum cutting luminescence of Er3+ (10%): tellurium glass

  1. 1 Beijing Key Laboratory of Applied Optics,Department of Physics, Beijing Normal University, Beijing 100875, China; 2Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Science, Shanghai, 201800, China 3School of Materials Science and Technology, Shanghai Institute of Technology, Shanghai, 200235, China 4College of Chemistry, Beijing Normal University, Beijing, 100875, China 5Information Science and Technology College, Beijing Normal University, Beijing, 100875, China
  • Received:2016-05-03 Revised:2016-05-29 Published:2017-05-28 Online:2017-05-22

摘要: 测量了掺Er3+碲酸盐玻璃从紫外、可见到近红外的发光与激发光谱以及荧光寿命,发现1532 nm红外光与550 nm可见光的激发谱在波峰形状与峰值波长方面很相近;当Er3+离子浓度从0.5%增加到10%,可见的发光与激发光谱强度减小,红外的发光与激发光谱强度增强;寿命曲线展现出显著的能量传递现象。研究结果表明所观察到的现象为近红外量子剪裁发光现象; 4I9/2、4F9/2、4S3/2与2H11/2能级的双光子、双光子、三光子、三光子近红外量子剪裁效率上限值依次为193.8%、184.8%、277.9%与272.6%。

关键词: 光谱学;发光强度增强;近红外量子剪裁;能量传递;Er3+离子;碲酸盐玻璃

Abstract: The luminescence and excitation spectra from ultra-violet, visible to infrared and fluorescence lifetime of Er3+ doped tellurium glass are measured. It is found that the excitation spectra of 1532 nm infrared light and 550 nm visible light are very similar in peak shape peak wavelength. When the concentration of Er3+ ions increases from 0.5% to 10%, the visible luminescence and excitation spectra intensity decrease, and those in infrared enhance. The lifetime curve exhibits obvious energy transfer phenomena. Results show that the observed phenomenon is near-infrared quantum cutting luminescence. The up-limits of near-infrared quantum cutting efficiency of two-photons, two-photons, three-photons, three-photons corresponding to 4I9/2, 4F9/2, 4S3/2, 2H11/2 states are respectively 193.8%, 184.8%, 277.9% , 272.6%.

Key words: spectroscopy; luminescence intensity enhancement; near-infrared quantum cutting; energy transfer; Er3+ ion; tellurium glass

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