Highly efficient up-conversion in Nd:Y2O3 transparent ceramics

被引：6

作者：

Zhang, Lei ^{[1
,2
,3
]}

Yang, Jun ^{[4
]}

Yu, Hongyu ^{[5
]}

Pan, Wei ^{[3
]}

机构：

[1] Southern Univ Sci & Technol, Acad Adv Interdisciplinary Studies, Shenzhen 518055, Peoples R China

[2] Southern Univ Sci & Technol, Sch Microelect, Shenzhen 518055, Peoples R China

[3] Tsinghua Univ, Sch Mat Sci & Engn, State Key Lab New Ceram & Fine Proc, Beijing 100084, Peoples R China

[4] Army Engn Univ PLA, Dept Gen Educ, Nanjing 211101, Peoples R China

[5] Southern Univ Sci & Technol, Sch Microelect, GaN Device Engn Technol Res Ctr Guangdong, Shenzhen 518055, Peoples R China

来源：

SCRIPTA MATERIALIA | 2020年 / 178卷

基金：

中国国家自然科学基金;

关键词：

Optical materials; Transparent ceramics; Up-conversion luminescence; Nd:Y2O3; NEAR-INFRARED EMISSION; INTENSITIES; ABSORPTION;

D O I：

10.1016/j.scriptamat.2019.11.048

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Up-conversion (UC) luminescence properties of Nd:Y2O3 transparent ceramics are investigated. It is shown that, under a laser excitation of 808 nm, the samples exhibit significant UC emission. With an increase in the Nd3+ concentration, the intensity of green emission decreases, while the intensity of red emission first increases and then decreases. In particular, both green and red UC emissions are found to be two-photon processes, but with different quantum transition mechanisms. In addition, the dependence of UC emission intensity on the pumping power is studied. Our studies indicate that Nd:Y2O3 transparent ceramics are promising candidates as short-wavelength UC laser material. (C) 2019 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.

引用

页码：281 / 284

页数：4

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