Investigation on the visible emission properties of Tm: Y2O3 transparent ceramic

被引：0
|
作者：
Yi, Qing [1 ,3 ]
Zhou, Shengming [1 ]
Tsuboi, Taiju [2 ]
Lin, Hui [1 ]
Teng, Hao [1 ]
机构：
[1] Chinese Acad Sci, Shanghai Inst Opt & Fine Mech, Key Lab Mat High Power Laser, POB 800-211, Shanghai 201800, Peoples R China
[2] Kyoto Sangyo Univ, Fac Engn, Kyoto 6038555, Japan
[3] Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China
来源：
PACIFIC RIM LASER DAMAGE 2011: OPTICAL MATERIALS FOR HIGH POWER LASERS | 2012年 / 8206卷
基金：
中国国家自然科学基金;
关键词：
transparent ceramic; emitting ceramic; Tm-doped Yttria; LED packaging; SINGLE-CRYSTALS; SPECTRAL PROPERTIES; HO3+ IONS; GROWTH; YB3+; PR3+;
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
With the purpose of investigation on the visible emission properties of Tm3+ ions, a Tm3+-doped Y2O3 transparent ceramic was fabricated by sintering at 1800 degrees C for 20 hour with a vacuum degree of 1x10(-3) Pa. 3 at% ZrO2 was introduced as the sintering aid and the average grain size was measured to be 22 mu m. The optical transmittance of the ceramic achieved 76.3 % at 1 mu m. The PL spectra at room temperature and low temperature were measured under 361 nm excitation. The similar to 453 nm emission bands were observed and the luminescence mechanisms were discussed. It was found that the Tm: Y2O3 transparent ceramic have the potential to be used in white LED packaging structure.
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页数：11
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