Conversion of red light into green light in LiTaO3:Ho

被引：13
|
作者：
Ryba-Romanowski, W [1 ]
Deren, PJ [1 ]
Golab, S [1 ]
Dominiak-Dzik, G [1 ]
机构：
[1] Polish Acad Sci, Inst Low Temp & Struct Res, PL-50950 Wroclaw 2, Poland
来源：
JOURNAL OF APPLIED PHYSICS | 2000年 / 88卷 / 10期
关键词：
D O I：
10.1063/1.1286065
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Intense green luminescence associated with the S-5(2)-I-5(8) transition of Ho3+ in holmium doped LiTaO3 crystals has been excited at room temperature and at 15 K by a 647.1 nm line of a krypton ion laser. Based upon the analysis of excited states relaxation dynamics and of the rise of upconverted luminescence it is concluded that the mechanism involved is an excited state absorption from the long lived I-5(7) level. Efficient single wavelength excitation of upconverted luminescence in LiTaO3:Ho is due to the advantageous coincidence of transition energies of the ground and excited state absorptions. (C) 2000 American Institute of Physics. [S0021-8979(00)2413-0].
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收藏
页码：6078 / 6080
页数：3
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