The up-conversion processes in Ho3+ doped LiTaO3

被引：7
|
作者：
Sokólska, I
Kück, S
Dominiak-Dzik, G
Baba, M
机构：
[1] Polish Acad Sci, W Trzebiatowski Inst Low Temp & Struct Res, PL-50950 Wroclaw, Poland
[2] Univ Hamburg, Inst Laser Phys, D-20355 Hamburg, Germany
[3] Iwate Univ, Fac Engn, Morioka, Iwate 0208551, Japan
来源：
JOURNAL OF ALLOYS AND COMPOUNDS | 2001年 / 323卷
关键词：
Ho3+; lithium tantalate; excited state absorption; up-conversion; insulators; optical properties; luminescence;
D O I：
10.1016/S0925-8388(01)01030-1
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
The up-conversion processes in Ho3+ doped lithium tantalate were investigated under continuous wave excitation into the F-5(5), I-5(4) or I-5(5) multiplets and with the energy due to the I-5(6)--> S-5(2) transition, which is not resonant with the ground state absorption. The most intense green emission originating from the S-5(2) multiplet is observed after excitation into the F-5(5) and I-5(4) multiplets. The excited state absorption spectrum, emission spectra, dependencies of emission intensity on the excitation power as well as possible mechanisms of excitation are presented. (C) 2001 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：273 / 278
页数：6
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