Luminescent properties of Yb3+-doped hexagonal Ln3BWO9 (Ln = Gd, Y)

被引：0
|
作者：
V. A. Krut’ko
A. V. Popov
Yu. K. Voronko
N. N. Chudinova
机构：
[1] Russian Academy of Sciences,Kurnakov Institute of General and Inorganic Chemistry
[2] Russian Academy of Sciences,Prokhorov General Physics Institute
来源：
Inorganic Materials | 2010年 / 46卷
关键词：
Luminescent Property; Emission Cross Section; Luminescence Line; Luminescence Decay Kinetic; CaGd;
D O I：
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学科分类号：
摘要：
We report the synthesis and spectroscopic characterization of polycrystalline Yb3+-doped (1, 2, and 5 at %) Ln3BWO9 (Ln = Gd and Y) borotungstates as candidate gain media for diode-pumped near-IR and visible solid-state lasers. Unpolarized luminescence and absorption spectra for the Yb3+2F7/2→2F5/2 transition are measured at T = 77 and 300 K, the lifetime of the 2F5/2 excited state is determined, and the emission cross section of the stimulated Yb3+2F5/2→2F7/2 transition in these compounds is evaluated. Offering a combination of nonlinear optical and lasing properties, the Ln3BWO9 (Ln = Gd, Y) hexagonal borotung-states can be used as bifunctional media for diode-pumped lasers with nonlinear laser frequency self-conversion.
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页码：900 / 905
页数：5
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